Talos Rules 2017-10-26
This release adds and modifies rules in several categories.

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

Change logs

2017-10-26 20:46:44 UTC

Snort Subscriber Rules Update

Date: 2017-10-26

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091100.

The format of the file is:

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

New Rules:


 * 1:44666 <-> DISABLED <-> SERVER-OTHER Easy Chat Server buffer overflow attempt (server-other.rules)
 * 1:44665 <-> DISABLED <-> SERVER-OTHER Easy Chat Server buffer overflow attempt (server-other.rules)

Modified Rules:


 * 1:44651 <-> DISABLED <-> NETBIOS SMB NTLMSSP authentication brute force attempt (netbios.rules)
 * 1:44650 <-> ENABLED <-> MALWARE-OTHER Win.Ransomware.BadRabbit propagation via SMB transfer attempt (malware-other.rules)
 * 1:44649 <-> ENABLED <-> MALWARE-OTHER Win.Ransomware.BadRabbit propagation via SMB2 transfer attempt (malware-other.rules)
 * 1:44648 <-> ENABLED <-> MALWARE-OTHER Win.Ransomware.BadRabbit propagation via SMB transfer attempt (malware-other.rules)
 * 1:44647 <-> ENABLED <-> MALWARE-OTHER Win.Ransomware.BadRabbit propagation via SMB2 transfer attempt (malware-other.rules)
 * 1:44646 <-> ENABLED <-> MALWARE-OTHER Win.Ransomware.BadRabbit propagation via SVCCTL remote service attempt (malware-other.rules)
 * 1:44632 <-> DISABLED <-> SERVER-WEBAPP Wordpress content cross site scripting attempt (server-webapp.rules)
 * 1:44631 <-> DISABLED <-> SERVER-WEBAPP Wordpress plugin bbPress comment cross site scripting attempt (server-webapp.rules)
 * 1:42338 <-> ENABLED <-> OS-WINDOWS Microsoft Windows SMB large NT RENAME transaction request memory leak attempt (os-windows.rules)
 * 3:26972 <-> ENABLED <-> SERVER-OTHER CUPS IPP multi-valued attribute memory corruption attempt (server-other.rules)
 * 3:39775 <-> ENABLED <-> EXPLOIT-KIT malicious script detected via RBF classifier (exploit-kit.rules)

2017-10-26 20:46:44 UTC

Snort Subscriber Rules Update

Date: 2017-10-26

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:


 * 1:44666 <-> DISABLED <-> SERVER-OTHER Easy Chat Server buffer overflow attempt (server-other.rules)
 * 1:44665 <-> DISABLED <-> SERVER-OTHER Easy Chat Server buffer overflow attempt (server-other.rules)

Modified Rules:


 * 1:44632 <-> DISABLED <-> SERVER-WEBAPP Wordpress content cross site scripting attempt (server-webapp.rules)
 * 1:42338 <-> ENABLED <-> OS-WINDOWS Microsoft Windows SMB large NT RENAME transaction request memory leak attempt (os-windows.rules)
 * 1:44631 <-> DISABLED <-> SERVER-WEBAPP Wordpress plugin bbPress comment cross site scripting attempt (server-webapp.rules)
 * 1:44646 <-> ENABLED <-> MALWARE-OTHER Win.Ransomware.BadRabbit propagation via SVCCTL remote service attempt (malware-other.rules)
 * 1:44648 <-> ENABLED <-> MALWARE-OTHER Win.Ransomware.BadRabbit propagation via SMB transfer attempt (malware-other.rules)
 * 1:44650 <-> ENABLED <-> MALWARE-OTHER Win.Ransomware.BadRabbit propagation via SMB transfer attempt (malware-other.rules)
 * 1:44647 <-> ENABLED <-> MALWARE-OTHER Win.Ransomware.BadRabbit propagation via SMB2 transfer attempt (malware-other.rules)
 * 1:44649 <-> ENABLED <-> MALWARE-OTHER Win.Ransomware.BadRabbit propagation via SMB2 transfer attempt (malware-other.rules)
 * 1:44651 <-> DISABLED <-> NETBIOS SMB NTLMSSP authentication brute force attempt (netbios.rules)
 * 3:26972 <-> ENABLED <-> SERVER-OTHER CUPS IPP multi-valued attribute memory corruption attempt (server-other.rules)
 * 3:39775 <-> ENABLED <-> EXPLOIT-KIT malicious script detected via RBF classifier (exploit-kit.rules)

2017-10-26 20:46:44 UTC

Snort Subscriber Rules Update

Date: 2017-10-26

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:


 * 1:44666 <-> DISABLED <-> SERVER-OTHER Easy Chat Server buffer overflow attempt (server-other.rules)
 * 1:44665 <-> DISABLED <-> SERVER-OTHER Easy Chat Server buffer overflow attempt (server-other.rules)

Modified Rules:


 * 1:44651 <-> DISABLED <-> NETBIOS SMB NTLMSSP authentication brute force attempt (netbios.rules)
 * 1:44648 <-> ENABLED <-> MALWARE-OTHER Win.Ransomware.BadRabbit propagation via SMB transfer attempt (malware-other.rules)
 * 1:44631 <-> DISABLED <-> SERVER-WEBAPP Wordpress plugin bbPress comment cross site scripting attempt (server-webapp.rules)
 * 1:44646 <-> ENABLED <-> MALWARE-OTHER Win.Ransomware.BadRabbit propagation via SVCCTL remote service attempt (malware-other.rules)
 * 1:42338 <-> ENABLED <-> OS-WINDOWS Microsoft Windows SMB large NT RENAME transaction request memory leak attempt (os-windows.rules)
 * 1:44632 <-> DISABLED <-> SERVER-WEBAPP Wordpress content cross site scripting attempt (server-webapp.rules)
 * 1:44650 <-> ENABLED <-> MALWARE-OTHER Win.Ransomware.BadRabbit propagation via SMB transfer attempt (malware-other.rules)
 * 1:44647 <-> ENABLED <-> MALWARE-OTHER Win.Ransomware.BadRabbit propagation via SMB2 transfer attempt (malware-other.rules)
 * 1:44649 <-> ENABLED <-> MALWARE-OTHER Win.Ransomware.BadRabbit propagation via SMB2 transfer attempt (malware-other.rules)
 * 3:26972 <-> ENABLED <-> SERVER-OTHER CUPS IPP multi-valued attribute memory corruption attempt (server-other.rules)
 * 3:39775 <-> ENABLED <-> EXPLOIT-KIT malicious script detected via RBF classifier (exploit-kit.rules)