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.

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

Change logs

2983

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)

2990

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)

29110

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)