Talos Rules 2016-10-06
This release adds and modifies rules in several categories.

Talos has added and modified multiple rules in the browser-ie, exploit-kit, file-pdf, malware-cnc, protocol-dns and server-webapp rule sets to provide coverage for emerging threats from these technologies.

Change logs

2016-10-06 15:01:26 UTC

Snort Subscriber Rules Update

Date: 2016-10-06

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:


 * 1:40340 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Cry variant outbound connection (malware-cnc.rules)
 * 1:40341 <-> DISABLED <-> SERVER-WEBAPP FreePBX Hotelwakeup Module ajax.php PHP code injection attempt (server-webapp.rules)
 * 1:40338 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Bartallex outbound connection detected (malware-cnc.rules)
 * 1:40339 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Cry variant outbound connection (malware-cnc.rules)
 * 1:40344 <-> ENABLED <-> PROTOCOL-DNS ISC BIND isc__buffer_add assertion failure denial of service attempt (protocol-dns.rules)
 * 1:40342 <-> DISABLED <-> SERVER-WEBAPP FreePBX Hotelwakeup Module ajax.php directory traversal attempt (server-webapp.rules)
 * 3:40337 <-> ENABLED <-> FILE-PDF TRUFFLEHUNTER TALOS-CAN-0200 attack attempt (file-pdf.rules)
 * 3:40287 <-> ENABLED <-> SERVER-OTHER Cisco prime collaboration provisioning web framework access control bypass attempt (server-other.rules)
 * 3:40336 <-> ENABLED <-> FILE-PDF TRUFFLEHUNTER TALOS-CAN-0200 attack attempt (file-pdf.rules)
 * 3:40343 <-> ENABLED <-> SERVER-OTHER Cisco NX-OS malformed BGP UPDATE denial of service attempt (server-other.rules)

Modified Rules:


 * 1:36923 <-> ENABLED <-> BROWSER-IE Microsoft Internet Explorer VBScript engine use after free attempt (browser-ie.rules)
 * 1:36922 <-> ENABLED <-> BROWSER-IE Microsoft Internet Explorer VBScript engine use after free attempt (browser-ie.rules)
 * 1:40149 <-> ENABLED <-> BROWSER-IE Microsoft Internet Explorer MSXML IDispatch use after free attempt (browser-ie.rules)
 * 1:40150 <-> ENABLED <-> BROWSER-IE Microsoft Internet Explorer MSXML IDispatch use after free attempt (browser-ie.rules)
 * 1:33906 <-> ENABLED <-> EXPLOIT-KIT Rig exploit kit outbound communication (exploit-kit.rules)
 * 3:37414 <-> ENABLED <-> SERVER-OTHER Cisco NX-OS zero length DHCP VPN suboption denial of service attempt (server-other.rules)
 * 3:37426 <-> ENABLED <-> SERVER-OTHER Cisco NX-OS DHCP option parsing denial of service attempt (server-other.rules)

2016-10-06 15:01:26 UTC

Snort Subscriber Rules Update

Date: 2016-10-06

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:


 * 1:40344 <-> ENABLED <-> PROTOCOL-DNS ISC BIND isc__buffer_add assertion failure denial of service attempt (protocol-dns.rules)
 * 1:40342 <-> DISABLED <-> SERVER-WEBAPP FreePBX Hotelwakeup Module ajax.php directory traversal attempt (server-webapp.rules)
 * 1:40341 <-> DISABLED <-> SERVER-WEBAPP FreePBX Hotelwakeup Module ajax.php PHP code injection attempt (server-webapp.rules)
 * 1:40340 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Cry variant outbound connection (malware-cnc.rules)
 * 1:40339 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Cry variant outbound connection (malware-cnc.rules)
 * 1:40338 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Bartallex outbound connection detected (malware-cnc.rules)
 * 3:40337 <-> ENABLED <-> FILE-PDF TRUFFLEHUNTER TALOS-CAN-0200 attack attempt (file-pdf.rules)
 * 3:40287 <-> ENABLED <-> SERVER-OTHER Cisco prime collaboration provisioning web framework access control bypass attempt (server-other.rules)
 * 3:40336 <-> ENABLED <-> FILE-PDF TRUFFLEHUNTER TALOS-CAN-0200 attack attempt (file-pdf.rules)
 * 3:40343 <-> ENABLED <-> SERVER-OTHER Cisco NX-OS malformed BGP UPDATE denial of service attempt (server-other.rules)

Modified Rules:


 * 1:36922 <-> ENABLED <-> BROWSER-IE Microsoft Internet Explorer VBScript engine use after free attempt (browser-ie.rules)
 * 1:36923 <-> ENABLED <-> BROWSER-IE Microsoft Internet Explorer VBScript engine use after free attempt (browser-ie.rules)
 * 1:40150 <-> ENABLED <-> BROWSER-IE Microsoft Internet Explorer MSXML IDispatch use after free attempt (browser-ie.rules)
 * 1:40149 <-> ENABLED <-> BROWSER-IE Microsoft Internet Explorer MSXML IDispatch use after free attempt (browser-ie.rules)
 * 1:33906 <-> ENABLED <-> EXPLOIT-KIT Rig exploit kit outbound communication (exploit-kit.rules)
 * 3:37426 <-> ENABLED <-> SERVER-OTHER Cisco NX-OS DHCP option parsing denial of service attempt (server-other.rules)
 * 3:37414 <-> ENABLED <-> SERVER-OTHER Cisco NX-OS zero length DHCP VPN suboption denial of service attempt (server-other.rules)