Talos Rules 2021-07-29
This release adds and modifies rules in several categories.

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

Change logs

2021-07-29 12:45:29 UTC

Snort Subscriber Rules Update

Date: 2021-07-29

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091800.

The format of the file is:

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

New Rules:


 * 1:57973 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Uran second stage download attempt (malware-cnc.rules)
 * 1:57974 <-> DISABLED <-> MALWARE-CNC Win.Trojan.Uran variant outbound connection (malware-cnc.rules)
 * 3:57967 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1350 attack attempt (file-other.rules)
 * 3:57970 <-> ENABLED <-> BROWSER-OTHER TRUFFLEHUNTER TALOS-2021-1345 attack attempt (browser-other.rules)
 * 3:57968 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1350 attack attempt (file-other.rules)
 * 3:57969 <-> ENABLED <-> BROWSER-OTHER TRUFFLEHUNTER TALOS-2021-1345 attack attempt (browser-other.rules)
 * 3:57971 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1346 attack attempt (file-other.rules)
 * 3:57972 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1346 attack attempt (file-other.rules)

Modified Rules:



2021-07-29 12:45:29 UTC

Snort Subscriber Rules Update

Date: 2021-07-29

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:


 * 1:57973 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Uran second stage download attempt (malware-cnc.rules)
 * 1:57974 <-> DISABLED <-> MALWARE-CNC Win.Trojan.Uran variant outbound connection (malware-cnc.rules)
 * 3:57971 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1346 attack attempt (file-other.rules)
 * 3:57967 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1350 attack attempt (file-other.rules)
 * 3:57972 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1346 attack attempt (file-other.rules)
 * 3:57970 <-> ENABLED <-> BROWSER-OTHER TRUFFLEHUNTER TALOS-2021-1345 attack attempt (browser-other.rules)
 * 3:57969 <-> ENABLED <-> BROWSER-OTHER TRUFFLEHUNTER TALOS-2021-1345 attack attempt (browser-other.rules)
 * 3:57968 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1350 attack attempt (file-other.rules)

Modified Rules:



2021-07-29 12:45:29 UTC

Snort Subscriber Rules Update

Date: 2021-07-29

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:


 * 1:57973 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Uran second stage download attempt (malware-cnc.rules)
 * 1:57974 <-> DISABLED <-> MALWARE-CNC Win.Trojan.Uran variant outbound connection (malware-cnc.rules)
 * 3:57971 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1346 attack attempt (file-other.rules)
 * 3:57970 <-> ENABLED <-> BROWSER-OTHER TRUFFLEHUNTER TALOS-2021-1345 attack attempt (browser-other.rules)
 * 3:57972 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1346 attack attempt (file-other.rules)
 * 3:57967 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1350 attack attempt (file-other.rules)
 * 3:57968 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1350 attack attempt (file-other.rules)
 * 3:57969 <-> ENABLED <-> BROWSER-OTHER TRUFFLEHUNTER TALOS-2021-1345 attack attempt (browser-other.rules)

Modified Rules:



2021-07-29 12:45:29 UTC

Snort Subscriber Rules Update

Date: 2021-07-29

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:


 * 1:57974 <-> DISABLED <-> MALWARE-CNC Win.Trojan.Uran variant outbound connection (malware-cnc.rules)
 * 1:57973 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Uran second stage download attempt (malware-cnc.rules)
 * 3:57967 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1350 attack attempt (file-other.rules)
 * 3:57969 <-> ENABLED <-> BROWSER-OTHER TRUFFLEHUNTER TALOS-2021-1345 attack attempt (browser-other.rules)
 * 3:57970 <-> ENABLED <-> BROWSER-OTHER TRUFFLEHUNTER TALOS-2021-1345 attack attempt (browser-other.rules)
 * 3:57972 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1346 attack attempt (file-other.rules)
 * 3:57968 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1350 attack attempt (file-other.rules)
 * 3:57971 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1346 attack attempt (file-other.rules)

Modified Rules:



2021-07-29 12:45:29 UTC

Snort Subscriber Rules Update

Date: 2021-07-29

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:


 * 1:57974 <-> DISABLED <-> MALWARE-CNC Win.Trojan.Uran variant outbound connection (malware-cnc.rules)
 * 1:57973 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Uran second stage download attempt (malware-cnc.rules)
 * 3:57970 <-> ENABLED <-> BROWSER-OTHER TRUFFLEHUNTER TALOS-2021-1345 attack attempt (browser-other.rules)
 * 3:57967 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1350 attack attempt (file-other.rules)
 * 3:57972 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1346 attack attempt (file-other.rules)
 * 3:57968 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1350 attack attempt (file-other.rules)
 * 3:57969 <-> ENABLED <-> BROWSER-OTHER TRUFFLEHUNTER TALOS-2021-1345 attack attempt (browser-other.rules)
 * 3:57971 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1346 attack attempt (file-other.rules)

Modified Rules:



2021-07-29 12:45:29 UTC

Snort Subscriber Rules Update

Date: 2021-07-29

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:


 * 1:57973 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Uran second stage download attempt (malware-cnc.rules)
 * 1:57974 <-> DISABLED <-> MALWARE-CNC Win.Trojan.Uran variant outbound connection (malware-cnc.rules)
 * 3:57968 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1350 attack attempt (file-other.rules)
 * 3:57972 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1346 attack attempt (file-other.rules)
 * 3:57969 <-> ENABLED <-> BROWSER-OTHER TRUFFLEHUNTER TALOS-2021-1345 attack attempt (browser-other.rules)
 * 3:57971 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1346 attack attempt (file-other.rules)
 * 3:57970 <-> ENABLED <-> BROWSER-OTHER TRUFFLEHUNTER TALOS-2021-1345 attack attempt (browser-other.rules)
 * 3:57967 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1350 attack attempt (file-other.rules)

Modified Rules:



2021-07-29 12:45:29 UTC

Snort Subscriber Rules Update

Date: 2021-07-29

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:


 * 1:57973 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Uran second stage download attempt (malware-cnc.rules)
 * 1:57974 <-> DISABLED <-> MALWARE-CNC Win.Trojan.Uran variant outbound connection (malware-cnc.rules)
 * 3:57971 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1346 attack attempt (file-other.rules)
 * 3:57970 <-> ENABLED <-> BROWSER-OTHER TRUFFLEHUNTER TALOS-2021-1345 attack attempt (browser-other.rules)
 * 3:57967 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1350 attack attempt (file-other.rules)
 * 3:57969 <-> ENABLED <-> BROWSER-OTHER TRUFFLEHUNTER TALOS-2021-1345 attack attempt (browser-other.rules)
 * 3:57972 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1346 attack attempt (file-other.rules)
 * 3:57968 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1350 attack attempt (file-other.rules)

Modified Rules:



2021-07-29 12:45:29 UTC

Snort Subscriber Rules Update

Date: 2021-07-29

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:


 * 1:57974 <-> DISABLED <-> MALWARE-CNC Win.Trojan.Uran variant outbound connection (malware-cnc.rules)
 * 1:57973 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Uran second stage download attempt (malware-cnc.rules)
 * 3:57972 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1346 attack attempt (file-other.rules)
 * 3:57968 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1350 attack attempt (file-other.rules)
 * 3:57969 <-> ENABLED <-> BROWSER-OTHER TRUFFLEHUNTER TALOS-2021-1345 attack attempt (browser-other.rules)
 * 3:57967 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1350 attack attempt (file-other.rules)
 * 3:57970 <-> ENABLED <-> BROWSER-OTHER TRUFFLEHUNTER TALOS-2021-1345 attack attempt (browser-other.rules)
 * 3:57971 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1346 attack attempt (file-other.rules)

Modified Rules:



2021-07-29 12:45:29 UTC

Snort Subscriber Rules Update

Date: 2021-07-29

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:


 * 1:57973 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Uran second stage download attempt (malware-cnc.rules)
 * 1:57974 <-> DISABLED <-> MALWARE-CNC Win.Trojan.Uran variant outbound connection (malware-cnc.rules)
 * 3:57970 <-> ENABLED <-> BROWSER-OTHER TRUFFLEHUNTER TALOS-2021-1345 attack attempt (browser-other.rules)
 * 3:57969 <-> ENABLED <-> BROWSER-OTHER TRUFFLEHUNTER TALOS-2021-1345 attack attempt (browser-other.rules)
 * 3:57972 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1346 attack attempt (file-other.rules)
 * 3:57968 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1350 attack attempt (file-other.rules)
 * 3:57971 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1346 attack attempt (file-other.rules)
 * 3:57967 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1350 attack attempt (file-other.rules)

Modified Rules:



2021-07-29 12:45:29 UTC

Snort Subscriber Rules Update

Date: 2021-07-29

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:


 * 1:57973 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Uran second stage download attempt (snort3-malware-cnc.rules)
 * 1:57974 <-> DISABLED <-> MALWARE-CNC Win.Trojan.Uran variant outbound connection (snort3-malware-cnc.rules)

Modified Rules:



2021-07-29 12:45:29 UTC

Snort Subscriber Rules Update

Date: 2021-07-29

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:


 * 1:57974 <-> DISABLED <-> MALWARE-CNC Win.Trojan.Uran variant outbound connection (malware-cnc.rules)
 * 1:57973 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Uran second stage download attempt (malware-cnc.rules)

Modified Rules:



2021-07-29 12:55:45 UTC

Snort Subscriber Rules Update

Date: 2021-07-28-001

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:

* 1:57973 <-> MALWARE-CNC Win.Trojan.Uran second stage download attempt
* 1:57974 <-> MALWARE-CNC Win.Trojan.Uran variant outbound connection

Modified Rules:



2021-07-29 12:55:45 UTC

Snort Subscriber Rules Update

Date: 2021-07-28-001

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:

* 1:57973 <-> MALWARE-CNC Win.Trojan.Uran second stage download attempt
* 1:57974 <-> MALWARE-CNC Win.Trojan.Uran variant outbound connection

Modified Rules:



2021-07-29 12:55:45 UTC

Snort Subscriber Rules Update

Date: 2021-07-28-001

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:

* 1:57973 <-> MALWARE-CNC Win.Trojan.Uran second stage download attempt
* 1:57974 <-> MALWARE-CNC Win.Trojan.Uran variant outbound connection

Modified Rules:



2021-07-29 12:55:46 UTC

Snort Subscriber Rules Update

Date: 2021-07-28-001

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:

* 1:57973 <-> MALWARE-CNC Win.Trojan.Uran second stage download attempt
* 1:57974 <-> MALWARE-CNC Win.Trojan.Uran variant outbound connection

Modified Rules:



2021-07-29 12:55:46 UTC

Snort Subscriber Rules Update

Date: 2021-07-28-001

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:

* 1:57973 <-> MALWARE-CNC Win.Trojan.Uran second stage download attempt
* 1:57974 <-> MALWARE-CNC Win.Trojan.Uran variant outbound connection

Modified Rules:



2021-07-29 12:55:46 UTC

Snort Subscriber Rules Update

Date: 2021-07-28-001

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:

* 1:57973 <-> MALWARE-CNC Win.Trojan.Uran second stage download attempt
* 1:57974 <-> MALWARE-CNC Win.Trojan.Uran variant outbound connection

Modified Rules:



2021-07-29 12:55:46 UTC

Snort Subscriber Rules Update

Date: 2021-07-28-001

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:

* 1:57973 <-> MALWARE-CNC Win.Trojan.Uran second stage download attempt
* 1:57974 <-> MALWARE-CNC Win.Trojan.Uran variant outbound connection

Modified Rules:



2021-07-29 12:55:46 UTC

Snort Subscriber Rules Update

Date: 2021-07-28-001

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:

* 1:57973 <-> MALWARE-CNC Win.Trojan.Uran second stage download attempt
* 1:57974 <-> MALWARE-CNC Win.Trojan.Uran variant outbound connection

Modified Rules: