Talos Rules 2019-05-24
This release adds and modifies rules in several categories.

Talos has added and modified multiple rules in the browser-ie and file-flash rule sets to provide coverage for emerging threats from these technologies.

Change logs

2019-05-24 18:40:19 UTC

Snort Subscriber Rules Update

Date: 2019-05-24

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:


 * 1:50189 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (content-replace.rules)
 * 1:50188 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (content-replace.rules)
 * 1:50187 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (content-replace.rules)
 * 1:50186 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (content-replace.rules)
 * 1:50185 <-> DISABLED <-> FILE-FLASH Adobe Flash Player writeExternal type confusion attempt (file-flash.rules)
 * 1:50184 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer sandbox escape attempt (browser-ie.rules)
 * 1:50183 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer sandbox escape attempt (browser-ie.rules)

Modified Rules:



2019-05-24 18:40:19 UTC

Snort Subscriber Rules Update

Date: 2019-05-24

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091200.

The format of the file is:

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

New Rules:


 * 1:50188 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (content-replace.rules)
 * 1:50189 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (content-replace.rules)
 * 1:50183 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer sandbox escape attempt (browser-ie.rules)
 * 1:50186 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (content-replace.rules)
 * 1:50187 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (content-replace.rules)
 * 1:50184 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer sandbox escape attempt (browser-ie.rules)
 * 1:50185 <-> DISABLED <-> FILE-FLASH Adobe Flash Player writeExternal type confusion attempt (file-flash.rules)

Modified Rules:



2019-05-24 18:40:19 UTC

Snort Subscriber Rules Update

Date: 2019-05-24

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:


 * 1:50183 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer sandbox escape attempt (browser-ie.rules)
 * 1:50186 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (content-replace.rules)
 * 1:50188 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (content-replace.rules)
 * 1:50184 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer sandbox escape attempt (browser-ie.rules)
 * 1:50187 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (content-replace.rules)
 * 1:50185 <-> DISABLED <-> FILE-FLASH Adobe Flash Player writeExternal type confusion attempt (file-flash.rules)
 * 1:50189 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (content-replace.rules)

Modified Rules:



2019-05-24 18:40:19 UTC

Snort Subscriber Rules Update

Date: 2019-05-24

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:


 * 1:50188 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (snort3-content-replace.rules)
 * 1:50183 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer sandbox escape attempt (snort3-browser-ie.rules)
 * 1:50184 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer sandbox escape attempt (snort3-browser-ie.rules)
 * 1:50186 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (snort3-content-replace.rules)
 * 1:50185 <-> DISABLED <-> FILE-FLASH Adobe Flash Player writeExternal type confusion attempt (snort3-file-flash.rules)
 * 1:50187 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (snort3-content-replace.rules)
 * 1:50189 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (snort3-content-replace.rules)

Modified Rules:



2019-05-24 18:40:20 UTC

Snort Subscriber Rules Update

Date: 2019-05-24

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:


 * 1:50188 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (content-replace.rules)
 * 1:50183 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer sandbox escape attempt (browser-ie.rules)
 * 1:50184 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer sandbox escape attempt (browser-ie.rules)
 * 1:50186 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (content-replace.rules)
 * 1:50185 <-> DISABLED <-> FILE-FLASH Adobe Flash Player writeExternal type confusion attempt (file-flash.rules)
 * 1:50187 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (content-replace.rules)
 * 1:50189 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (content-replace.rules)

Modified Rules:



2019-05-24 18:40:20 UTC

Snort Subscriber Rules Update

Date: 2019-05-24

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:


 * 1:50184 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer sandbox escape attempt (browser-ie.rules)
 * 1:50183 <-> DISABLED <-> BROWSER-IE Microsoft Internet Explorer sandbox escape attempt (browser-ie.rules)
 * 1:50189 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (content-replace.rules)
 * 1:50188 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (content-replace.rules)
 * 1:50186 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (content-replace.rules)
 * 1:50185 <-> DISABLED <-> FILE-FLASH Adobe Flash Player writeExternal type confusion attempt (file-flash.rules)
 * 1:50187 <-> ENABLED <-> CONTENT-REPLACE Microsoft Windows require RDP client channel list prior to encryption (content-replace.rules)

Modified Rules: