Snort - Network Intrusion Detection & Prevention System

Talos Rules 2021-04-29

This release adds and modifies rules in several categories.

Talos has added and modified multiple rules in the browser-ie, file-other and server-webapp rule sets to provide coverage for emerging threats from these technologies.

For information about Snort Subscriber Rulesets available for purchase, please visit the Snort product page.

Change logs

29171

2021-04-29 17:52:56 UTC

Snort Subscriber Rules Update

Date: 2021-04-29

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:


 * 1:57481 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57482 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57483 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57484 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer CSS .ipsum layout use-after-free attempt (browser-ie.rules)
 * 1:57485 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer CSS .ipsum layout use-after-free attempt (browser-ie.rules)
 * 1:57487 <-> DISABLED <-> SERVER-WEBAPP Microsoft Exchange MeetingHandler remote code execution attempt (server-webapp.rules)
 * 3:57486 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD Web Service buffer overflow attempt (server-webapp.rules)
 * 3:57488 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD WebVPN denial of service attempt (server-webapp.rules)
 * 3:57489 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD WebVPN denial of service attempt (server-webapp.rules)

Modified Rules:


 * 1:43297 <-> DISABLED <-> SERVER-OTHER Cisco IOS HTTP percent sign denial of service attempt (server-other.rules)
 * 1:16004 <-> DISABLED <-> FILE-OTHER Apple Mac OS X installer package filename format string vulnerability (file-other.rules)
 * 1:32753 <-> DISABLED <-> SERVER-WEBAPP FreePBX Framework Asterisk recording interface PHP unserialize code execution attempt (server-webapp.rules)

29170

2021-04-29 17:52:56 UTC

Snort Subscriber Rules Update

Date: 2021-04-29

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:


 * 1:57481 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57483 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57485 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer CSS .ipsum layout use-after-free attempt (browser-ie.rules)
 * 1:57482 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57487 <-> DISABLED <-> SERVER-WEBAPP Microsoft Exchange MeetingHandler remote code execution attempt (server-webapp.rules)
 * 1:57484 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer CSS .ipsum layout use-after-free attempt (browser-ie.rules)
 * 3:57486 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD Web Service buffer overflow attempt (server-webapp.rules)
 * 3:57488 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD WebVPN denial of service attempt (server-webapp.rules)
 * 3:57489 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD WebVPN denial of service attempt (server-webapp.rules)

Modified Rules:


 * 1:16004 <-> DISABLED <-> FILE-OTHER Apple Mac OS X installer package filename format string vulnerability (file-other.rules)
 * 1:32753 <-> DISABLED <-> SERVER-WEBAPP FreePBX Framework Asterisk recording interface PHP unserialize code execution attempt (server-webapp.rules)
 * 1:43297 <-> DISABLED <-> SERVER-OTHER Cisco IOS HTTP percent sign denial of service attempt (server-other.rules)

29161

2021-04-29 17:52:56 UTC

Snort Subscriber Rules Update

Date: 2021-04-29

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:


 * 1:57483 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57481 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57487 <-> DISABLED <-> SERVER-WEBAPP Microsoft Exchange MeetingHandler remote code execution attempt (server-webapp.rules)
 * 1:57485 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer CSS .ipsum layout use-after-free attempt (browser-ie.rules)
 * 1:57482 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57484 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer CSS .ipsum layout use-after-free attempt (browser-ie.rules)
 * 3:57486 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD Web Service buffer overflow attempt (server-webapp.rules)
 * 3:57489 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD WebVPN denial of service attempt (server-webapp.rules)
 * 3:57488 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD WebVPN denial of service attempt (server-webapp.rules)

Modified Rules:


 * 1:32753 <-> DISABLED <-> SERVER-WEBAPP FreePBX Framework Asterisk recording interface PHP unserialize code execution attempt (server-webapp.rules)
 * 1:16004 <-> DISABLED <-> FILE-OTHER Apple Mac OS X installer package filename format string vulnerability (file-other.rules)
 * 1:43297 <-> DISABLED <-> SERVER-OTHER Cisco IOS HTTP percent sign denial of service attempt (server-other.rules)

29160

2021-04-29 17:52:56 UTC

Snort Subscriber Rules Update

Date: 2021-04-29

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:


 * 1:57484 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer CSS .ipsum layout use-after-free attempt (browser-ie.rules)
 * 1:57487 <-> DISABLED <-> SERVER-WEBAPP Microsoft Exchange MeetingHandler remote code execution attempt (server-webapp.rules)
 * 1:57482 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57485 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer CSS .ipsum layout use-after-free attempt (browser-ie.rules)
 * 1:57481 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57483 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 3:57486 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD Web Service buffer overflow attempt (server-webapp.rules)
 * 3:57488 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD WebVPN denial of service attempt (server-webapp.rules)
 * 3:57489 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD WebVPN denial of service attempt (server-webapp.rules)

Modified Rules:


 * 1:43297 <-> DISABLED <-> SERVER-OTHER Cisco IOS HTTP percent sign denial of service attempt (server-other.rules)
 * 1:16004 <-> DISABLED <-> FILE-OTHER Apple Mac OS X installer package filename format string vulnerability (file-other.rules)
 * 1:32753 <-> DISABLED <-> SERVER-WEBAPP FreePBX Framework Asterisk recording interface PHP unserialize code execution attempt (server-webapp.rules)

29151

2021-04-29 17:52:56 UTC

Snort Subscriber Rules Update

Date: 2021-04-29

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:


 * 1:57481 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57483 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57487 <-> DISABLED <-> SERVER-WEBAPP Microsoft Exchange MeetingHandler remote code execution attempt (server-webapp.rules)
 * 1:57482 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57484 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer CSS .ipsum layout use-after-free attempt (browser-ie.rules)
 * 1:57485 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer CSS .ipsum layout use-after-free attempt (browser-ie.rules)
 * 3:57486 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD Web Service buffer overflow attempt (server-webapp.rules)
 * 3:57488 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD WebVPN denial of service attempt (server-webapp.rules)
 * 3:57489 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD WebVPN denial of service attempt (server-webapp.rules)

Modified Rules:


 * 1:43297 <-> DISABLED <-> SERVER-OTHER Cisco IOS HTTP percent sign denial of service attempt (server-other.rules)
 * 1:32753 <-> DISABLED <-> SERVER-WEBAPP FreePBX Framework Asterisk recording interface PHP unserialize code execution attempt (server-webapp.rules)
 * 1:16004 <-> DISABLED <-> FILE-OTHER Apple Mac OS X installer package filename format string vulnerability (file-other.rules)

29150

2021-04-29 17:52:56 UTC

Snort Subscriber Rules Update

Date: 2021-04-29

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091500.

The format of the file is:

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

New Rules:


 * 1:57481 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57482 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57483 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57484 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer CSS .ipsum layout use-after-free attempt (browser-ie.rules)
 * 1:57485 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer CSS .ipsum layout use-after-free attempt (browser-ie.rules)
 * 1:57487 <-> DISABLED <-> SERVER-WEBAPP Microsoft Exchange MeetingHandler remote code execution attempt (server-webapp.rules)
 * 3:57486 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD Web Service buffer overflow attempt (server-webapp.rules)
 * 3:57489 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD WebVPN denial of service attempt (server-webapp.rules)
 * 3:57488 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD WebVPN denial of service attempt (server-webapp.rules)

Modified Rules:


 * 1:16004 <-> DISABLED <-> FILE-OTHER Apple Mac OS X installer package filename format string vulnerability (file-other.rules)
 * 1:43297 <-> DISABLED <-> SERVER-OTHER Cisco IOS HTTP percent sign denial of service attempt (server-other.rules)
 * 1:32753 <-> DISABLED <-> SERVER-WEBAPP FreePBX Framework Asterisk recording interface PHP unserialize code execution attempt (server-webapp.rules)

29141

2021-04-29 17:52:56 UTC

Snort Subscriber Rules Update

Date: 2021-04-29

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:


 * 1:57485 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer CSS .ipsum layout use-after-free attempt (browser-ie.rules)
 * 1:57481 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57487 <-> DISABLED <-> SERVER-WEBAPP Microsoft Exchange MeetingHandler remote code execution attempt (server-webapp.rules)
 * 1:57482 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57484 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer CSS .ipsum layout use-after-free attempt (browser-ie.rules)
 * 1:57483 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 3:57486 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD Web Service buffer overflow attempt (server-webapp.rules)
 * 3:57488 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD WebVPN denial of service attempt (server-webapp.rules)
 * 3:57489 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD WebVPN denial of service attempt (server-webapp.rules)

Modified Rules:


 * 1:16004 <-> DISABLED <-> FILE-OTHER Apple Mac OS X installer package filename format string vulnerability (file-other.rules)
 * 1:43297 <-> DISABLED <-> SERVER-OTHER Cisco IOS HTTP percent sign denial of service attempt (server-other.rules)
 * 1:32753 <-> DISABLED <-> SERVER-WEBAPP FreePBX Framework Asterisk recording interface PHP unserialize code execution attempt (server-webapp.rules)

29130

2021-04-29 17:52:56 UTC

Snort Subscriber Rules Update

Date: 2021-04-29

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:


 * 1:57482 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57483 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57487 <-> DISABLED <-> SERVER-WEBAPP Microsoft Exchange MeetingHandler remote code execution attempt (server-webapp.rules)
 * 1:57484 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer CSS .ipsum layout use-after-free attempt (browser-ie.rules)
 * 1:57485 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer CSS .ipsum layout use-after-free attempt (browser-ie.rules)
 * 1:57481 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 3:57486 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD Web Service buffer overflow attempt (server-webapp.rules)
 * 3:57488 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD WebVPN denial of service attempt (server-webapp.rules)
 * 3:57489 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD WebVPN denial of service attempt (server-webapp.rules)

Modified Rules:


 * 1:43297 <-> DISABLED <-> SERVER-OTHER Cisco IOS HTTP percent sign denial of service attempt (server-other.rules)
 * 1:16004 <-> DISABLED <-> FILE-OTHER Apple Mac OS X installer package filename format string vulnerability (file-other.rules)
 * 1:32753 <-> DISABLED <-> SERVER-WEBAPP FreePBX Framework Asterisk recording interface PHP unserialize code execution attempt (server-webapp.rules)

29111

2021-04-29 17:52:56 UTC

Snort Subscriber Rules Update

Date: 2021-04-29

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:


 * 1:57481 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57482 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57484 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer CSS .ipsum layout use-after-free attempt (browser-ie.rules)
 * 1:57487 <-> DISABLED <-> SERVER-WEBAPP Microsoft Exchange MeetingHandler remote code execution attempt (server-webapp.rules)
 * 1:57485 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer CSS .ipsum layout use-after-free attempt (browser-ie.rules)
 * 1:57483 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 3:57486 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD Web Service buffer overflow attempt (server-webapp.rules)
 * 3:57488 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD WebVPN denial of service attempt (server-webapp.rules)
 * 3:57489 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD WebVPN denial of service attempt (server-webapp.rules)

Modified Rules:


 * 1:16004 <-> DISABLED <-> FILE-OTHER Apple Mac OS X installer package filename format string vulnerability (file-other.rules)
 * 1:43297 <-> DISABLED <-> SERVER-OTHER Cisco IOS HTTP percent sign denial of service attempt (server-other.rules)
 * 1:32753 <-> DISABLED <-> SERVER-WEBAPP FreePBX Framework Asterisk recording interface PHP unserialize code execution attempt (server-webapp.rules)

3000

2021-04-29 17:52:56 UTC

Snort Subscriber Rules Update

Date: 2021-04-29

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:


 * 1:57484 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer CSS .ipsum layout use-after-free attempt (snort3-browser-ie.rules)
 * 1:57483 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (snort3-server-webapp.rules)
 * 1:57482 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (snort3-server-webapp.rules)
 * 1:57485 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer CSS .ipsum layout use-after-free attempt (snort3-browser-ie.rules)
 * 1:57487 <-> DISABLED <-> SERVER-WEBAPP Microsoft Exchange MeetingHandler remote code execution attempt (snort3-server-webapp.rules)
 * 1:57481 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (snort3-server-webapp.rules)

Modified Rules:


 * 1:43297 <-> DISABLED <-> SERVER-OTHER Cisco IOS HTTP percent sign denial of service attempt (snort3-server-other.rules)
 * 1:16004 <-> DISABLED <-> FILE-OTHER Apple Mac OS X installer package filename format string vulnerability (snort3-file-other.rules)
 * 1:32753 <-> DISABLED <-> SERVER-WEBAPP FreePBX Framework Asterisk recording interface PHP unserialize code execution attempt (snort3-server-webapp.rules)

2983

2021-04-29 17:52:56 UTC

Snort Subscriber Rules Update

Date: 2021-04-29

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:


 * 1:57482 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57487 <-> DISABLED <-> SERVER-WEBAPP Microsoft Exchange MeetingHandler remote code execution attempt (server-webapp.rules)
 * 1:57484 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer CSS .ipsum layout use-after-free attempt (browser-ie.rules)
 * 1:57481 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 1:57485 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer CSS .ipsum layout use-after-free attempt (browser-ie.rules)
 * 1:57483 <-> DISABLED <-> SERVER-WEBAPP ManageEngine OpManager directory traversal attempt (server-webapp.rules)
 * 3:57489 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD WebVPN denial of service attempt (server-webapp.rules)
 * 3:57486 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD Web Service buffer overflow attempt (server-webapp.rules)
 * 3:57488 <-> ENABLED <-> SERVER-WEBAPP Cisco ASA and FTD WebVPN denial of service attempt (server-webapp.rules)

Modified Rules:


 * 1:16004 <-> DISABLED <-> FILE-OTHER Apple Mac OS X installer package filename format string vulnerability (file-other.rules)
 * 1:32753 <-> DISABLED <-> SERVER-WEBAPP FreePBX Framework Asterisk recording interface PHP unserialize code execution attempt (server-webapp.rules)
 * 1:43297 <-> DISABLED <-> SERVER-OTHER Cisco IOS HTTP percent sign denial of service attempt (server-other.rules)