Talos Rules 2026-10-15
This release adds and modifies rules in several categories.

Talos has added and modified multiple rules in the malware-cnc, malware-other, os-windows 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

2026-10-15 13:02:51 UTC

Snort Subscriber Rules Update

Date: 2026-10-15

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:


 * 1:67323 <-> ENABLED <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt (server-webapp.rules)
 * 1:67324 <-> ENABLED <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt (server-webapp.rules)
 * 1:67325 <-> DISABLED <-> OS-WINDOWS Microsoft Windows Win32k elevation of privilege attempt (os-windows.rules)
 * 1:67326 <-> DISABLED <-> OS-WINDOWS Microsoft Windows Win32k elevation of privilege attempt (os-windows.rules)
 * 1:67327 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.SSDPShell variant download attempt (malware-other.rules)
 * 1:67328 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.SSDPShell variant download attempt (malware-other.rules)
 * 1:67329 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.PickleShell variant download attempt (malware-other.rules)
 * 1:67330 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.PickleShell variant download attempt (malware-other.rules)
 * 1:67331 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.LAPLAS variant download attempt (malware-other.rules)
 * 1:67332 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.LAPLAS variant download attempt (malware-other.rules)
 * 1:67333 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.Chvost variant download attempt (malware-other.rules)
 * 1:67334 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.Chvost variant download attempt (malware-other.rules)
 * 1:67335 <-> DISABLED <-> MALWARE-CNC Win.Trojan.Chvost variant communication attempt (malware-cnc.rules)
 * 1:67336 <-> DISABLED <-> OS-WINDOWS Microsoft Windows AppX Deployment Service elevation of privilege attempt (os-windows.rules)
 * 1:67337 <-> DISABLED <-> OS-WINDOWS Microsoft Windows AppX Deployment Service elevation of privilege attempt (os-windows.rules)

Modified Rules:


 * 1:32959 <-> DISABLED <-> PROTOCOL-DNS Microsoft SMTP excessive answer records buffer overflow attempt (protocol-dns.rules)
 * 1:66514 <-> ENABLED <-> MALWARE-CNC Win.Infostealer.XWorm variant communication (malware-cnc.rules)

29181

2026-10-15 13:02:51 UTC

Snort Subscriber Rules Update

Date: 2026-10-15

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:


 * 1:67337 <-> DISABLED <-> OS-WINDOWS Microsoft Windows AppX Deployment Service elevation of privilege attempt (os-windows.rules)
 * 1:67336 <-> DISABLED <-> OS-WINDOWS Microsoft Windows AppX Deployment Service elevation of privilege attempt (os-windows.rules)
 * 1:67323 <-> ENABLED <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt (server-webapp.rules)
 * 1:67324 <-> ENABLED <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt (server-webapp.rules)
 * 1:67325 <-> DISABLED <-> OS-WINDOWS Microsoft Windows Win32k elevation of privilege attempt (os-windows.rules)
 * 1:67326 <-> DISABLED <-> OS-WINDOWS Microsoft Windows Win32k elevation of privilege attempt (os-windows.rules)
 * 1:67328 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.SSDPShell variant download attempt (malware-other.rules)
 * 1:67327 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.SSDPShell variant download attempt (malware-other.rules)
 * 1:67330 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.PickleShell variant download attempt (malware-other.rules)
 * 1:67331 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.LAPLAS variant download attempt (malware-other.rules)
 * 1:67332 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.LAPLAS variant download attempt (malware-other.rules)
 * 1:67333 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.Chvost variant download attempt (malware-other.rules)
 * 1:67334 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.Chvost variant download attempt (malware-other.rules)
 * 1:67329 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.PickleShell variant download attempt (malware-other.rules)
 * 1:67335 <-> DISABLED <-> MALWARE-CNC Win.Trojan.Chvost variant communication attempt (malware-cnc.rules)

Modified Rules:


 * 1:32959 <-> DISABLED <-> PROTOCOL-DNS Microsoft SMTP excessive answer records buffer overflow attempt (protocol-dns.rules)
 * 1:66514 <-> ENABLED <-> MALWARE-CNC Win.Infostealer.XWorm variant communication (malware-cnc.rules)

29171

2026-10-15 13:02:51 UTC

Snort Subscriber Rules Update

Date: 2026-10-15

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:


 * 1:67335 <-> DISABLED <-> MALWARE-CNC Win.Trojan.Chvost variant communication attempt (malware-cnc.rules)
 * 1:67323 <-> ENABLED <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt (server-webapp.rules)
 * 1:67336 <-> DISABLED <-> OS-WINDOWS Microsoft Windows AppX Deployment Service elevation of privilege attempt (os-windows.rules)
 * 1:67337 <-> DISABLED <-> OS-WINDOWS Microsoft Windows AppX Deployment Service elevation of privilege attempt (os-windows.rules)
 * 1:67325 <-> DISABLED <-> OS-WINDOWS Microsoft Windows Win32k elevation of privilege attempt (os-windows.rules)
 * 1:67327 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.SSDPShell variant download attempt (malware-other.rules)
 * 1:67326 <-> DISABLED <-> OS-WINDOWS Microsoft Windows Win32k elevation of privilege attempt (os-windows.rules)
 * 1:67329 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.PickleShell variant download attempt (malware-other.rules)
 * 1:67330 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.PickleShell variant download attempt (malware-other.rules)
 * 1:67331 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.LAPLAS variant download attempt (malware-other.rules)
 * 1:67332 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.LAPLAS variant download attempt (malware-other.rules)
 * 1:67328 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.SSDPShell variant download attempt (malware-other.rules)
 * 1:67334 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.Chvost variant download attempt (malware-other.rules)
 * 1:67324 <-> ENABLED <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt (server-webapp.rules)
 * 1:67333 <-> DISABLED <-> MALWARE-OTHER Win.Trojan.Chvost variant download attempt (malware-other.rules)

Modified Rules:


 * 1:32959 <-> DISABLED <-> PROTOCOL-DNS Microsoft SMTP excessive answer records buffer overflow attempt (protocol-dns.rules)
 * 1:66514 <-> ENABLED <-> MALWARE-CNC Win.Infostealer.XWorm variant communication (malware-cnc.rules)

3200

2026-10-15 13:06:31 UTC

Snort Subscriber Rules Update

Date: 2026-10-14-002

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:

* 1:301719 <-> OS-WINDOWS Microsoft Windows Win32k elevation of privilege attempt
* 1:301720 <-> MALWARE-OTHER Win.Trojan.SSDPShell variant download attempt
* 1:301721 <-> MALWARE-OTHER Win.Trojan.PickleShell variant download attempt
* 1:301722 <-> MALWARE-OTHER Win.Trojan.LAPLAS variant download attempt
* 1:301723 <-> MALWARE-OTHER Win.Trojan.Chvost variant download attempt
* 1:301724 <-> OS-WINDOWS Microsoft Windows AppX Deployment Service elevation of privilege attempt
* 1:67323 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67324 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67335 <-> MALWARE-CNC Win.Trojan.Chvost variant communication attempt

Modified Rules:

* 1:32959 <-> PROTOCOL-DNS Microsoft SMTP excessive answer records buffer overflow attempt
* 7:10 <-> MALWARE-CNC Win.Infostealer.XWorm variant communication

3351

2026-10-15 13:06:31 UTC

Snort Subscriber Rules Update

Date: 2026-10-14-002

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:

* 1:301719 <-> OS-WINDOWS Microsoft Windows Win32k elevation of privilege attempt
* 1:301720 <-> MALWARE-OTHER Win.Trojan.SSDPShell variant download attempt
* 1:301721 <-> MALWARE-OTHER Win.Trojan.PickleShell variant download attempt
* 1:301722 <-> MALWARE-OTHER Win.Trojan.LAPLAS variant download attempt
* 1:301723 <-> MALWARE-OTHER Win.Trojan.Chvost variant download attempt
* 1:301724 <-> OS-WINDOWS Microsoft Windows AppX Deployment Service elevation of privilege attempt
* 1:67323 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67324 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67335 <-> MALWARE-CNC Win.Trojan.Chvost variant communication attempt

Modified Rules:

* 1:32959 <-> PROTOCOL-DNS Microsoft SMTP excessive answer records buffer overflow attempt
* 7:10 <-> MALWARE-CNC Win.Infostealer.XWorm variant communication

3360

2026-10-15 13:06:31 UTC

Snort Subscriber Rules Update

Date: 2026-10-14-002

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:

* 1:301719 <-> OS-WINDOWS Microsoft Windows Win32k elevation of privilege attempt
* 1:301720 <-> MALWARE-OTHER Win.Trojan.SSDPShell variant download attempt
* 1:301721 <-> MALWARE-OTHER Win.Trojan.PickleShell variant download attempt
* 1:301722 <-> MALWARE-OTHER Win.Trojan.LAPLAS variant download attempt
* 1:301723 <-> MALWARE-OTHER Win.Trojan.Chvost variant download attempt
* 1:301724 <-> OS-WINDOWS Microsoft Windows AppX Deployment Service elevation of privilege attempt
* 1:67323 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67324 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67335 <-> MALWARE-CNC Win.Trojan.Chvost variant communication attempt

Modified Rules:

* 1:32959 <-> PROTOCOL-DNS Microsoft SMTP excessive answer records buffer overflow attempt
* 7:10 <-> MALWARE-CNC Win.Infostealer.XWorm variant communication

3370

2026-10-15 13:06:31 UTC

Snort Subscriber Rules Update

Date: 2026-10-14-002

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:

* 1:301719 <-> OS-WINDOWS Microsoft Windows Win32k elevation of privilege attempt
* 1:301720 <-> MALWARE-OTHER Win.Trojan.SSDPShell variant download attempt
* 1:301721 <-> MALWARE-OTHER Win.Trojan.PickleShell variant download attempt
* 1:301722 <-> MALWARE-OTHER Win.Trojan.LAPLAS variant download attempt
* 1:301723 <-> MALWARE-OTHER Win.Trojan.Chvost variant download attempt
* 1:301724 <-> OS-WINDOWS Microsoft Windows AppX Deployment Service elevation of privilege attempt
* 1:67323 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67324 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67335 <-> MALWARE-CNC Win.Trojan.Chvost variant communication attempt

Modified Rules:

* 1:32959 <-> PROTOCOL-DNS Microsoft SMTP excessive answer records buffer overflow attempt
* 7:10 <-> MALWARE-CNC Win.Infostealer.XWorm variant communication

3700

2026-10-15 13:06:31 UTC

Snort Subscriber Rules Update

Date: 2026-10-14-002

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:

* 1:301719 <-> OS-WINDOWS Microsoft Windows Win32k elevation of privilege attempt
* 1:301720 <-> MALWARE-OTHER Win.Trojan.SSDPShell variant download attempt
* 1:301721 <-> MALWARE-OTHER Win.Trojan.PickleShell variant download attempt
* 1:301722 <-> MALWARE-OTHER Win.Trojan.LAPLAS variant download attempt
* 1:301723 <-> MALWARE-OTHER Win.Trojan.Chvost variant download attempt
* 1:301724 <-> OS-WINDOWS Microsoft Windows AppX Deployment Service elevation of privilege attempt
* 1:67323 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67324 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67335 <-> MALWARE-CNC Win.Trojan.Chvost variant communication attempt

Modified Rules:

* 1:32959 <-> PROTOCOL-DNS Microsoft SMTP excessive answer records buffer overflow attempt
* 7:10 <-> MALWARE-CNC Win.Infostealer.XWorm variant communication

3900

2026-10-15 13:06:31 UTC

Snort Subscriber Rules Update

Date: 2026-10-14-002

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:

* 1:301719 <-> OS-WINDOWS Microsoft Windows Win32k elevation of privilege attempt
* 1:301720 <-> MALWARE-OTHER Win.Trojan.SSDPShell variant download attempt
* 1:301721 <-> MALWARE-OTHER Win.Trojan.PickleShell variant download attempt
* 1:301722 <-> MALWARE-OTHER Win.Trojan.LAPLAS variant download attempt
* 1:301723 <-> MALWARE-OTHER Win.Trojan.Chvost variant download attempt
* 1:301724 <-> OS-WINDOWS Microsoft Windows AppX Deployment Service elevation of privilege attempt
* 1:67323 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67324 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67335 <-> MALWARE-CNC Win.Trojan.Chvost variant communication attempt

Modified Rules:

* 1:32959 <-> PROTOCOL-DNS Microsoft SMTP excessive answer records buffer overflow attempt
* 7:10 <-> MALWARE-CNC Win.Infostealer.XWorm variant communication

31110

2026-10-15 13:06:31 UTC

Snort Subscriber Rules Update

Date: 2026-10-14-002

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:

* 1:301719 <-> OS-WINDOWS Microsoft Windows Win32k elevation of privilege attempt
* 1:301720 <-> MALWARE-OTHER Win.Trojan.SSDPShell variant download attempt
* 1:301721 <-> MALWARE-OTHER Win.Trojan.PickleShell variant download attempt
* 1:301722 <-> MALWARE-OTHER Win.Trojan.LAPLAS variant download attempt
* 1:301723 <-> MALWARE-OTHER Win.Trojan.Chvost variant download attempt
* 1:301724 <-> OS-WINDOWS Microsoft Windows AppX Deployment Service elevation of privilege attempt
* 1:67323 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67324 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67335 <-> MALWARE-CNC Win.Trojan.Chvost variant communication attempt

Modified Rules:

* 1:32959 <-> PROTOCOL-DNS Microsoft SMTP excessive answer records buffer overflow attempt
* 7:10 <-> MALWARE-CNC Win.Infostealer.XWorm variant communication

31150

2026-10-15 13:06:31 UTC

Snort Subscriber Rules Update

Date: 2026-10-14-002

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:

* 1:301719 <-> OS-WINDOWS Microsoft Windows Win32k elevation of privilege attempt
* 1:301720 <-> MALWARE-OTHER Win.Trojan.SSDPShell variant download attempt
* 1:301721 <-> MALWARE-OTHER Win.Trojan.PickleShell variant download attempt
* 1:301722 <-> MALWARE-OTHER Win.Trojan.LAPLAS variant download attempt
* 1:301723 <-> MALWARE-OTHER Win.Trojan.Chvost variant download attempt
* 1:301724 <-> OS-WINDOWS Microsoft Windows AppX Deployment Service elevation of privilege attempt
* 1:67323 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67324 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67335 <-> MALWARE-CNC Win.Trojan.Chvost variant communication attempt

Modified Rules:

* 1:32959 <-> PROTOCOL-DNS Microsoft SMTP excessive answer records buffer overflow attempt
* 7:10 <-> MALWARE-CNC Win.Infostealer.XWorm variant communication

31180

2026-10-15 13:06:31 UTC

Snort Subscriber Rules Update

Date: 2026-10-14-002

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:

* 1:301719 <-> OS-WINDOWS Microsoft Windows Win32k elevation of privilege attempt
* 1:301720 <-> MALWARE-OTHER Win.Trojan.SSDPShell variant download attempt
* 1:301721 <-> MALWARE-OTHER Win.Trojan.PickleShell variant download attempt
* 1:301722 <-> MALWARE-OTHER Win.Trojan.LAPLAS variant download attempt
* 1:301723 <-> MALWARE-OTHER Win.Trojan.Chvost variant download attempt
* 1:301724 <-> OS-WINDOWS Microsoft Windows AppX Deployment Service elevation of privilege attempt
* 1:67323 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67324 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67335 <-> MALWARE-CNC Win.Trojan.Chvost variant communication attempt

Modified Rules:

* 1:32959 <-> PROTOCOL-DNS Microsoft SMTP excessive answer records buffer overflow attempt
* 7:10 <-> MALWARE-CNC Win.Infostealer.XWorm variant communication

31200

2026-10-15 13:06:31 UTC

Snort Subscriber Rules Update

Date: 2026-10-14-002

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:

* 1:301719 <-> OS-WINDOWS Microsoft Windows Win32k elevation of privilege attempt
* 1:301720 <-> MALWARE-OTHER Win.Trojan.SSDPShell variant download attempt
* 1:301721 <-> MALWARE-OTHER Win.Trojan.PickleShell variant download attempt
* 1:301722 <-> MALWARE-OTHER Win.Trojan.LAPLAS variant download attempt
* 1:301723 <-> MALWARE-OTHER Win.Trojan.Chvost variant download attempt
* 1:301724 <-> OS-WINDOWS Microsoft Windows AppX Deployment Service elevation of privilege attempt
* 1:67323 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67324 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67335 <-> MALWARE-CNC Win.Trojan.Chvost variant communication attempt

Modified Rules:

* 1:32959 <-> PROTOCOL-DNS Microsoft SMTP excessive answer records buffer overflow attempt
* 7:10 <-> MALWARE-CNC Win.Infostealer.XWorm variant communication

31210

2026-10-15 13:06:31 UTC

Snort Subscriber Rules Update

Date: 2026-10-14-002

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:

* 1:301719 <-> OS-WINDOWS Microsoft Windows Win32k elevation of privilege attempt
* 1:301720 <-> MALWARE-OTHER Win.Trojan.SSDPShell variant download attempt
* 1:301721 <-> MALWARE-OTHER Win.Trojan.PickleShell variant download attempt
* 1:301722 <-> MALWARE-OTHER Win.Trojan.LAPLAS variant download attempt
* 1:301723 <-> MALWARE-OTHER Win.Trojan.Chvost variant download attempt
* 1:301724 <-> OS-WINDOWS Microsoft Windows AppX Deployment Service elevation of privilege attempt
* 1:67323 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67324 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67335 <-> MALWARE-CNC Win.Trojan.Chvost variant communication attempt

Modified Rules:

* 1:32959 <-> PROTOCOL-DNS Microsoft SMTP excessive answer records buffer overflow attempt
* 7:10 <-> MALWARE-CNC Win.Infostealer.XWorm variant communication

31350

2026-10-15 13:06:31 UTC

Snort Subscriber Rules Update

Date: 2026-10-14-002

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:

* 1:301719 <-> OS-WINDOWS Microsoft Windows Win32k elevation of privilege attempt
* 1:301720 <-> MALWARE-OTHER Win.Trojan.SSDPShell variant download attempt
* 1:301721 <-> MALWARE-OTHER Win.Trojan.PickleShell variant download attempt
* 1:301722 <-> MALWARE-OTHER Win.Trojan.LAPLAS variant download attempt
* 1:301723 <-> MALWARE-OTHER Win.Trojan.Chvost variant download attempt
* 1:301724 <-> OS-WINDOWS Microsoft Windows AppX Deployment Service elevation of privilege attempt
* 1:67323 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67324 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67335 <-> MALWARE-CNC Win.Trojan.Chvost variant communication attempt

Modified Rules:

* 1:32959 <-> PROTOCOL-DNS Microsoft SMTP excessive answer records buffer overflow attempt
* 7:10 <-> MALWARE-CNC Win.Infostealer.XWorm variant communication

31440

2026-10-15 13:06:31 UTC

Snort Subscriber Rules Update

Date: 2026-10-14-002

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:

* 1:301719 <-> OS-WINDOWS Microsoft Windows Win32k elevation of privilege attempt
* 1:301720 <-> MALWARE-OTHER Win.Trojan.SSDPShell variant download attempt
* 1:301721 <-> MALWARE-OTHER Win.Trojan.PickleShell variant download attempt
* 1:301722 <-> MALWARE-OTHER Win.Trojan.LAPLAS variant download attempt
* 1:301723 <-> MALWARE-OTHER Win.Trojan.Chvost variant download attempt
* 1:301724 <-> OS-WINDOWS Microsoft Windows AppX Deployment Service elevation of privilege attempt
* 1:67323 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67324 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67335 <-> MALWARE-CNC Win.Trojan.Chvost variant communication attempt

Modified Rules:

* 1:32959 <-> PROTOCOL-DNS Microsoft SMTP excessive answer records buffer overflow attempt
* 7:10 <-> MALWARE-CNC Win.Infostealer.XWorm variant communication

31470

2026-10-15 13:06:31 UTC

Snort Subscriber Rules Update

Date: 2026-10-14-002

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:

* 1:301719 <-> OS-WINDOWS Microsoft Windows Win32k elevation of privilege attempt
* 1:301720 <-> MALWARE-OTHER Win.Trojan.SSDPShell variant download attempt
* 1:301721 <-> MALWARE-OTHER Win.Trojan.PickleShell variant download attempt
* 1:301722 <-> MALWARE-OTHER Win.Trojan.LAPLAS variant download attempt
* 1:301723 <-> MALWARE-OTHER Win.Trojan.Chvost variant download attempt
* 1:301724 <-> OS-WINDOWS Microsoft Windows AppX Deployment Service elevation of privilege attempt
* 1:67323 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67324 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67335 <-> MALWARE-CNC Win.Trojan.Chvost variant communication attempt

Modified Rules:

* 1:32959 <-> PROTOCOL-DNS Microsoft SMTP excessive answer records buffer overflow attempt
* 7:10 <-> MALWARE-CNC Win.Infostealer.XWorm variant communication

31100

2026-10-15 13:06:31 UTC

Snort Subscriber Rules Update

Date: 2026-10-14-002

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:

* 1:301719 <-> OS-WINDOWS Microsoft Windows Win32k elevation of privilege attempt
* 1:301720 <-> MALWARE-OTHER Win.Trojan.SSDPShell variant download attempt
* 1:301721 <-> MALWARE-OTHER Win.Trojan.PickleShell variant download attempt
* 1:301722 <-> MALWARE-OTHER Win.Trojan.LAPLAS variant download attempt
* 1:301723 <-> MALWARE-OTHER Win.Trojan.Chvost variant download attempt
* 1:301724 <-> OS-WINDOWS Microsoft Windows AppX Deployment Service elevation of privilege attempt
* 1:67323 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67324 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67335 <-> MALWARE-CNC Win.Trojan.Chvost variant communication attempt

Modified Rules:

* 1:32959 <-> PROTOCOL-DNS Microsoft SMTP excessive answer records buffer overflow attempt
* 7:10 <-> MALWARE-CNC Win.Infostealer.XWorm variant communication

31200

2026-10-15 13:06:31 UTC

Snort Subscriber Rules Update

Date: 2026-10-14-002

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:

* 1:301719 <-> OS-WINDOWS Microsoft Windows Win32k elevation of privilege attempt
* 1:301720 <-> MALWARE-OTHER Win.Trojan.SSDPShell variant download attempt
* 1:301721 <-> MALWARE-OTHER Win.Trojan.PickleShell variant download attempt
* 1:301722 <-> MALWARE-OTHER Win.Trojan.LAPLAS variant download attempt
* 1:301723 <-> MALWARE-OTHER Win.Trojan.Chvost variant download attempt
* 1:301724 <-> OS-WINDOWS Microsoft Windows AppX Deployment Service elevation of privilege attempt
* 1:67323 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67324 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67335 <-> MALWARE-CNC Win.Trojan.Chvost variant communication attempt

Modified Rules:

* 1:32959 <-> PROTOCOL-DNS Microsoft SMTP excessive answer records buffer overflow attempt
* 7:10 <-> MALWARE-CNC Win.Infostealer.XWorm variant communication

31300

2026-10-15 13:06:31 UTC

Snort Subscriber Rules Update

Date: 2026-10-14-002

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.13.0.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:301719 <-> OS-WINDOWS Microsoft Windows Win32k elevation of privilege attempt
* 1:301720 <-> MALWARE-OTHER Win.Trojan.SSDPShell variant download attempt
* 1:301721 <-> MALWARE-OTHER Win.Trojan.PickleShell variant download attempt
* 1:301722 <-> MALWARE-OTHER Win.Trojan.LAPLAS variant download attempt
* 1:301723 <-> MALWARE-OTHER Win.Trojan.Chvost variant download attempt
* 1:301724 <-> OS-WINDOWS Microsoft Windows AppX Deployment Service elevation of privilege attempt
* 1:67323 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67324 <-> SERVER-WEBAPP Atlassian multiple products arbitrary file access attempt
* 1:67335 <-> MALWARE-CNC Win.Trojan.Chvost variant communication attempt

Modified Rules:

* 1:32959 <-> PROTOCOL-DNS Microsoft SMTP excessive answer records buffer overflow attempt
* 7:10 <-> MALWARE-CNC Win.Infostealer.XWorm variant communication