Talos Rules 2020-03-26
This release adds and modifies rules in several categories.

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

Change logs

2020-03-26 12:16:49 UTC

Snort Subscriber Rules Update

Date: 2020-03-26

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:


 * 1:53506 <-> DISABLED <-> SERVER-WEBAPP Horde Groupware Webmail data import PHP code injection attempt (server-webapp.rules)
 * 1:53505 <-> DISABLED <-> SERVER-WEBAPP Horde Groupware Webmail data import PHP code injection attempt (server-webapp.rules)
 * 1:53496 <-> DISABLED <-> MALWARE-OTHER Unix.Malware.Mirai-7640009-0 download attempt (malware-other.rules)
 * 1:53495 <-> DISABLED <-> MALWARE-OTHER Unix.Malware.Mirai-7640009-0 download attempt (malware-other.rules)
 * 1:53494 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.Vebzenpak-7639837-0 download attempt (malware-other.rules)
 * 1:53493 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.Vebzenpak-7639837-0 download attempt (malware-other.rules)

Modified Rules:


 * 1:53490 <-> ENABLED <-> FILE-OTHER Microsoft Windows fontdrvhost SetBlendDesignPositions out of bounds write attempt (file-other.rules)
 * 1:44434 <-> DISABLED <-> SERVER-APACHE Apache HTTP Server possible OPTIONS method memory leak attempt (server-apache.rules)
 * 1:53489 <-> ENABLED <-> FILE-OTHER Microsoft Windows fontdrvhost SetBlendDesignPositions out of bounds write attempt (file-other.rules)
 * 3:51625 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)
 * 3:51622 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)
 * 3:51623 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)
 * 3:51624 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)

2020-03-26 12:16:49 UTC

Snort Subscriber Rules Update

Date: 2020-03-26

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091500.

The format of the file is:

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

New Rules:


 * 1:53493 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.Vebzenpak-7639837-0 download attempt (malware-other.rules)
 * 1:53495 <-> DISABLED <-> MALWARE-OTHER Unix.Malware.Mirai-7640009-0 download attempt (malware-other.rules)
 * 1:53505 <-> DISABLED <-> SERVER-WEBAPP Horde Groupware Webmail data import PHP code injection attempt (server-webapp.rules)
 * 1:53506 <-> DISABLED <-> SERVER-WEBAPP Horde Groupware Webmail data import PHP code injection attempt (server-webapp.rules)
 * 1:53496 <-> DISABLED <-> MALWARE-OTHER Unix.Malware.Mirai-7640009-0 download attempt (malware-other.rules)
 * 1:53494 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.Vebzenpak-7639837-0 download attempt (malware-other.rules)

Modified Rules:


 * 1:44434 <-> DISABLED <-> SERVER-APACHE Apache HTTP Server possible OPTIONS method memory leak attempt (server-apache.rules)
 * 1:53490 <-> ENABLED <-> FILE-OTHER Microsoft Windows fontdrvhost SetBlendDesignPositions out of bounds write attempt (file-other.rules)
 * 1:53489 <-> ENABLED <-> FILE-OTHER Microsoft Windows fontdrvhost SetBlendDesignPositions out of bounds write attempt (file-other.rules)
 * 3:51625 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)
 * 3:51624 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)
 * 3:51623 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)
 * 3:51622 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)

2020-03-26 12:16:49 UTC

Snort Subscriber Rules Update

Date: 2020-03-26

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:


 * 1:53493 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.Vebzenpak-7639837-0 download attempt (malware-other.rules)
 * 1:53506 <-> DISABLED <-> SERVER-WEBAPP Horde Groupware Webmail data import PHP code injection attempt (server-webapp.rules)
 * 1:53494 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.Vebzenpak-7639837-0 download attempt (malware-other.rules)
 * 1:53495 <-> DISABLED <-> MALWARE-OTHER Unix.Malware.Mirai-7640009-0 download attempt (malware-other.rules)
 * 1:53505 <-> DISABLED <-> SERVER-WEBAPP Horde Groupware Webmail data import PHP code injection attempt (server-webapp.rules)
 * 1:53496 <-> DISABLED <-> MALWARE-OTHER Unix.Malware.Mirai-7640009-0 download attempt (malware-other.rules)

Modified Rules:


 * 1:53490 <-> ENABLED <-> FILE-OTHER Microsoft Windows fontdrvhost SetBlendDesignPositions out of bounds write attempt (file-other.rules)
 * 1:53489 <-> ENABLED <-> FILE-OTHER Microsoft Windows fontdrvhost SetBlendDesignPositions out of bounds write attempt (file-other.rules)
 * 1:44434 <-> DISABLED <-> SERVER-APACHE Apache HTTP Server possible OPTIONS method memory leak attempt (server-apache.rules)
 * 3:51625 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)
 * 3:51623 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)
 * 3:51622 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)
 * 3:51624 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)

2020-03-26 12:16:49 UTC

Snort Subscriber Rules Update

Date: 2020-03-26

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:


 * 1:53496 <-> DISABLED <-> MALWARE-OTHER Unix.Malware.Mirai-7640009-0 download attempt (malware-other.rules)
 * 1:53493 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.Vebzenpak-7639837-0 download attempt (malware-other.rules)
 * 1:53494 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.Vebzenpak-7639837-0 download attempt (malware-other.rules)
 * 1:53495 <-> DISABLED <-> MALWARE-OTHER Unix.Malware.Mirai-7640009-0 download attempt (malware-other.rules)
 * 1:53505 <-> DISABLED <-> SERVER-WEBAPP Horde Groupware Webmail data import PHP code injection attempt (server-webapp.rules)
 * 1:53506 <-> DISABLED <-> SERVER-WEBAPP Horde Groupware Webmail data import PHP code injection attempt (server-webapp.rules)

Modified Rules:


 * 1:53490 <-> ENABLED <-> FILE-OTHER Microsoft Windows fontdrvhost SetBlendDesignPositions out of bounds write attempt (file-other.rules)
 * 1:44434 <-> DISABLED <-> SERVER-APACHE Apache HTTP Server possible OPTIONS method memory leak attempt (server-apache.rules)
 * 1:53489 <-> ENABLED <-> FILE-OTHER Microsoft Windows fontdrvhost SetBlendDesignPositions out of bounds write attempt (file-other.rules)
 * 3:51623 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)
 * 3:51624 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)
 * 3:51622 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)
 * 3:51625 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)

2020-03-26 12:16:49 UTC

Snort Subscriber Rules Update

Date: 2020-03-26

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:


 * 1:53494 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.Vebzenpak-7639837-0 download attempt (malware-other.rules)
 * 1:53493 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.Vebzenpak-7639837-0 download attempt (malware-other.rules)
 * 1:53506 <-> DISABLED <-> SERVER-WEBAPP Horde Groupware Webmail data import PHP code injection attempt (server-webapp.rules)
 * 1:53496 <-> DISABLED <-> MALWARE-OTHER Unix.Malware.Mirai-7640009-0 download attempt (malware-other.rules)
 * 1:53495 <-> DISABLED <-> MALWARE-OTHER Unix.Malware.Mirai-7640009-0 download attempt (malware-other.rules)
 * 1:53505 <-> DISABLED <-> SERVER-WEBAPP Horde Groupware Webmail data import PHP code injection attempt (server-webapp.rules)

Modified Rules:


 * 1:44434 <-> DISABLED <-> SERVER-APACHE Apache HTTP Server possible OPTIONS method memory leak attempt (server-apache.rules)
 * 1:53489 <-> ENABLED <-> FILE-OTHER Microsoft Windows fontdrvhost SetBlendDesignPositions out of bounds write attempt (file-other.rules)
 * 1:53490 <-> ENABLED <-> FILE-OTHER Microsoft Windows fontdrvhost SetBlendDesignPositions out of bounds write attempt (file-other.rules)
 * 3:51624 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)
 * 3:51622 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)
 * 3:51623 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)
 * 3:51625 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)

2020-03-26 12:16:49 UTC

Snort Subscriber Rules Update

Date: 2020-03-26

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:


 * 1:53493 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.Vebzenpak-7639837-0 download attempt (snort3-malware-other.rules)
 * 1:53496 <-> DISABLED <-> MALWARE-OTHER Unix.Malware.Mirai-7640009-0 download attempt (snort3-malware-other.rules)
 * 1:53506 <-> DISABLED <-> SERVER-WEBAPP Horde Groupware Webmail data import PHP code injection attempt (snort3-server-webapp.rules)
 * 1:53505 <-> DISABLED <-> SERVER-WEBAPP Horde Groupware Webmail data import PHP code injection attempt (snort3-server-webapp.rules)
 * 1:53494 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.Vebzenpak-7639837-0 download attempt (snort3-malware-other.rules)
 * 1:53495 <-> DISABLED <-> MALWARE-OTHER Unix.Malware.Mirai-7640009-0 download attempt (snort3-malware-other.rules)

Modified Rules:


 * 1:44434 <-> DISABLED <-> SERVER-APACHE Apache HTTP Server possible OPTIONS method memory leak attempt (snort3-server-apache.rules)
 * 1:53489 <-> ENABLED <-> FILE-OTHER Microsoft Windows fontdrvhost SetBlendDesignPositions out of bounds write attempt (snort3-file-other.rules)
 * 1:53490 <-> ENABLED <-> FILE-OTHER Microsoft Windows fontdrvhost SetBlendDesignPositions out of bounds write attempt (snort3-file-other.rules)

2020-03-26 12:16:49 UTC

Snort Subscriber Rules Update

Date: 2020-03-26

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:


 * 1:53496 <-> DISABLED <-> MALWARE-OTHER Unix.Malware.Mirai-7640009-0 download attempt (malware-other.rules)
 * 1:53505 <-> DISABLED <-> SERVER-WEBAPP Horde Groupware Webmail data import PHP code injection attempt (server-webapp.rules)
 * 1:53493 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.Vebzenpak-7639837-0 download attempt (malware-other.rules)
 * 1:53495 <-> DISABLED <-> MALWARE-OTHER Unix.Malware.Mirai-7640009-0 download attempt (malware-other.rules)
 * 1:53506 <-> DISABLED <-> SERVER-WEBAPP Horde Groupware Webmail data import PHP code injection attempt (server-webapp.rules)
 * 1:53494 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.Vebzenpak-7639837-0 download attempt (malware-other.rules)

Modified Rules:


 * 1:44434 <-> DISABLED <-> SERVER-APACHE Apache HTTP Server possible OPTIONS method memory leak attempt (server-apache.rules)
 * 1:53490 <-> ENABLED <-> FILE-OTHER Microsoft Windows fontdrvhost SetBlendDesignPositions out of bounds write attempt (file-other.rules)
 * 1:53489 <-> ENABLED <-> FILE-OTHER Microsoft Windows fontdrvhost SetBlendDesignPositions out of bounds write attempt (file-other.rules)
 * 3:51625 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)
 * 3:51623 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)
 * 3:51624 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)
 * 3:51622 <-> ENABLED <-> SERVER-WEBAPP Cisco IOS XE Web UI command injection attempt (server-webapp.rules)