Talos Rules 2021-12-17
This release adds and modifies rules in several categories.

Talos is releasing updates to Snort SIDs: 58740-58742 and new Snort SIDs: 58801-58814 to address CVE-2021-44228/CVE-2021-45046, an RCE vulnerability in the Apache Log4j API.

Talos has added and modified multiple rules in the indicator-obfuscation, malware-cnc, policy-other and server-webapp rule sets to provide coverage for emerging threats from these technologies.

Change logs

2021-12-18 03:52:37 UTC

Snort Subscriber Rules Update

Date: 2021-12-17

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091900.

The format of the file is:

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

New Rules:


 * 1:58801 <-> ENABLED <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt (malware-cnc.rules)
 * 1:58811 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58812 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58813 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58814 <-> DISABLED <-> POLICY-OTHER Java User-Agent remote class download attempt (policy-other.rules)
 * 3:58802 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58803 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58804 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58806 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58805 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58808 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58809 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58810 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58807 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)

Modified Rules:


 * 1:58742 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:41714 <-> ENABLED <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt (indicator-obfuscation.rules)
 * 1:58743 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:58744 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)

2021-12-18 03:52:37 UTC

Snort Subscriber Rules Update

Date: 2021-12-17

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091801.

The format of the file is:

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

New Rules:


 * 1:58813 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58812 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58814 <-> DISABLED <-> POLICY-OTHER Java User-Agent remote class download attempt (policy-other.rules)
 * 1:58811 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58801 <-> ENABLED <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt (malware-cnc.rules)
 * 3:58802 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58803 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58806 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58804 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58808 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58809 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58807 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58810 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58805 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)

Modified Rules:


 * 1:58742 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:41714 <-> ENABLED <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt (indicator-obfuscation.rules)
 * 1:58743 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:58744 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)

2021-12-18 03:52:37 UTC

Snort Subscriber Rules Update

Date: 2021-12-17

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091701.

The format of the file is:

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

New Rules:


 * 1:58812 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58814 <-> DISABLED <-> POLICY-OTHER Java User-Agent remote class download attempt (policy-other.rules)
 * 1:58811 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58801 <-> ENABLED <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt (malware-cnc.rules)
 * 1:58813 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 3:58803 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58804 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58805 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58802 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58808 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58809 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58807 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58810 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58806 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)

Modified Rules:


 * 1:41714 <-> ENABLED <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt (indicator-obfuscation.rules)
 * 1:58744 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:58742 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:58743 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)

2021-12-18 03:52:37 UTC

Snort Subscriber Rules Update

Date: 2021-12-17

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091700.

The format of the file is:

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

New Rules:


 * 1:58814 <-> DISABLED <-> POLICY-OTHER Java User-Agent remote class download attempt (policy-other.rules)
 * 1:58801 <-> ENABLED <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt (malware-cnc.rules)
 * 1:58811 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58812 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58813 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 3:58803 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58809 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58804 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58802 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58805 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58807 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58806 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58808 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58810 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)

Modified Rules:


 * 1:58743 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:41714 <-> ENABLED <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt (indicator-obfuscation.rules)
 * 1:58742 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:58744 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)

2021-12-18 03:52:37 UTC

Snort Subscriber Rules Update

Date: 2021-12-17

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091601.

The format of the file is:

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

New Rules:


 * 1:58814 <-> DISABLED <-> POLICY-OTHER Java User-Agent remote class download attempt (policy-other.rules)
 * 1:58813 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58812 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58811 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58801 <-> ENABLED <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt (malware-cnc.rules)
 * 3:58805 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58803 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58807 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58808 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58804 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58802 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58809 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58810 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58806 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)

Modified Rules:


 * 1:58743 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:41714 <-> ENABLED <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt (indicator-obfuscation.rules)
 * 1:58742 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:58744 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)

2021-12-18 03:52:37 UTC

Snort Subscriber Rules Update

Date: 2021-12-17

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091600.

The format of the file is:

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

New Rules:


 * 1:58814 <-> DISABLED <-> POLICY-OTHER Java User-Agent remote class download attempt (policy-other.rules)
 * 1:58801 <-> ENABLED <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt (malware-cnc.rules)
 * 1:58812 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58813 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58811 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 3:58805 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58804 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58809 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58802 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58808 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58806 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58803 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58810 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58807 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)

Modified Rules:


 * 1:41714 <-> ENABLED <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt (indicator-obfuscation.rules)
 * 1:58743 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:58742 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:58744 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)

2021-12-18 03:52:37 UTC

Snort Subscriber Rules Update

Date: 2021-12-17

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091501.

The format of the file is:

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

New Rules:


 * 1:58814 <-> DISABLED <-> POLICY-OTHER Java User-Agent remote class download attempt (policy-other.rules)
 * 1:58811 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58813 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58801 <-> ENABLED <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt (malware-cnc.rules)
 * 1:58812 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 3:58802 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58803 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58806 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58805 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58810 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58804 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58807 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58808 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58809 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)

Modified Rules:


 * 1:58743 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:41714 <-> ENABLED <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt (indicator-obfuscation.rules)
 * 1:58744 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:58742 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)

2021-12-18 03:52:37 UTC

Snort Subscriber Rules Update

Date: 2021-12-17

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091401.

The format of the file is:

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

New Rules:


 * 1:58811 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58814 <-> DISABLED <-> POLICY-OTHER Java User-Agent remote class download attempt (policy-other.rules)
 * 1:58813 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58801 <-> ENABLED <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt (malware-cnc.rules)
 * 1:58812 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 3:58810 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58803 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58804 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58809 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58802 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58808 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58805 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58807 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58806 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)

Modified Rules:


 * 1:58742 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:41714 <-> ENABLED <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt (indicator-obfuscation.rules)
 * 1:58743 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:58744 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)

2021-12-18 03:52:37 UTC

Snort Subscriber Rules Update

Date: 2021-12-17

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091300.

The format of the file is:

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

New Rules:


 * 1:58814 <-> DISABLED <-> POLICY-OTHER Java User-Agent remote class download attempt (policy-other.rules)
 * 1:58811 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58813 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58801 <-> ENABLED <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt (malware-cnc.rules)
 * 1:58812 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 3:58808 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58810 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58803 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58802 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58806 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58809 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58807 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58804 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58805 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)

Modified Rules:


 * 1:58743 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:58744 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:58742 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:41714 <-> ENABLED <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt (indicator-obfuscation.rules)

2021-12-18 03:52:37 UTC

Snort Subscriber Rules Update

Date: 2021-12-17

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091101.

The format of the file is:

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

New Rules:


 * 1:58811 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58801 <-> ENABLED <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt (malware-cnc.rules)
 * 1:58813 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58814 <-> DISABLED <-> POLICY-OTHER Java User-Agent remote class download attempt (policy-other.rules)
 * 1:58812 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 3:58809 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58805 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58807 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58808 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58810 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58804 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58802 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58803 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)
 * 3:58806 <-> ENABLED <-> SERVER-WEBAPP Apache Log4j logging remote code execution attempt (server-webapp.rules)

Modified Rules:


 * 1:58742 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:58743 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:58744 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:41714 <-> ENABLED <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt (indicator-obfuscation.rules)

2021-12-18 03:52:37 UTC

Snort Subscriber Rules Update

Date: 2021-12-17

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3000.

The format of the file is:

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

New Rules:


 * 1:58812 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (snort3-server-other.rules)
 * 1:58811 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (snort3-server-other.rules)
 * 1:58814 <-> DISABLED <-> POLICY-OTHER Java User-Agent remote class download attempt (snort3-policy-other.rules)
 * 1:58813 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (snort3-server-other.rules)
 * 1:58801 <-> ENABLED <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt (snort3-malware-cnc.rules)

Modified Rules:


 * 1:58742 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (snort3-server-other.rules)
 * 1:41714 <-> ENABLED <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt (snort3-indicator-obfuscation.rules)
 * 1:58743 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (snort3-server-other.rules)
 * 1:58744 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (snort3-server-other.rules)

2021-12-18 03:52:37 UTC

Snort Subscriber Rules Update

Date: 2021-12-17

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:


 * 1:58811 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58813 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58812 <-> ENABLED <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt (server-other.rules)
 * 1:58801 <-> ENABLED <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt (malware-cnc.rules)
 * 1:58814 <-> DISABLED <-> POLICY-OTHER Java User-Agent remote class download attempt (policy-other.rules)

Modified Rules:


 * 1:58742 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:58744 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)
 * 1:41714 <-> ENABLED <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt (indicator-obfuscation.rules)
 * 1:58743 <-> ENABLED <-> SERVER-OTHER Apache Log4j logging remote code execution attempt (server-other.rules)

2021-12-18 03:55:22 UTC

Snort Subscriber Rules Update

Date: 2021-12-18-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.0.3.1.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:41714 <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt
* 1:58801 <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt
* 1:58811 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58812 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58813 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58814 <-> POLICY-OTHER Java User-Agent remote class download attempt

Modified Rules:

* 1:58742 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58743 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58744 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt


2021-12-18 03:55:22 UTC

Snort Subscriber Rules Update

Date: 2021-12-18-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.0.3.4.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:41714 <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt
* 1:58801 <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt
* 1:58811 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58812 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58813 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58814 <-> POLICY-OTHER Java User-Agent remote class download attempt

Modified Rules:

* 1:58742 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58743 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58744 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt


2021-12-18 03:55:22 UTC

Snort Subscriber Rules Update

Date: 2021-12-18-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.1.0.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:41714 <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt
* 1:58801 <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt
* 1:58811 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58812 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58813 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58814 <-> POLICY-OTHER Java User-Agent remote class download attempt

Modified Rules:

* 1:58742 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58743 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58744 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt


2021-12-18 03:55:22 UTC

Snort Subscriber Rules Update

Date: 2021-12-18-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.1.0.1.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:41714 <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt
* 1:58801 <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt
* 1:58811 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58812 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58813 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58814 <-> POLICY-OTHER Java User-Agent remote class download attempt

Modified Rules:

* 1:58742 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58743 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58744 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt


2021-12-18 03:55:22 UTC

Snort Subscriber Rules Update

Date: 2021-12-18-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.1.1.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:41714 <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt
* 1:58801 <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt
* 1:58811 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58812 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58813 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58814 <-> POLICY-OTHER Java User-Agent remote class download attempt

Modified Rules:

* 1:58742 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58743 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58744 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt


2021-12-18 03:55:22 UTC

Snort Subscriber Rules Update

Date: 2021-12-18-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.1.3.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:41714 <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt
* 1:58801 <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt
* 1:58811 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58812 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58813 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58814 <-> POLICY-OTHER Java User-Agent remote class download attempt

Modified Rules:

* 1:58742 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58743 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58744 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt


2021-12-18 03:55:22 UTC

Snort Subscriber Rules Update

Date: 2021-12-18-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.1.4.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:41714 <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt
* 1:58801 <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt
* 1:58811 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58812 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58813 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58814 <-> POLICY-OTHER Java User-Agent remote class download attempt

Modified Rules:

* 1:58742 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58743 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58744 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt


2021-12-18 03:55:28 UTC

Snort Subscriber Rules Update

Date: 2021-12-18-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.1.5.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:41714 <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt
* 1:58801 <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt
* 1:58811 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58812 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58813 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58814 <-> POLICY-OTHER Java User-Agent remote class download attempt

Modified Rules:

* 1:58742 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58743 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58744 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt


2021-12-18 03:55:28 UTC

Snort Subscriber Rules Update

Date: 2021-12-18-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.1.7.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:41714 <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt
* 1:58801 <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt
* 1:58811 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58812 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58813 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58814 <-> POLICY-OTHER Java User-Agent remote class download attempt

Modified Rules:

* 1:58742 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58743 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58744 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt


2021-12-18 03:55:28 UTC

Snort Subscriber Rules Update

Date: 2021-12-18-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.1.9.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:41714 <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt
* 1:58801 <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt
* 1:58811 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58812 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58813 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58814 <-> POLICY-OTHER Java User-Agent remote class download attempt

Modified Rules:

* 1:58742 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58743 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58744 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt


2021-12-18 03:55:28 UTC

Snort Subscriber Rules Update

Date: 2021-12-18-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.1.11.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:41714 <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt
* 1:58801 <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt
* 1:58811 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58812 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58813 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58814 <-> POLICY-OTHER Java User-Agent remote class download attempt

Modified Rules:

* 1:58742 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58743 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58744 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt


2021-12-18 03:55:28 UTC

Snort Subscriber Rules Update

Date: 2021-12-18-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.1.15.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:41714 <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt
* 1:58801 <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt
* 1:58811 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58812 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58813 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58814 <-> POLICY-OTHER Java User-Agent remote class download attempt

Modified Rules:

* 1:58742 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58743 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58744 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt


2021-12-18 03:55:28 UTC

Snort Subscriber Rules Update

Date: 2021-12-18-001

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 3.1.18.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:41714 <-> INDICATOR-OBFUSCATION rfc822 HTTP transfer encoding attempt attempt
* 1:58801 <-> MALWARE-CNC JNDI Exploit Kit searchResEntry dynamic code download attempt
* 1:58811 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58812 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58813 <-> SERVER-OTHER VMWare vSphere log4shell exploit attempt
* 1:58814 <-> POLICY-OTHER Java User-Agent remote class download attempt

Modified Rules:

* 1:58742 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58743 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt
* 1:58744 <-> SERVER-OTHER Apache Log4j logging remote code execution attempt