Talos Rules 2016-11-22
This release adds and modifies rules in several categories.

Talos has added and modified multiple rules in the blacklist, browser-ie, browser-plugins, exploit-kit, file-flash, file-other, file-pdf, indicator-compromise, malware-cnc, os-windows, protocol-icmp, pua-adware and server-webapp rule sets to provide coverage for emerging threats from these technologies.

Change logs

2016-11-22 17:12:56 UTC

Snort Subscriber Rules Update

Date: 2016-11-22

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2976.

The format of the file is:

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

New Rules:


 * 1:40826 <-> ENABLED <-> FILE-PDF Adobe Reader JavaScript recursive calls memory corruption  attempt (file-pdf.rules)
 * 1:40818 <-> DISABLED <-> FILE-FLASH Adobe Flash Player TextField text use after free attempt (file-flash.rules)
 * 1:40817 <-> DISABLED <-> SERVER-WEBAPP Symantec Web Gateway new_whitelist.php command injection attempt (server-webapp.rules)
 * 1:40811 <-> DISABLED <-> SERVER-OTHER NTP origin timestamp denial of service attempt (server-other.rules)
 * 1:40812 <-> ENABLED <-> MALWARE-CNC Rtf.Trojan.Mauris outbound download attempt (malware-cnc.rules)
 * 1:40814 <-> ENABLED <-> BROWSER-PLUGINS Microsoft Silverlight GetChar out of bounds read attempt (browser-plugins.rules)
 * 1:40815 <-> DISABLED <-> SERVER-WEBAPP Netgear ReadyNAS Surveillance cgi_system administrator password reset attempt (server-webapp.rules)
 * 1:40816 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Locky variant outbound connection attempt (malware-cnc.rules)
 * 1:40827 <-> DISABLED <-> PUA-ADWARE MindSpark framework installer attempt (pua-adware.rules)
 * 1:40828 <-> DISABLED <-> INDICATOR-COMPROMISE Malicious script redirect attempt (indicator-compromise.rules)
 * 1:40819 <-> DISABLED <-> FILE-FLASH Adobe Flash Player TextField text use after free attempt (file-flash.rules)
 * 1:40823 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Gendwndrop variant outbound connection (malware-cnc.rules)
 * 1:40824 <-> ENABLED <-> MALWARE-CNC Logbro variant outbound connection (malware-cnc.rules)
 * 1:40825 <-> ENABLED <-> FILE-PDF Adobe Reader JavaScript recursive calls memory corruption attempt (file-pdf.rules)
 * 1:40813 <-> ENABLED <-> BROWSER-PLUGINS Microsoft Silverlight GetChar out of bounds read attempt (browser-plugins.rules)
 * 3:40820 <-> ENABLED <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-CAN-0239 attack attempt (server-webapp.rules)
 * 3:40821 <-> ENABLED <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-CAN-0241 attack attempt (server-webapp.rules)
 * 3:40822 <-> ENABLED <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-CAN-0241 attack attempt (server-webapp.rules)

Modified Rules:


 * 1:38842 <-> ENABLED <-> BROWSER-IE Microsoft Internet Explorer VBScript toString redim array use after free attempt (browser-ie.rules)
 * 1:38841 <-> ENABLED <-> BROWSER-IE Microsoft Internet Explorer VBScript toString redim array use after free attempt (browser-ie.rules)
 * 1:39681 <-> ENABLED <-> BROWSER-IE Microsoft Internet Explorer VBScript toString redim array use after free attempt (browser-ie.rules)
 * 1:402 <-> DISABLED <-> PROTOCOL-ICMP destination unreachable port unreachable packet detected (protocol-icmp.rules)
 * 1:40223 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Injector external connection attempt (malware-cnc.rules)
 * 1:24792 <-> ENABLED <-> BLACKLIST User-Agent known malicious user-agent - Google page (blacklist.rules)
 * 1:21080 <-> DISABLED <-> BROWSER-PLUGINS Microsoft Windows Scripting Host Shell ActiveX function call access (browser-plugins.rules)
 * 1:40753 <-> ENABLED <-> EXPLOIT-KIT Rig exploit kit outbound communication (exploit-kit.rules)
 * 1:19176 <-> DISABLED <-> SERVER-WEBAPP cookiejacking attempt (server-webapp.rules)
 * 1:19678 <-> DISABLED <-> SERVER-OTHER multiple products blacknurse ICMP denial of service attempt (server-other.rules)
 * 1:40385 <-> ENABLED <-> BROWSER-IE Microsoft Internet Explorer vbscript variable type confusion attempt (browser-ie.rules)
 * 1:19177 <-> DISABLED <-> SERVER-WEBAPP cookiejacking attempt (server-webapp.rules)
 * 1:40386 <-> ENABLED <-> BROWSER-IE Microsoft Internet Explorer vbscript variable type confusion attempt (browser-ie.rules)
 * 1:39680 <-> ENABLED <-> BROWSER-IE Microsoft Internet Explorer VBScript toString redim array use after free attempt (browser-ie.rules)
 * 1:39402 <-> ENABLED <-> FILE-OTHER Symantec Antivirus ALPkOldFormatDecompressor out of bounds read attempt (file-other.rules)
 * 1:39403 <-> ENABLED <-> FILE-OTHER Symantec Antivirus ALPkOldFormatDecompressor out of bounds read attempt (file-other.rules)
 * 1:24015 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Magania variant outbound connection (malware-cnc.rules)
 * 3:33053 <-> ENABLED <-> OS-WINDOWS Microsoft RADIUS Server invalid access-request username denial of service attempt (os-windows.rules)
 * 3:40803 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-CAN-0179 attack attempt (file-other.rules)
 * 3:40804 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-CAN-0179 attack attempt (file-other.rules)

2016-11-22 17:12:56 UTC

Snort Subscriber Rules Update

Date: 2016-11-22

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:


 * 1:40828 <-> DISABLED <-> INDICATOR-COMPROMISE Malicious script redirect attempt (indicator-compromise.rules)
 * 1:40827 <-> DISABLED <-> PUA-ADWARE MindSpark framework installer attempt (pua-adware.rules)
 * 1:40826 <-> ENABLED <-> FILE-PDF Adobe Reader JavaScript recursive calls memory corruption  attempt (file-pdf.rules)
 * 1:40825 <-> ENABLED <-> FILE-PDF Adobe Reader JavaScript recursive calls memory corruption attempt (file-pdf.rules)
 * 1:40824 <-> ENABLED <-> MALWARE-CNC Logbro variant outbound connection (malware-cnc.rules)
 * 1:40823 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Gendwndrop variant outbound connection (malware-cnc.rules)
 * 1:40819 <-> DISABLED <-> FILE-FLASH Adobe Flash Player TextField text use after free attempt (file-flash.rules)
 * 1:40818 <-> DISABLED <-> FILE-FLASH Adobe Flash Player TextField text use after free attempt (file-flash.rules)
 * 1:40817 <-> DISABLED <-> SERVER-WEBAPP Symantec Web Gateway new_whitelist.php command injection attempt (server-webapp.rules)
 * 1:40816 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Locky variant outbound connection attempt (malware-cnc.rules)
 * 1:40815 <-> DISABLED <-> SERVER-WEBAPP Netgear ReadyNAS Surveillance cgi_system administrator password reset attempt (server-webapp.rules)
 * 1:40814 <-> ENABLED <-> BROWSER-PLUGINS Microsoft Silverlight GetChar out of bounds read attempt (browser-plugins.rules)
 * 1:40813 <-> ENABLED <-> BROWSER-PLUGINS Microsoft Silverlight GetChar out of bounds read attempt (browser-plugins.rules)
 * 1:40812 <-> ENABLED <-> MALWARE-CNC Rtf.Trojan.Mauris outbound download attempt (malware-cnc.rules)
 * 1:40811 <-> DISABLED <-> SERVER-OTHER NTP origin timestamp denial of service attempt (server-other.rules)
 * 3:40820 <-> ENABLED <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-CAN-0239 attack attempt (server-webapp.rules)
 * 3:40821 <-> ENABLED <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-CAN-0241 attack attempt (server-webapp.rules)
 * 3:40822 <-> ENABLED <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-CAN-0241 attack attempt (server-webapp.rules)

Modified Rules:


 * 1:39402 <-> ENABLED <-> FILE-OTHER Symantec Antivirus ALPkOldFormatDecompressor out of bounds read attempt (file-other.rules)
 * 1:24792 <-> ENABLED <-> BLACKLIST User-Agent known malicious user-agent - Google page (blacklist.rules)
 * 1:21080 <-> DISABLED <-> BROWSER-PLUGINS Microsoft Windows Scripting Host Shell ActiveX function call access (browser-plugins.rules)
 * 1:24015 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Magania variant outbound connection (malware-cnc.rules)
 * 1:19177 <-> DISABLED <-> SERVER-WEBAPP cookiejacking attempt (server-webapp.rules)
 * 1:40753 <-> ENABLED <-> EXPLOIT-KIT Rig exploit kit outbound communication (exploit-kit.rules)
 * 1:40386 <-> ENABLED <-> BROWSER-IE Microsoft Internet Explorer vbscript variable type confusion attempt (browser-ie.rules)
 * 1:19176 <-> DISABLED <-> SERVER-WEBAPP cookiejacking attempt (server-webapp.rules)
 * 1:40385 <-> ENABLED <-> BROWSER-IE Microsoft Internet Explorer vbscript variable type confusion attempt (browser-ie.rules)
 * 1:19678 <-> DISABLED <-> SERVER-OTHER multiple products blacknurse ICMP denial of service attempt (server-other.rules)
 * 1:38841 <-> ENABLED <-> BROWSER-IE Microsoft Internet Explorer VBScript toString redim array use after free attempt (browser-ie.rules)
 * 1:38842 <-> ENABLED <-> BROWSER-IE Microsoft Internet Explorer VBScript toString redim array use after free attempt (browser-ie.rules)
 * 1:40223 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Injector external connection attempt (malware-cnc.rules)
 * 1:402 <-> DISABLED <-> PROTOCOL-ICMP destination unreachable port unreachable packet detected (protocol-icmp.rules)
 * 1:39681 <-> ENABLED <-> BROWSER-IE Microsoft Internet Explorer VBScript toString redim array use after free attempt (browser-ie.rules)
 * 1:39680 <-> ENABLED <-> BROWSER-IE Microsoft Internet Explorer VBScript toString redim array use after free attempt (browser-ie.rules)
 * 1:39403 <-> ENABLED <-> FILE-OTHER Symantec Antivirus ALPkOldFormatDecompressor out of bounds read attempt (file-other.rules)
 * 3:33053 <-> ENABLED <-> OS-WINDOWS Microsoft RADIUS Server invalid access-request username denial of service attempt (os-windows.rules)
 * 3:40803 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-CAN-0179 attack attempt (file-other.rules)
 * 3:40804 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-CAN-0179 attack attempt (file-other.rules)