Talos Rules 2017-06-15
This release adds and modifies rules in several categories.

Talos has added and modified multiple rules in the browser-plugins, exploit-kit, file-flash, file-office, file-other, malware-cnc, os-solaris, protocol-rpc and server-webapp rule sets to provide coverage for emerging threats from these technologies.

Change logs

2017-06-15 19:36:11 UTC

Snort Subscriber Rules Update

Date: 2017-06-15

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:


 * 1:43178 <-> DISABLED <-> SERVER-WEBAPP VICIdial user_authorization command injection attempt (server-webapp.rules)
 * 1:43184 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Matsnu variant outbound conection (malware-cnc.rules)
 * 1:43181 <-> ENABLED <-> FILE-OTHER Oniguruma expression parser out of bounds write attempt (file-other.rules)
 * 1:43180 <-> ENABLED <-> FILE-OFFICE Powerpoint mouseover powershell malware download attempt (file-office.rules)
 * 1:43182 <-> ENABLED <-> FILE-OTHER Oniguruma expression parser out of bounds write attempt (file-other.rules)
 * 1:43183 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Matsnu variant outbound conection (malware-cnc.rules)
 * 1:43186 <-> DISABLED <-> BROWSER-PLUGINS Advantech WebAccess ActiveX clsid access attempt (browser-plugins.rules)
 * 1:43187 <-> DISABLED <-> EXPLOIT-KIT Rig Exploit Kit URL outbound communication (exploit-kit.rules)
 * 1:43185 <-> DISABLED <-> BROWSER-PLUGINS Advantech WebAccess ActiveX clsid access attempt (browser-plugins.rules)
 * 1:43188 <-> DISABLED <-> PROTOCOL-RPC Linux kernel NFSv2 malformed WRITE arbitrary memory read attempt (protocol-rpc.rules)
 * 1:43189 <-> DISABLED <-> PROTOCOL-RPC Linux kernel NFSv3 malformed WRITE arbitrary memory read attempt (protocol-rpc.rules)
 * 1:43190 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Konus variant outbound connection detected (malware-cnc.rules)
 * 1:43179 <-> ENABLED <-> FILE-OFFICE Powerpoint mouseover powershell malware download attempt (file-office.rules)
 * 1:43194 <-> ENABLED <-> MALWARE-CNC Win.Trojan.HiddenCobra variant outbound connection (malware-cnc.rules)
 * 1:43193 <-> ENABLED <-> MALWARE-CNC Win.Trojan.HiddenCobra variant outbound connection (malware-cnc.rules)
 * 1:43191 <-> DISABLED <-> SERVER-WEBAPP Symantec Messaging Gateway performBackupNow.do command injection attempt (server-webapp.rules)
 * 3:43192 <-> ENABLED <-> SERVER-OTHER TRUFFLEHUNTER TALOS-2017-0364 attack attempt (server-other.rules)

Modified Rules:


 * 1:41510 <-> DISABLED <-> SERVER-OTHER Pharos PopUp Printer Client DecodeBinary heap buffer overflow attempt (server-other.rules)
 * 1:42226 <-> DISABLED <-> OS-SOLARIS Solaris RPC XDR overflow code execution attempt (os-solaris.rules)
 * 1:40755 <-> DISABLED <-> FILE-FLASH Adobe Flash EnableDebugger2 obfuscation attempt (file-flash.rules)
 * 1:41039 <-> DISABLED <-> SERVER-WEBAPP Trend Micro InterScan WSA wmi_domain_controllers command injection attempt (server-webapp.rules)
 * 1:41037 <-> DISABLED <-> SERVER-WEBAPP Trend Micro InterScan WSA domains command injection attempt (server-webapp.rules)
 * 1:41509 <-> DISABLED <-> SERVER-OTHER Pharos PopUp Printer Client DecodeBinary heap buffer overflow attempt (server-other.rules)

2017-06-15 19:36:11 UTC

Snort Subscriber Rules Update

Date: 2017-06-15

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2990.

The format of the file is:

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

New Rules:


 * 1:43194 <-> ENABLED <-> MALWARE-CNC Win.Trojan.HiddenCobra variant outbound connection (malware-cnc.rules)
 * 1:43193 <-> ENABLED <-> MALWARE-CNC Win.Trojan.HiddenCobra variant outbound connection (malware-cnc.rules)
 * 1:43191 <-> DISABLED <-> SERVER-WEBAPP Symantec Messaging Gateway performBackupNow.do command injection attempt (server-webapp.rules)
 * 1:43190 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Konus variant outbound connection detected (malware-cnc.rules)
 * 1:43189 <-> DISABLED <-> PROTOCOL-RPC Linux kernel NFSv3 malformed WRITE arbitrary memory read attempt (protocol-rpc.rules)
 * 1:43188 <-> DISABLED <-> PROTOCOL-RPC Linux kernel NFSv2 malformed WRITE arbitrary memory read attempt (protocol-rpc.rules)
 * 1:43187 <-> DISABLED <-> EXPLOIT-KIT Rig Exploit Kit URL outbound communication (exploit-kit.rules)
 * 1:43186 <-> DISABLED <-> BROWSER-PLUGINS Advantech WebAccess ActiveX clsid access attempt (browser-plugins.rules)
 * 1:43185 <-> DISABLED <-> BROWSER-PLUGINS Advantech WebAccess ActiveX clsid access attempt (browser-plugins.rules)
 * 1:43184 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Matsnu variant outbound conection (malware-cnc.rules)
 * 1:43183 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Matsnu variant outbound conection (malware-cnc.rules)
 * 1:43182 <-> ENABLED <-> FILE-OTHER Oniguruma expression parser out of bounds write attempt (file-other.rules)
 * 1:43181 <-> ENABLED <-> FILE-OTHER Oniguruma expression parser out of bounds write attempt (file-other.rules)
 * 1:43180 <-> ENABLED <-> FILE-OFFICE Powerpoint mouseover powershell malware download attempt (file-office.rules)
 * 1:43179 <-> ENABLED <-> FILE-OFFICE Powerpoint mouseover powershell malware download attempt (file-office.rules)
 * 1:43178 <-> DISABLED <-> SERVER-WEBAPP VICIdial user_authorization command injection attempt (server-webapp.rules)
 * 3:43192 <-> ENABLED <-> SERVER-OTHER TRUFFLEHUNTER TALOS-2017-0364 attack attempt (server-other.rules)

Modified Rules:


 * 1:40755 <-> DISABLED <-> FILE-FLASH Adobe Flash EnableDebugger2 obfuscation attempt (file-flash.rules)
 * 1:41037 <-> DISABLED <-> SERVER-WEBAPP Trend Micro InterScan WSA domains command injection attempt (server-webapp.rules)
 * 1:41039 <-> DISABLED <-> SERVER-WEBAPP Trend Micro InterScan WSA wmi_domain_controllers command injection attempt (server-webapp.rules)
 * 1:41510 <-> DISABLED <-> SERVER-OTHER Pharos PopUp Printer Client DecodeBinary heap buffer overflow attempt (server-other.rules)
 * 1:42226 <-> DISABLED <-> OS-SOLARIS Solaris RPC XDR overflow code execution attempt (os-solaris.rules)
 * 1:41509 <-> DISABLED <-> SERVER-OTHER Pharos PopUp Printer Client DecodeBinary heap buffer overflow attempt (server-other.rules)