Talos Rules 2026-04-30
This release adds and modifies rules in several categories.

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

For information about Snort Subscriber Rulesets available for purchase, please visit the Snort product page.

Change logs

29200

2026-04-30 15:07:17 UTC

Snort Subscriber Rules Update

Date: 2026-04-30

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 2092000.

The format of the file is:

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

New Rules:


 * 1:66398 <-> DISABLED <-> MALWARE-CNC Win.Trojan.BadIIS variant outbound connection attempt (malware-cnc.rules)
 * 1:66399 <-> DISABLED <-> MALWARE-CNC Win.Trojan.BadIIS variant inbound connection attempt (malware-cnc.rules)
 * 1:66400 <-> DISABLED <-> MALWARE-CNC Win.Trojan.BadIIS variant inbound connection (malware-cnc.rules)
 * 1:66405 <-> ENABLED <-> SERVER-WEBAPP Spinnaker Clouddriver command injection attempt (server-webapp.rules)
 * 1:66408 <-> DISABLED <-> MALWARE-CNC Win.Trojan.CloudZ variant outbound communication (malware-cnc.rules)
 * 1:66409 <-> DISABLED <-> MALWARE-CNC Win.Trojan.CloudZ variant download attempt (malware-cnc.rules)
 * 1:66410 <-> DISABLED <-> MALWARE-CNC Win.Trojan.CloudZ variant download attempt (malware-cnc.rules)
 * 1:66413 <-> ENABLED <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt (server-webapp.rules)
 * 1:66414 <-> ENABLED <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt (server-webapp.rules)
 * 1:66415 <-> ENABLED <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt (server-webapp.rules)
 * 3:66412 <-> ENABLED <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt (os-other.rules)
 * 3:66401 <-> ENABLED <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt (server-webapp.rules)
 * 3:66402 <-> ENABLED <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt (server-webapp.rules)
 * 3:66403 <-> ENABLED <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt (server-webapp.rules)
 * 3:66404 <-> ENABLED <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt (server-webapp.rules)
 * 3:66406 <-> ENABLED <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt (os-other.rules)
 * 3:66407 <-> ENABLED <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt (os-other.rules)
 * 3:66411 <-> ENABLED <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt (os-other.rules)

Modified Rules:


 * 1:65568 <-> DISABLED <-> SERVER-WEBAPP Adminer server side request forgery attempt (server-webapp.rules)
 * 1:65569 <-> DISABLED <-> SERVER-WEBAPP Adminer server side request forgery attempt (server-webapp.rules)

29181

2026-04-30 15:07:17 UTC

Snort Subscriber Rules Update

Date: 2026-04-30

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

The format of the file is:

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

New Rules:


 * 1:66408 <-> DISABLED <-> MALWARE-CNC Win.Trojan.CloudZ variant outbound communication (malware-cnc.rules)
 * 1:66414 <-> ENABLED <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt (server-webapp.rules)
 * 1:66415 <-> ENABLED <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt (server-webapp.rules)
 * 1:66398 <-> DISABLED <-> MALWARE-CNC Win.Trojan.BadIIS variant outbound connection attempt (malware-cnc.rules)
 * 1:66399 <-> DISABLED <-> MALWARE-CNC Win.Trojan.BadIIS variant inbound connection attempt (malware-cnc.rules)
 * 1:66409 <-> DISABLED <-> MALWARE-CNC Win.Trojan.CloudZ variant download attempt (malware-cnc.rules)
 * 1:66410 <-> DISABLED <-> MALWARE-CNC Win.Trojan.CloudZ variant download attempt (malware-cnc.rules)
 * 1:66413 <-> ENABLED <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt (server-webapp.rules)
 * 1:66400 <-> DISABLED <-> MALWARE-CNC Win.Trojan.BadIIS variant inbound connection (malware-cnc.rules)
 * 1:66405 <-> ENABLED <-> SERVER-WEBAPP Spinnaker Clouddriver command injection attempt (server-webapp.rules)
 * 3:66412 <-> ENABLED <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt (os-other.rules)
 * 3:66401 <-> ENABLED <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt (server-webapp.rules)
 * 3:66402 <-> ENABLED <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt (server-webapp.rules)
 * 3:66403 <-> ENABLED <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt (server-webapp.rules)
 * 3:66404 <-> ENABLED <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt (server-webapp.rules)
 * 3:66406 <-> ENABLED <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt (os-other.rules)
 * 3:66407 <-> ENABLED <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt (os-other.rules)
 * 3:66411 <-> ENABLED <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt (os-other.rules)

Modified Rules:


 * 1:65569 <-> DISABLED <-> SERVER-WEBAPP Adminer server side request forgery attempt (server-webapp.rules)
 * 1:65568 <-> DISABLED <-> SERVER-WEBAPP Adminer server side request forgery attempt (server-webapp.rules)

29171

2026-04-30 15:07:17 UTC

Snort Subscriber Rules Update

Date: 2026-04-30

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

The format of the file is:

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

New Rules:


 * 1:66408 <-> DISABLED <-> MALWARE-CNC Win.Trojan.CloudZ variant outbound communication (malware-cnc.rules)
 * 1:66415 <-> ENABLED <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt (server-webapp.rules)
 * 1:66399 <-> DISABLED <-> MALWARE-CNC Win.Trojan.BadIIS variant inbound connection attempt (malware-cnc.rules)
 * 1:66410 <-> DISABLED <-> MALWARE-CNC Win.Trojan.CloudZ variant download attempt (malware-cnc.rules)
 * 1:66405 <-> ENABLED <-> SERVER-WEBAPP Spinnaker Clouddriver command injection attempt (server-webapp.rules)
 * 1:66414 <-> ENABLED <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt (server-webapp.rules)
 * 1:66398 <-> DISABLED <-> MALWARE-CNC Win.Trojan.BadIIS variant outbound connection attempt (malware-cnc.rules)
 * 1:66413 <-> ENABLED <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt (server-webapp.rules)
 * 1:66400 <-> DISABLED <-> MALWARE-CNC Win.Trojan.BadIIS variant inbound connection (malware-cnc.rules)
 * 1:66409 <-> DISABLED <-> MALWARE-CNC Win.Trojan.CloudZ variant download attempt (malware-cnc.rules)
 * 3:66404 <-> ENABLED <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt (server-webapp.rules)
 * 3:66406 <-> ENABLED <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt (os-other.rules)
 * 3:66401 <-> ENABLED <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt (server-webapp.rules)
 * 3:66412 <-> ENABLED <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt (os-other.rules)
 * 3:66403 <-> ENABLED <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt (server-webapp.rules)
 * 3:66411 <-> ENABLED <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt (os-other.rules)
 * 3:66402 <-> ENABLED <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt (server-webapp.rules)
 * 3:66407 <-> ENABLED <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt (os-other.rules)

Modified Rules:


 * 1:65569 <-> DISABLED <-> SERVER-WEBAPP Adminer server side request forgery attempt (server-webapp.rules)
 * 1:65568 <-> DISABLED <-> SERVER-WEBAPP Adminer server side request forgery attempt (server-webapp.rules)

3200

2026-04-30 15:13:06 UTC

Snort Subscriber Rules Update

Date: 2026-04-30-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.2.0.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:301491 <-> MALWARE-CNC Win.Trojan.BadIIS variant connection attempt
* 1:301492 <-> MALWARE-CNC Win.Trojan.CloudZ variant download attempt
* 1:66400 <-> MALWARE-CNC Win.Trojan.BadIIS variant inbound connection
* 1:66405 <-> SERVER-WEBAPP Spinnaker Clouddriver command injection attempt
* 1:66408 <-> MALWARE-CNC Win.Trojan.CloudZ variant outbound communication
* 1:66413 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66414 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66415 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 3:66401 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66402 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66403 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66404 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66406 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66407 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66411 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt
* 3:66412 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt

Modified Rules:

* 1:65568 <-> SERVER-WEBAPP Adminer server side request forgery attempt
* 1:65569 <-> SERVER-WEBAPP Adminer server side request forgery attempt

3351

2026-04-30 15:13:06 UTC

Snort Subscriber Rules Update

Date: 2026-04-30-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.3.5.1.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:301491 <-> MALWARE-CNC Win.Trojan.BadIIS variant connection attempt
* 1:301492 <-> MALWARE-CNC Win.Trojan.CloudZ variant download attempt
* 1:66400 <-> MALWARE-CNC Win.Trojan.BadIIS variant inbound connection
* 1:66405 <-> SERVER-WEBAPP Spinnaker Clouddriver command injection attempt
* 1:66408 <-> MALWARE-CNC Win.Trojan.CloudZ variant outbound communication
* 1:66413 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66414 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66415 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 3:66401 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66402 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66403 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66404 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66406 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66407 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66411 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt
* 3:66412 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt

Modified Rules:

* 1:65568 <-> SERVER-WEBAPP Adminer server side request forgery attempt
* 1:65569 <-> SERVER-WEBAPP Adminer server side request forgery attempt

3360

2026-04-30 15:13:06 UTC

Snort Subscriber Rules Update

Date: 2026-04-30-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.3.6.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:301491 <-> MALWARE-CNC Win.Trojan.BadIIS variant connection attempt
* 1:301492 <-> MALWARE-CNC Win.Trojan.CloudZ variant download attempt
* 1:66400 <-> MALWARE-CNC Win.Trojan.BadIIS variant inbound connection
* 1:66405 <-> SERVER-WEBAPP Spinnaker Clouddriver command injection attempt
* 1:66408 <-> MALWARE-CNC Win.Trojan.CloudZ variant outbound communication
* 1:66413 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66414 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66415 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 3:66401 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66402 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66403 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66404 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66406 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66407 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66411 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt
* 3:66412 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt

Modified Rules:

* 1:65568 <-> SERVER-WEBAPP Adminer server side request forgery attempt
* 1:65569 <-> SERVER-WEBAPP Adminer server side request forgery attempt

3370

2026-04-30 15:13:06 UTC

Snort Subscriber Rules Update

Date: 2026-04-30-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.3.7.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:301491 <-> MALWARE-CNC Win.Trojan.BadIIS variant connection attempt
* 1:301492 <-> MALWARE-CNC Win.Trojan.CloudZ variant download attempt
* 1:66400 <-> MALWARE-CNC Win.Trojan.BadIIS variant inbound connection
* 1:66405 <-> SERVER-WEBAPP Spinnaker Clouddriver command injection attempt
* 1:66408 <-> MALWARE-CNC Win.Trojan.CloudZ variant outbound communication
* 1:66413 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66414 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66415 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 3:66401 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66402 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66403 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66404 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66406 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66407 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66411 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt
* 3:66412 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt

Modified Rules:

* 1:65568 <-> SERVER-WEBAPP Adminer server side request forgery attempt
* 1:65569 <-> SERVER-WEBAPP Adminer server side request forgery attempt

3700

2026-04-30 15:13:06 UTC

Snort Subscriber Rules Update

Date: 2026-04-30-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.7.0.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:301491 <-> MALWARE-CNC Win.Trojan.BadIIS variant connection attempt
* 1:301492 <-> MALWARE-CNC Win.Trojan.CloudZ variant download attempt
* 1:66400 <-> MALWARE-CNC Win.Trojan.BadIIS variant inbound connection
* 1:66405 <-> SERVER-WEBAPP Spinnaker Clouddriver command injection attempt
* 1:66408 <-> MALWARE-CNC Win.Trojan.CloudZ variant outbound communication
* 1:66413 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66414 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66415 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 3:66401 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66402 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66403 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66404 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66406 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66407 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66411 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt
* 3:66412 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt

Modified Rules:

* 1:65568 <-> SERVER-WEBAPP Adminer server side request forgery attempt
* 1:65569 <-> SERVER-WEBAPP Adminer server side request forgery attempt

3900

2026-04-30 15:13:06 UTC

Snort Subscriber Rules Update

Date: 2026-04-30-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.9.0.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:301491 <-> MALWARE-CNC Win.Trojan.BadIIS variant connection attempt
* 1:301492 <-> MALWARE-CNC Win.Trojan.CloudZ variant download attempt
* 1:66400 <-> MALWARE-CNC Win.Trojan.BadIIS variant inbound connection
* 1:66405 <-> SERVER-WEBAPP Spinnaker Clouddriver command injection attempt
* 1:66408 <-> MALWARE-CNC Win.Trojan.CloudZ variant outbound communication
* 1:66413 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66414 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66415 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 3:66401 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66402 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66403 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66404 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66406 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66407 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66411 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt
* 3:66412 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt

Modified Rules:

* 1:65568 <-> SERVER-WEBAPP Adminer server side request forgery attempt
* 1:65569 <-> SERVER-WEBAPP Adminer server side request forgery attempt

31110

2026-04-30 15:13:06 UTC

Snort Subscriber Rules Update

Date: 2026-04-30-001

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

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:301491 <-> MALWARE-CNC Win.Trojan.BadIIS variant connection attempt
* 1:301492 <-> MALWARE-CNC Win.Trojan.CloudZ variant download attempt
* 1:66400 <-> MALWARE-CNC Win.Trojan.BadIIS variant inbound connection
* 1:66405 <-> SERVER-WEBAPP Spinnaker Clouddriver command injection attempt
* 1:66408 <-> MALWARE-CNC Win.Trojan.CloudZ variant outbound communication
* 1:66413 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66414 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66415 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 3:66401 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66402 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66403 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66404 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66406 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66407 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66411 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt
* 3:66412 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt

Modified Rules:

* 1:65568 <-> SERVER-WEBAPP Adminer server side request forgery attempt
* 1:65569 <-> SERVER-WEBAPP Adminer server side request forgery attempt

31150

2026-04-30 15:13:06 UTC

Snort Subscriber Rules Update

Date: 2026-04-30-001

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

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:301491 <-> MALWARE-CNC Win.Trojan.BadIIS variant connection attempt
* 1:301492 <-> MALWARE-CNC Win.Trojan.CloudZ variant download attempt
* 1:66400 <-> MALWARE-CNC Win.Trojan.BadIIS variant inbound connection
* 1:66405 <-> SERVER-WEBAPP Spinnaker Clouddriver command injection attempt
* 1:66408 <-> MALWARE-CNC Win.Trojan.CloudZ variant outbound communication
* 1:66413 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66414 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66415 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 3:66401 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66402 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66403 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66404 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66406 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66407 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66411 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt
* 3:66412 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt

Modified Rules:

* 1:65568 <-> SERVER-WEBAPP Adminer server side request forgery attempt
* 1:65569 <-> SERVER-WEBAPP Adminer server side request forgery attempt

31180

2026-04-30 15:13:06 UTC

Snort Subscriber Rules Update

Date: 2026-04-30-001

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

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:301491 <-> MALWARE-CNC Win.Trojan.BadIIS variant connection attempt
* 1:301492 <-> MALWARE-CNC Win.Trojan.CloudZ variant download attempt
* 1:66400 <-> MALWARE-CNC Win.Trojan.BadIIS variant inbound connection
* 1:66405 <-> SERVER-WEBAPP Spinnaker Clouddriver command injection attempt
* 1:66408 <-> MALWARE-CNC Win.Trojan.CloudZ variant outbound communication
* 1:66413 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66414 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66415 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 3:66401 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66402 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66403 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66404 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66406 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66407 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66411 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt
* 3:66412 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt

Modified Rules:

* 1:65568 <-> SERVER-WEBAPP Adminer server side request forgery attempt
* 1:65569 <-> SERVER-WEBAPP Adminer server side request forgery attempt

31200

2026-04-30 15:13:07 UTC

Snort Subscriber Rules Update

Date: 2026-04-30-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.12.0.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:301491 <-> MALWARE-CNC Win.Trojan.BadIIS variant connection attempt
* 1:301492 <-> MALWARE-CNC Win.Trojan.CloudZ variant download attempt
* 1:66400 <-> MALWARE-CNC Win.Trojan.BadIIS variant inbound connection
* 1:66405 <-> SERVER-WEBAPP Spinnaker Clouddriver command injection attempt
* 1:66408 <-> MALWARE-CNC Win.Trojan.CloudZ variant outbound communication
* 1:66413 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66414 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66415 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 3:66401 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66402 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66403 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66404 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66406 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66407 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66411 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt
* 3:66412 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt

Modified Rules:

* 1:65568 <-> SERVER-WEBAPP Adminer server side request forgery attempt
* 1:65569 <-> SERVER-WEBAPP Adminer server side request forgery attempt

31210

2026-04-30 15:13:07 UTC

Snort Subscriber Rules Update

Date: 2026-04-30-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.1.21.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:301491 <-> MALWARE-CNC Win.Trojan.BadIIS variant connection attempt
* 1:301492 <-> MALWARE-CNC Win.Trojan.CloudZ variant download attempt
* 1:66400 <-> MALWARE-CNC Win.Trojan.BadIIS variant inbound connection
* 1:66405 <-> SERVER-WEBAPP Spinnaker Clouddriver command injection attempt
* 1:66408 <-> MALWARE-CNC Win.Trojan.CloudZ variant outbound communication
* 1:66413 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66414 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66415 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 3:66401 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66402 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66403 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66404 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66406 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66407 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66411 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt
* 3:66412 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt

Modified Rules:

* 1:65568 <-> SERVER-WEBAPP Adminer server side request forgery attempt
* 1:65569 <-> SERVER-WEBAPP Adminer server side request forgery attempt

31350

2026-04-30 15:13:07 UTC

Snort Subscriber Rules Update

Date: 2026-04-30-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.1.35.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:301491 <-> MALWARE-CNC Win.Trojan.BadIIS variant connection attempt
* 1:301492 <-> MALWARE-CNC Win.Trojan.CloudZ variant download attempt
* 1:66400 <-> MALWARE-CNC Win.Trojan.BadIIS variant inbound connection
* 1:66405 <-> SERVER-WEBAPP Spinnaker Clouddriver command injection attempt
* 1:66408 <-> MALWARE-CNC Win.Trojan.CloudZ variant outbound communication
* 1:66413 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66414 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66415 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 3:66401 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66402 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66403 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66404 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66406 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66407 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66411 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt
* 3:66412 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt

Modified Rules:

* 1:65568 <-> SERVER-WEBAPP Adminer server side request forgery attempt
* 1:65569 <-> SERVER-WEBAPP Adminer server side request forgery attempt

31440

2026-04-30 15:13:07 UTC

Snort Subscriber Rules Update

Date: 2026-04-30-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.1.44.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:301491 <-> MALWARE-CNC Win.Trojan.BadIIS variant connection attempt
* 1:301492 <-> MALWARE-CNC Win.Trojan.CloudZ variant download attempt
* 1:66400 <-> MALWARE-CNC Win.Trojan.BadIIS variant inbound connection
* 1:66405 <-> SERVER-WEBAPP Spinnaker Clouddriver command injection attempt
* 1:66408 <-> MALWARE-CNC Win.Trojan.CloudZ variant outbound communication
* 1:66413 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66414 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66415 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 3:66401 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66402 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66403 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66404 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66406 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66407 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66411 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt
* 3:66412 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt

Modified Rules:

* 1:65568 <-> SERVER-WEBAPP Adminer server side request forgery attempt
* 1:65569 <-> SERVER-WEBAPP Adminer server side request forgery attempt

31470

2026-04-30 15:13:07 UTC

Snort Subscriber Rules Update

Date: 2026-04-30-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.1.47.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:301491 <-> MALWARE-CNC Win.Trojan.BadIIS variant connection attempt
* 1:301492 <-> MALWARE-CNC Win.Trojan.CloudZ variant download attempt
* 1:66400 <-> MALWARE-CNC Win.Trojan.BadIIS variant inbound connection
* 1:66405 <-> SERVER-WEBAPP Spinnaker Clouddriver command injection attempt
* 1:66408 <-> MALWARE-CNC Win.Trojan.CloudZ variant outbound communication
* 1:66413 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66414 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66415 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 3:66401 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66402 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66403 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66404 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66406 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66407 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66411 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt
* 3:66412 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt

Modified Rules:

* 1:65568 <-> SERVER-WEBAPP Adminer server side request forgery attempt
* 1:65569 <-> SERVER-WEBAPP Adminer server side request forgery attempt

31100

2026-04-30 15:13:07 UTC

Snort Subscriber Rules Update

Date: 2026-04-30-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.11.0.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:301491 <-> MALWARE-CNC Win.Trojan.BadIIS variant connection attempt
* 1:301492 <-> MALWARE-CNC Win.Trojan.CloudZ variant download attempt
* 1:66400 <-> MALWARE-CNC Win.Trojan.BadIIS variant inbound connection
* 1:66405 <-> SERVER-WEBAPP Spinnaker Clouddriver command injection attempt
* 1:66408 <-> MALWARE-CNC Win.Trojan.CloudZ variant outbound communication
* 1:66413 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66414 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66415 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 3:66401 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66402 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66403 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66404 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66406 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66407 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66411 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt
* 3:66412 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt

Modified Rules:

* 1:65568 <-> SERVER-WEBAPP Adminer server side request forgery attempt
* 1:65569 <-> SERVER-WEBAPP Adminer server side request forgery attempt

31200

2026-04-30 15:13:07 UTC

Snort Subscriber Rules Update

Date: 2026-04-30-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.12.0.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:301491 <-> MALWARE-CNC Win.Trojan.BadIIS variant connection attempt
* 1:301492 <-> MALWARE-CNC Win.Trojan.CloudZ variant download attempt
* 1:66400 <-> MALWARE-CNC Win.Trojan.BadIIS variant inbound connection
* 1:66405 <-> SERVER-WEBAPP Spinnaker Clouddriver command injection attempt
* 1:66408 <-> MALWARE-CNC Win.Trojan.CloudZ variant outbound communication
* 1:66413 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66414 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 1:66415 <-> SERVER-WEBAPP cPanel and WHM authentication bypass attempt
* 3:66401 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66402 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66403 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66404 <-> SERVER-WEBAPP TRUFFLEHUNTER TALOS-2026-2391 attack attempt
* 3:66406 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66407 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2378 attack attempt
* 3:66411 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt
* 3:66412 <-> OS-OTHER TRUFFLEHUNTER TALOS-2026-2376 attack attempt

Modified Rules:

* 1:65568 <-> SERVER-WEBAPP Adminer server side request forgery attempt
* 1:65569 <-> SERVER-WEBAPP Adminer server side request forgery attempt