Talos Rules 2021-09-09
This release adds and modifies rules in several categories.

Today Talos is releasing coverage to detect exploitation attempts of Microsoft Office ActiveX control abuse, designated under CVE-2021-40444. Coverage is being released as SIDs 58120-58129 and native Snort 3 SID 300049. Talos may release additional coverage in the future as the situation develops and new guidance is created.

Talos has added and modified multiple rules in the file-office, malware-cnc, os-windows and server-webapp rule sets to provide coverage for emerging threats from these technologies.

Change logs

2021-09-09 13:10:38 UTC

Snort Subscriber Rules Update

Date: 2021-09-09

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091801.

The format of the file is:

gid:sid <-> Default rule state <-> Message (rule group)

New Rules:


 * 1:58111 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (server-webapp.rules)
 * 1:58112 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (server-webapp.rules)
 * 1:58113 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint machinekey information disclosure attempt (server-webapp.rules)
 * 1:58114 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (os-windows.rules)
 * 1:58115 <-> ENABLED <-> MALWARE-CNC Win.Trojan.AveMaria variant outbound connection (malware-cnc.rules)
 * 1:58116 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (malware-cnc.rules)
 * 1:58117 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (malware-cnc.rules)
 * 1:58118 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (malware-cnc.rules)
 * 1:58119 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (malware-cnc.rules)
 * 1:58120 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58121 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58122 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58123 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58124 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58125 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58126 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58127 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58128 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58129 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 3:58110 <-> ENABLED <-> POLICY-OTHER Cisco BroadWorks administrator account modification detected (policy-other.rules)

Modified Rules:


 * 1:57965 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (os-windows.rules)
 * 1:57966 <-> ENABLED <-> OS-WINDOWS Microsoft Windows NTLM relay attack attempt (os-windows.rules)

2021-09-09 13:10:38 UTC

Snort Subscriber Rules Update

Date: 2021-09-09

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091800.

The format of the file is:

gid:sid <-> Default rule state <-> Message (rule group)

New Rules:


 * 1:58124 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58123 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58129 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58113 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint machinekey information disclosure attempt (server-webapp.rules)
 * 1:58128 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58127 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58126 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58125 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58112 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (server-webapp.rules)
 * 1:58111 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (server-webapp.rules)
 * 1:58115 <-> ENABLED <-> MALWARE-CNC Win.Trojan.AveMaria variant outbound connection (malware-cnc.rules)
 * 1:58114 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (os-windows.rules)
 * 1:58117 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (malware-cnc.rules)
 * 1:58116 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (malware-cnc.rules)
 * 1:58119 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (malware-cnc.rules)
 * 1:58118 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (malware-cnc.rules)
 * 1:58121 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58120 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58122 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 3:58110 <-> ENABLED <-> POLICY-OTHER Cisco BroadWorks administrator account modification detected (policy-other.rules)

Modified Rules:


 * 1:57965 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (os-windows.rules)
 * 1:57966 <-> ENABLED <-> OS-WINDOWS Microsoft Windows NTLM relay attack attempt (os-windows.rules)

2021-09-09 13:10:38 UTC

Snort Subscriber Rules Update

Date: 2021-09-09

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091701.

The format of the file is:

gid:sid <-> Default rule state <-> Message (rule group)

New Rules:


 * 1:58125 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58111 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (server-webapp.rules)
 * 1:58124 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58126 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58127 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58129 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58112 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (server-webapp.rules)
 * 1:58113 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint machinekey information disclosure attempt (server-webapp.rules)
 * 1:58114 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (os-windows.rules)
 * 1:58115 <-> ENABLED <-> MALWARE-CNC Win.Trojan.AveMaria variant outbound connection (malware-cnc.rules)
 * 1:58116 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (malware-cnc.rules)
 * 1:58117 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (malware-cnc.rules)
 * 1:58118 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (malware-cnc.rules)
 * 1:58119 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (malware-cnc.rules)
 * 1:58120 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58121 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58122 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58128 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58123 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 3:58110 <-> ENABLED <-> POLICY-OTHER Cisco BroadWorks administrator account modification detected (policy-other.rules)

Modified Rules:


 * 1:57965 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (os-windows.rules)
 * 1:57966 <-> ENABLED <-> OS-WINDOWS Microsoft Windows NTLM relay attack attempt (os-windows.rules)

2021-09-09 13:10:38 UTC

Snort Subscriber Rules Update

Date: 2021-09-09

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091700.

The format of the file is:

gid:sid <-> Default rule state <-> Message (rule group)

New Rules:


 * 1:58111 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (server-webapp.rules)
 * 1:58128 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58113 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint machinekey information disclosure attempt (server-webapp.rules)
 * 1:58114 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (os-windows.rules)
 * 1:58129 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58118 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (malware-cnc.rules)
 * 1:58124 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58112 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (server-webapp.rules)
 * 1:58117 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (malware-cnc.rules)
 * 1:58116 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (malware-cnc.rules)
 * 1:58120 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58119 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (malware-cnc.rules)
 * 1:58122 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58121 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58123 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58115 <-> ENABLED <-> MALWARE-CNC Win.Trojan.AveMaria variant outbound connection (malware-cnc.rules)
 * 1:58125 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58126 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58127 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 3:58110 <-> ENABLED <-> POLICY-OTHER Cisco BroadWorks administrator account modification detected (policy-other.rules)

Modified Rules:


 * 1:57965 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (os-windows.rules)
 * 1:57966 <-> ENABLED <-> OS-WINDOWS Microsoft Windows NTLM relay attack attempt (os-windows.rules)

2021-09-09 13:10:38 UTC

Snort Subscriber Rules Update

Date: 2021-09-09

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091601.

The format of the file is:

gid:sid <-> Default rule state <-> Message (rule group)

New Rules:


 * 1:58125 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58124 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58112 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (server-webapp.rules)
 * 1:58122 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58127 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58126 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58123 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58128 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58115 <-> ENABLED <-> MALWARE-CNC Win.Trojan.AveMaria variant outbound connection (malware-cnc.rules)
 * 1:58111 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (server-webapp.rules)
 * 1:58116 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (malware-cnc.rules)
 * 1:58117 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (malware-cnc.rules)
 * 1:58114 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (os-windows.rules)
 * 1:58113 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint machinekey information disclosure attempt (server-webapp.rules)
 * 1:58118 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (malware-cnc.rules)
 * 1:58121 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58119 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (malware-cnc.rules)
 * 1:58120 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58129 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 3:58110 <-> ENABLED <-> POLICY-OTHER Cisco BroadWorks administrator account modification detected (policy-other.rules)

Modified Rules:


 * 1:57965 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (os-windows.rules)
 * 1:57966 <-> ENABLED <-> OS-WINDOWS Microsoft Windows NTLM relay attack attempt (os-windows.rules)

2021-09-09 13:10:38 UTC

Snort Subscriber Rules Update

Date: 2021-09-09

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091600.

The format of the file is:

gid:sid <-> Default rule state <-> Message (rule group)

New Rules:


 * 1:58123 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58122 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58111 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (server-webapp.rules)
 * 1:58112 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (server-webapp.rules)
 * 1:58126 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58125 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58128 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58127 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58116 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (malware-cnc.rules)
 * 1:58114 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (os-windows.rules)
 * 1:58113 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint machinekey information disclosure attempt (server-webapp.rules)
 * 1:58117 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (malware-cnc.rules)
 * 1:58129 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58115 <-> ENABLED <-> MALWARE-CNC Win.Trojan.AveMaria variant outbound connection (malware-cnc.rules)
 * 1:58120 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58118 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (malware-cnc.rules)
 * 1:58121 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58119 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (malware-cnc.rules)
 * 1:58124 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 3:58110 <-> ENABLED <-> POLICY-OTHER Cisco BroadWorks administrator account modification detected (policy-other.rules)

Modified Rules:


 * 1:57966 <-> ENABLED <-> OS-WINDOWS Microsoft Windows NTLM relay attack attempt (os-windows.rules)
 * 1:57965 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (os-windows.rules)

2021-09-09 13:10:38 UTC

Snort Subscriber Rules Update

Date: 2021-09-09

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091501.

The format of the file is:

gid:sid <-> Default rule state <-> Message (rule group)

New Rules:


 * 1:58128 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58114 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (os-windows.rules)
 * 1:58111 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (server-webapp.rules)
 * 1:58127 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58112 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (server-webapp.rules)
 * 1:58117 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (malware-cnc.rules)
 * 1:58118 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (malware-cnc.rules)
 * 1:58126 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58119 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (malware-cnc.rules)
 * 1:58129 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58120 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58116 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (malware-cnc.rules)
 * 1:58121 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58113 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint machinekey information disclosure attempt (server-webapp.rules)
 * 1:58115 <-> ENABLED <-> MALWARE-CNC Win.Trojan.AveMaria variant outbound connection (malware-cnc.rules)
 * 1:58122 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58123 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58124 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58125 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 3:58110 <-> ENABLED <-> POLICY-OTHER Cisco BroadWorks administrator account modification detected (policy-other.rules)

Modified Rules:


 * 1:57966 <-> ENABLED <-> OS-WINDOWS Microsoft Windows NTLM relay attack attempt (os-windows.rules)
 * 1:57965 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (os-windows.rules)

2021-09-09 13:10:38 UTC

Snort Subscriber Rules Update

Date: 2021-09-09

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091401.

The format of the file is:

gid:sid <-> Default rule state <-> Message (rule group)

New Rules:


 * 1:58111 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (server-webapp.rules)
 * 1:58125 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58113 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint machinekey information disclosure attempt (server-webapp.rules)
 * 1:58128 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58127 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58124 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58123 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58112 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (server-webapp.rules)
 * 1:58129 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58114 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (os-windows.rules)
 * 1:58115 <-> ENABLED <-> MALWARE-CNC Win.Trojan.AveMaria variant outbound connection (malware-cnc.rules)
 * 1:58126 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58116 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (malware-cnc.rules)
 * 1:58117 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (malware-cnc.rules)
 * 1:58118 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (malware-cnc.rules)
 * 1:58119 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (malware-cnc.rules)
 * 1:58120 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58121 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58122 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 3:58110 <-> ENABLED <-> POLICY-OTHER Cisco BroadWorks administrator account modification detected (policy-other.rules)

Modified Rules:


 * 1:57965 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (os-windows.rules)
 * 1:57966 <-> ENABLED <-> OS-WINDOWS Microsoft Windows NTLM relay attack attempt (os-windows.rules)

2021-09-09 13:10:38 UTC

Snort Subscriber Rules Update

Date: 2021-09-09

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091300.

The format of the file is:

gid:sid <-> Default rule state <-> Message (rule group)

New Rules:


 * 1:58111 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (server-webapp.rules)
 * 1:58129 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58128 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58124 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58119 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (malware-cnc.rules)
 * 1:58121 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58127 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58116 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (malware-cnc.rules)
 * 1:58125 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58120 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58114 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (os-windows.rules)
 * 1:58115 <-> ENABLED <-> MALWARE-CNC Win.Trojan.AveMaria variant outbound connection (malware-cnc.rules)
 * 1:58117 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (malware-cnc.rules)
 * 1:58122 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58118 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (malware-cnc.rules)
 * 1:58123 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58126 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58112 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (server-webapp.rules)
 * 1:58113 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint machinekey information disclosure attempt (server-webapp.rules)
 * 3:58110 <-> ENABLED <-> POLICY-OTHER Cisco BroadWorks administrator account modification detected (policy-other.rules)

Modified Rules:


 * 1:57965 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (os-windows.rules)
 * 1:57966 <-> ENABLED <-> OS-WINDOWS Microsoft Windows NTLM relay attack attempt (os-windows.rules)

2021-09-09 13:10:38 UTC

Snort Subscriber Rules Update

Date: 2021-09-09

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091101.

The format of the file is:

gid:sid <-> Default rule state <-> Message (rule group)

New Rules:


 * 1:58129 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58112 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (server-webapp.rules)
 * 1:58123 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58127 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58121 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58126 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58115 <-> ENABLED <-> MALWARE-CNC Win.Trojan.AveMaria variant outbound connection (malware-cnc.rules)
 * 1:58111 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (server-webapp.rules)
 * 1:58122 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58118 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (malware-cnc.rules)
 * 1:58125 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58128 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58116 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (malware-cnc.rules)
 * 1:58119 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (malware-cnc.rules)
 * 1:58114 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (os-windows.rules)
 * 1:58117 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (malware-cnc.rules)
 * 1:58120 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58124 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58113 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint machinekey information disclosure attempt (server-webapp.rules)
 * 3:58110 <-> ENABLED <-> POLICY-OTHER Cisco BroadWorks administrator account modification detected (policy-other.rules)

Modified Rules:


 * 1:57965 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (os-windows.rules)
 * 1:57966 <-> ENABLED <-> OS-WINDOWS Microsoft Windows NTLM relay attack attempt (os-windows.rules)

2021-09-09 13:10:38 UTC

Snort Subscriber Rules Update

Date: 2021-09-09

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3000.

The format of the file is:

gid:sid <-> Default rule state <-> Message (rule group)

New Rules:


 * 1:58113 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint machinekey information disclosure attempt (snort3-server-webapp.rules)
 * 1:58126 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (snort3-file-office.rules)
 * 1:58127 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (snort3-file-office.rules)
 * 1:58115 <-> ENABLED <-> MALWARE-CNC Win.Trojan.AveMaria variant outbound connection (snort3-malware-cnc.rules)
 * 1:58129 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (snort3-file-office.rules)
 * 1:58116 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (snort3-malware-cnc.rules)
 * 1:58117 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (snort3-malware-cnc.rules)
 * 1:58118 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (snort3-malware-cnc.rules)
 * 1:58119 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (snort3-malware-cnc.rules)
 * 1:58120 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (snort3-file-office.rules)
 * 1:58112 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (snort3-server-webapp.rules)
 * 1:58125 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (snort3-file-office.rules)
 * 1:58128 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (snort3-file-office.rules)
 * 1:58121 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (snort3-file-office.rules)
 * 1:58111 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (snort3-server-webapp.rules)
 * 1:58114 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (snort3-os-windows.rules)
 * 1:58122 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (snort3-file-office.rules)
 * 1:58123 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (snort3-file-office.rules)
 * 1:58124 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (snort3-file-office.rules)

Modified Rules:


 * 1:57966 <-> ENABLED <-> OS-WINDOWS Microsoft Windows NTLM relay attack attempt (snort3-os-windows.rules)
 * 1:57965 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (snort3-os-windows.rules)

2021-09-09 13:10:38 UTC

Snort Subscriber Rules Update

Date: 2021-09-09

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2983.

The format of the file is:

gid:sid <-> Default rule state <-> Message (rule group)

New Rules:


 * 1:58123 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58115 <-> ENABLED <-> MALWARE-CNC Win.Trojan.AveMaria variant outbound connection (malware-cnc.rules)
 * 1:58112 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (server-webapp.rules)
 * 1:58124 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58121 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58127 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58122 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58128 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58117 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (malware-cnc.rules)
 * 1:58129 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58118 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (malware-cnc.rules)
 * 1:58111 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt (server-webapp.rules)
 * 1:58126 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58116 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection (malware-cnc.rules)
 * 1:58120 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58125 <-> ENABLED <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt (file-office.rules)
 * 1:58119 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection (malware-cnc.rules)
 * 1:58114 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (os-windows.rules)
 * 1:58113 <-> DISABLED <-> SERVER-WEBAPP Microsoft SharePoint machinekey information disclosure attempt (server-webapp.rules)

Modified Rules:


 * 1:57965 <-> ENABLED <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected (os-windows.rules)
 * 1:57966 <-> ENABLED <-> OS-WINDOWS Microsoft Windows NTLM relay attack attempt (os-windows.rules)

2021-09-09 13:12:55 UTC

Snort Subscriber Rules Update

Date: 2021-09-09-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.0.3.1.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:300049 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 3:58110 <-> POLICY-OTHER Cisco BroadWorks administrator account modification detected
* 1:58111 <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt
* 1:58112 <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt
* 1:58113 <-> SERVER-WEBAPP Microsoft SharePoint machinekey information disclosure attempt
* 1:58114 <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected
* 1:58115 <-> MALWARE-CNC Win.Trojan.AveMaria variant outbound connection
* 1:58116 <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection
* 1:58117 <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection
* 1:58118 <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection
* 1:58119 <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection
* 1:58120 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58121 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58122 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58123 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58124 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58125 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58126 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58127 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58128 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58129 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt

Modified Rules:

* 1:57965 <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected
* 1:57966 <-> OS-WINDOWS Microsoft Windows NTLM relay attack attempt


2021-09-09 13:12:55 UTC

Snort Subscriber Rules Update

Date: 2021-09-09-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.0.3.4.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:300049 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 3:58110 <-> POLICY-OTHER Cisco BroadWorks administrator account modification detected
* 1:58111 <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt
* 1:58112 <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt
* 1:58113 <-> SERVER-WEBAPP Microsoft SharePoint machinekey information disclosure attempt
* 1:58114 <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected
* 1:58115 <-> MALWARE-CNC Win.Trojan.AveMaria variant outbound connection
* 1:58116 <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection
* 1:58117 <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection
* 1:58118 <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection
* 1:58119 <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection
* 1:58120 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58121 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58122 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58123 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58124 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58125 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58126 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58127 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58128 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58129 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt

Modified Rules:

* 1:57965 <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected
* 1:57966 <-> OS-WINDOWS Microsoft Windows NTLM relay attack attempt


2021-09-09 13:12:55 UTC

Snort Subscriber Rules Update

Date: 2021-09-09-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.1.0.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:300049 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 3:58110 <-> POLICY-OTHER Cisco BroadWorks administrator account modification detected
* 1:58111 <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt
* 1:58112 <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt
* 1:58113 <-> SERVER-WEBAPP Microsoft SharePoint machinekey information disclosure attempt
* 1:58114 <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected
* 1:58115 <-> MALWARE-CNC Win.Trojan.AveMaria variant outbound connection
* 1:58116 <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection
* 1:58117 <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection
* 1:58118 <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection
* 1:58119 <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection
* 1:58120 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58121 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58122 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58123 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58124 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58125 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58126 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58127 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58128 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58129 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt

Modified Rules:

* 1:57965 <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected
* 1:57966 <-> OS-WINDOWS Microsoft Windows NTLM relay attack attempt


2021-09-09 13:12:55 UTC

Snort Subscriber Rules Update

Date: 2021-09-09-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.1.0.1.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:300049 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 3:58110 <-> POLICY-OTHER Cisco BroadWorks administrator account modification detected
* 1:58111 <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt
* 1:58112 <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt
* 1:58113 <-> SERVER-WEBAPP Microsoft SharePoint machinekey information disclosure attempt
* 1:58114 <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected
* 1:58115 <-> MALWARE-CNC Win.Trojan.AveMaria variant outbound connection
* 1:58116 <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection
* 1:58117 <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection
* 1:58118 <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection
* 1:58119 <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection
* 1:58120 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58121 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58122 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58123 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58124 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58125 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58126 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58127 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58128 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58129 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt

Modified Rules:

* 1:57965 <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected
* 1:57966 <-> OS-WINDOWS Microsoft Windows NTLM relay attack attempt


2021-09-09 13:12:55 UTC

Snort Subscriber Rules Update

Date: 2021-09-09-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.1.1.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:300049 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 3:58110 <-> POLICY-OTHER Cisco BroadWorks administrator account modification detected
* 1:58111 <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt
* 1:58112 <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt
* 1:58113 <-> SERVER-WEBAPP Microsoft SharePoint machinekey information disclosure attempt
* 1:58114 <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected
* 1:58115 <-> MALWARE-CNC Win.Trojan.AveMaria variant outbound connection
* 1:58116 <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection
* 1:58117 <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection
* 1:58118 <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection
* 1:58119 <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection
* 1:58120 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58121 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58122 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58123 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58124 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58125 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58126 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58127 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58128 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58129 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt

Modified Rules:

* 1:57965 <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected
* 1:57966 <-> OS-WINDOWS Microsoft Windows NTLM relay attack attempt


2021-09-09 13:12:55 UTC

Snort Subscriber Rules Update

Date: 2021-09-09-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.1.3.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:300049 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 3:58110 <-> POLICY-OTHER Cisco BroadWorks administrator account modification detected
* 1:58111 <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt
* 1:58112 <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt
* 1:58113 <-> SERVER-WEBAPP Microsoft SharePoint machinekey information disclosure attempt
* 1:58114 <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected
* 1:58115 <-> MALWARE-CNC Win.Trojan.AveMaria variant outbound connection
* 1:58116 <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection
* 1:58117 <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection
* 1:58118 <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection
* 1:58119 <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection
* 1:58120 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58121 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58122 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58123 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58124 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58125 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58126 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58127 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58128 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58129 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt

Modified Rules:

* 1:57965 <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected
* 1:57966 <-> OS-WINDOWS Microsoft Windows NTLM relay attack attempt


2021-09-09 13:12:55 UTC

Snort Subscriber Rules Update

Date: 2021-09-09-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.1.4.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:300049 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 3:58110 <-> POLICY-OTHER Cisco BroadWorks administrator account modification detected
* 1:58111 <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt
* 1:58112 <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt
* 1:58113 <-> SERVER-WEBAPP Microsoft SharePoint machinekey information disclosure attempt
* 1:58114 <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected
* 1:58115 <-> MALWARE-CNC Win.Trojan.AveMaria variant outbound connection
* 1:58116 <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection
* 1:58117 <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection
* 1:58118 <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection
* 1:58119 <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection
* 1:58120 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58121 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58122 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58123 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58124 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58125 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58126 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58127 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58128 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58129 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt

Modified Rules:

* 1:57965 <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected
* 1:57966 <-> OS-WINDOWS Microsoft Windows NTLM relay attack attempt


2021-09-09 13:12:55 UTC

Snort Subscriber Rules Update

Date: 2021-09-09-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.1.5.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:300049 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 3:58110 <-> POLICY-OTHER Cisco BroadWorks administrator account modification detected
* 1:58111 <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt
* 1:58112 <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt
* 1:58113 <-> SERVER-WEBAPP Microsoft SharePoint machinekey information disclosure attempt
* 1:58114 <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected
* 1:58115 <-> MALWARE-CNC Win.Trojan.AveMaria variant outbound connection
* 1:58116 <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection
* 1:58117 <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection
* 1:58118 <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection
* 1:58119 <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection
* 1:58120 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58121 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58122 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58123 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58124 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58125 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58126 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58127 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58128 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58129 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt

Modified Rules:

* 1:57965 <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected
* 1:57966 <-> OS-WINDOWS Microsoft Windows NTLM relay attack attempt


2021-09-09 13:12:55 UTC

Snort Subscriber Rules Update

Date: 2021-09-09-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.1.7.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:300049 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 3:58110 <-> POLICY-OTHER Cisco BroadWorks administrator account modification detected
* 1:58111 <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt
* 1:58112 <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt
* 1:58113 <-> SERVER-WEBAPP Microsoft SharePoint machinekey information disclosure attempt
* 1:58114 <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected
* 1:58115 <-> MALWARE-CNC Win.Trojan.AveMaria variant outbound connection
* 1:58116 <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection
* 1:58117 <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection
* 1:58118 <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection
* 1:58119 <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection
* 1:58120 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58121 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58122 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58123 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58124 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58125 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58126 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58127 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58128 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58129 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt

Modified Rules:

* 1:57965 <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected
* 1:57966 <-> OS-WINDOWS Microsoft Windows NTLM relay attack attempt


2021-09-09 13:12:56 UTC

Snort Subscriber Rules Update

Date: 2021-09-09-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.1.9.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:300049 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 3:58110 <-> POLICY-OTHER Cisco BroadWorks administrator account modification detected
* 1:58111 <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt
* 1:58112 <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt
* 1:58113 <-> SERVER-WEBAPP Microsoft SharePoint machinekey information disclosure attempt
* 1:58114 <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected
* 1:58115 <-> MALWARE-CNC Win.Trojan.AveMaria variant outbound connection
* 1:58116 <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection
* 1:58117 <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection
* 1:58118 <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection
* 1:58119 <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection
* 1:58120 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58121 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58122 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58123 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58124 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58125 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58126 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58127 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58128 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58129 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt

Modified Rules:

* 1:57965 <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected
* 1:57966 <-> OS-WINDOWS Microsoft Windows NTLM relay attack attempt


2021-09-09 13:12:56 UTC

Snort Subscriber Rules Update

Date: 2021-09-09-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.1.11.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:300049 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 3:58110 <-> POLICY-OTHER Cisco BroadWorks administrator account modification detected
* 1:58111 <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt
* 1:58112 <-> SERVER-WEBAPP Microsoft SharePoint remote code execution attempt
* 1:58113 <-> SERVER-WEBAPP Microsoft SharePoint machinekey information disclosure attempt
* 1:58114 <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected
* 1:58115 <-> MALWARE-CNC Win.Trojan.AveMaria variant outbound connection
* 1:58116 <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection
* 1:58117 <-> MALWARE-CNC Win.Trojan.Ursu variant outbound connection
* 1:58118 <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection
* 1:58119 <-> MALWARE-CNC Win.Dropper.Johnnie variant outbound connection
* 1:58120 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58121 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58122 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58123 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58124 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58125 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58126 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58127 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58128 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt
* 1:58129 <-> FILE-OFFICE Microsoft MSHTML ActiveX control bypass attempt

Modified Rules:

* 1:57965 <-> OS-WINDOWS Microsoft Windows EFSRPC bind detected
* 1:57966 <-> OS-WINDOWS Microsoft Windows NTLM relay attack attempt