Talos Rules 2021-08-03
This release adds and modifies rules in several categories.

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

Change logs

2021-08-03 19:35:03 UTC

Snort Subscriber Rules Update

Date: 2021-08-03

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:


 * 1:57975 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Raccoon variant outbound request detected (malware-cnc.rules)
 * 3:57977 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1349 attack attempt (file-other.rules)
 * 3:57976 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1349 attack attempt (file-other.rules)
 * 3:57978 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1351 attack attempt (file-other.rules)
 * 3:57979 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1351 attack attempt (file-other.rules)

Modified Rules:


 * 3:54160 <-> ENABLED <-> SERVER-OTHER Cisco IOS IKE2 invalid port denial of service attempt (server-other.rules)
 * 3:54159 <-> ENABLED <-> SERVER-OTHER Cisco IOS IKE2 invalid port denial of service attempt (server-other.rules)

2021-08-03 19:35:03 UTC

Snort Subscriber Rules Update

Date: 2021-08-03

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:


 * 1:57975 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Raccoon variant outbound request detected (malware-cnc.rules)
 * 3:57977 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1349 attack attempt (file-other.rules)
 * 3:57976 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1349 attack attempt (file-other.rules)
 * 3:57979 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1351 attack attempt (file-other.rules)
 * 3:57978 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1351 attack attempt (file-other.rules)

Modified Rules:


 * 3:54160 <-> ENABLED <-> SERVER-OTHER Cisco IOS IKE2 invalid port denial of service attempt (server-other.rules)
 * 3:54159 <-> ENABLED <-> SERVER-OTHER Cisco IOS IKE2 invalid port denial of service attempt (server-other.rules)

2021-08-03 19:35:03 UTC

Snort Subscriber Rules Update

Date: 2021-08-03

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:


 * 1:57975 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Raccoon variant outbound request detected (malware-cnc.rules)
 * 3:57979 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1351 attack attempt (file-other.rules)
 * 3:57978 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1351 attack attempt (file-other.rules)
 * 3:57977 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1349 attack attempt (file-other.rules)
 * 3:57976 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1349 attack attempt (file-other.rules)

Modified Rules:


 * 3:54160 <-> ENABLED <-> SERVER-OTHER Cisco IOS IKE2 invalid port denial of service attempt (server-other.rules)
 * 3:54159 <-> ENABLED <-> SERVER-OTHER Cisco IOS IKE2 invalid port denial of service attempt (server-other.rules)

2021-08-03 19:35:03 UTC

Snort Subscriber Rules Update

Date: 2021-08-03

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:


 * 1:57975 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Raccoon variant outbound request detected (malware-cnc.rules)
 * 3:57977 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1349 attack attempt (file-other.rules)
 * 3:57979 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1351 attack attempt (file-other.rules)
 * 3:57976 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1349 attack attempt (file-other.rules)
 * 3:57978 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1351 attack attempt (file-other.rules)

Modified Rules:


 * 3:54159 <-> ENABLED <-> SERVER-OTHER Cisco IOS IKE2 invalid port denial of service attempt (server-other.rules)
 * 3:54160 <-> ENABLED <-> SERVER-OTHER Cisco IOS IKE2 invalid port denial of service attempt (server-other.rules)

2021-08-03 19:35:03 UTC

Snort Subscriber Rules Update

Date: 2021-08-03

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:


 * 1:57975 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Raccoon variant outbound request detected (malware-cnc.rules)
 * 3:57978 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1351 attack attempt (file-other.rules)
 * 3:57976 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1349 attack attempt (file-other.rules)
 * 3:57979 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1351 attack attempt (file-other.rules)
 * 3:57977 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1349 attack attempt (file-other.rules)

Modified Rules:


 * 3:54159 <-> ENABLED <-> SERVER-OTHER Cisco IOS IKE2 invalid port denial of service attempt (server-other.rules)
 * 3:54160 <-> ENABLED <-> SERVER-OTHER Cisco IOS IKE2 invalid port denial of service attempt (server-other.rules)

2021-08-03 19:35:03 UTC

Snort Subscriber Rules Update

Date: 2021-08-03

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:


 * 1:57975 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Raccoon variant outbound request detected (malware-cnc.rules)
 * 3:57978 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1351 attack attempt (file-other.rules)
 * 3:57976 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1349 attack attempt (file-other.rules)
 * 3:57977 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1349 attack attempt (file-other.rules)
 * 3:57979 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1351 attack attempt (file-other.rules)

Modified Rules:


 * 3:54160 <-> ENABLED <-> SERVER-OTHER Cisco IOS IKE2 invalid port denial of service attempt (server-other.rules)
 * 3:54159 <-> ENABLED <-> SERVER-OTHER Cisco IOS IKE2 invalid port denial of service attempt (server-other.rules)

2021-08-03 19:35:03 UTC

Snort Subscriber Rules Update

Date: 2021-08-03

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:


 * 1:57975 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Raccoon variant outbound request detected (malware-cnc.rules)
 * 3:57976 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1349 attack attempt (file-other.rules)
 * 3:57978 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1351 attack attempt (file-other.rules)
 * 3:57979 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1351 attack attempt (file-other.rules)
 * 3:57977 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1349 attack attempt (file-other.rules)

Modified Rules:


 * 3:54159 <-> ENABLED <-> SERVER-OTHER Cisco IOS IKE2 invalid port denial of service attempt (server-other.rules)
 * 3:54160 <-> ENABLED <-> SERVER-OTHER Cisco IOS IKE2 invalid port denial of service attempt (server-other.rules)

2021-08-03 19:35:03 UTC

Snort Subscriber Rules Update

Date: 2021-08-03

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:


 * 1:57975 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Raccoon variant outbound request detected (malware-cnc.rules)
 * 3:57977 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1349 attack attempt (file-other.rules)
 * 3:57978 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1351 attack attempt (file-other.rules)
 * 3:57976 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1349 attack attempt (file-other.rules)
 * 3:57979 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1351 attack attempt (file-other.rules)

Modified Rules:


 * 3:54160 <-> ENABLED <-> SERVER-OTHER Cisco IOS IKE2 invalid port denial of service attempt (server-other.rules)
 * 3:54159 <-> ENABLED <-> SERVER-OTHER Cisco IOS IKE2 invalid port denial of service attempt (server-other.rules)

2021-08-03 19:35:03 UTC

Snort Subscriber Rules Update

Date: 2021-08-03

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:


 * 1:57975 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Raccoon variant outbound request detected (malware-cnc.rules)
 * 3:57977 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1349 attack attempt (file-other.rules)
 * 3:57979 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1351 attack attempt (file-other.rules)
 * 3:57978 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1351 attack attempt (file-other.rules)
 * 3:57976 <-> ENABLED <-> FILE-OTHER TRUFFLEHUNTER TALOS-2021-1349 attack attempt (file-other.rules)

Modified Rules:


 * 3:54159 <-> ENABLED <-> SERVER-OTHER Cisco IOS IKE2 invalid port denial of service attempt (server-other.rules)
 * 3:54160 <-> ENABLED <-> SERVER-OTHER Cisco IOS IKE2 invalid port denial of service attempt (server-other.rules)

2021-08-03 19:35:03 UTC

Snort Subscriber Rules Update

Date: 2021-08-03

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:


 * 1:57975 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Raccoon variant outbound request detected (snort3-malware-cnc.rules)

Modified Rules:



2021-08-03 19:35:03 UTC

Snort Subscriber Rules Update

Date: 2021-08-03

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:


 * 1:57975 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Raccoon variant outbound request detected (malware-cnc.rules)

Modified Rules:



2021-08-03 19:37:30 UTC

Snort Subscriber Rules Update

Date: 2021-08-03-001

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:

* 1:57975 <-> MALWARE-CNC Win.Trojan.Raccoon variant outbound request detected

Modified Rules:



2021-08-03 19:37:30 UTC

Snort Subscriber Rules Update

Date: 2021-08-03-001

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:

* 1:57975 <-> MALWARE-CNC Win.Trojan.Raccoon variant outbound request detected

Modified Rules:



2021-08-03 19:37:30 UTC

Snort Subscriber Rules Update

Date: 2021-08-03-001

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:

* 1:57975 <-> MALWARE-CNC Win.Trojan.Raccoon variant outbound request detected

Modified Rules:



2021-08-03 19:37:30 UTC

Snort Subscriber Rules Update

Date: 2021-08-03-001

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:

* 1:57975 <-> MALWARE-CNC Win.Trojan.Raccoon variant outbound request detected

Modified Rules:



2021-08-03 19:37:30 UTC

Snort Subscriber Rules Update

Date: 2021-08-03-001

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:

* 1:57975 <-> MALWARE-CNC Win.Trojan.Raccoon variant outbound request detected

Modified Rules:



2021-08-03 19:37:30 UTC

Snort Subscriber Rules Update

Date: 2021-08-03-001

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:

* 1:57975 <-> MALWARE-CNC Win.Trojan.Raccoon variant outbound request detected

Modified Rules:



2021-08-03 19:37:30 UTC

Snort Subscriber Rules Update

Date: 2021-08-03-001

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:

* 1:57975 <-> MALWARE-CNC Win.Trojan.Raccoon variant outbound request detected

Modified Rules:



2021-08-03 19:37:30 UTC

Snort Subscriber Rules Update

Date: 2021-08-03-001

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:

* 1:57975 <-> MALWARE-CNC Win.Trojan.Raccoon variant outbound request detected

Modified Rules: