Talos Rules 2026-09-24
This release adds and modifies rules in several categories.

Talos has added and modified multiple rules in the policy-other, protocol-rpc 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

2026-09-24 11:42:05 UTC

Snort Subscriber Rules Update

Date: 2026-09-24

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:


 * 1:67153 <-> DISABLED <-> SERVER-WEBAPP N-able N-central remote code execution attempt (server-webapp.rules)
 * 1:67154 <-> DISABLED <-> SERVER-OTHER Microsoft .NET FtpWebRequest CRLF injection attempt (server-other.rules)
 * 1:67155 <-> ENABLED <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt (protocol-rpc.rules)
 * 1:67156 <-> ENABLED <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt (protocol-rpc.rules)
 * 1:67157 <-> DISABLED <-> SERVER-WEBAPP Next.js remote code execution attempt (server-webapp.rules)
 * 3:67162 <-> ENABLED <-> POLICY-OTHER Cisco Nexus Dashboard super-admin user creation detected (policy-other.rules)
 * 3:67160 <-> ENABLED <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt (server-webapp.rules)
 * 3:67158 <-> ENABLED <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt (server-webapp.rules)
 * 3:67159 <-> ENABLED <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt (server-webapp.rules)
 * 3:67161 <-> ENABLED <-> POLICY-OTHER Cisco Identity Services Engine super admin user group addition detected (policy-other.rules)
 * 3:67163 <-> ENABLED <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt (server-webapp.rules)
 * 3:67164 <-> ENABLED <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt (server-webapp.rules)
 * 3:67165 <-> ENABLED <-> SERVER-OTHER Cisco Firewall Management Center peer impersonation attempt (server-other.rules)

Modified Rules:


 * 1:65229 <-> ENABLED <-> SERVER-WEBAPP MCP-Remote command injection attempt (server-webapp.rules)

29181

2026-09-24 11:42:05 UTC

Snort Subscriber Rules Update

Date: 2026-09-24

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:


 * 1:67153 <-> DISABLED <-> SERVER-WEBAPP N-able N-central remote code execution attempt (server-webapp.rules)
 * 1:67156 <-> ENABLED <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt (protocol-rpc.rules)
 * 1:67155 <-> ENABLED <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt (protocol-rpc.rules)
 * 1:67157 <-> DISABLED <-> SERVER-WEBAPP Next.js remote code execution attempt (server-webapp.rules)
 * 1:67154 <-> DISABLED <-> SERVER-OTHER Microsoft .NET FtpWebRequest CRLF injection attempt (server-other.rules)
 * 3:67160 <-> ENABLED <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt (server-webapp.rules)
 * 3:67159 <-> ENABLED <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt (server-webapp.rules)
 * 3:67158 <-> ENABLED <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt (server-webapp.rules)
 * 3:67163 <-> ENABLED <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt (server-webapp.rules)
 * 3:67161 <-> ENABLED <-> POLICY-OTHER Cisco Identity Services Engine super admin user group addition detected (policy-other.rules)
 * 3:67165 <-> ENABLED <-> SERVER-OTHER Cisco Firewall Management Center peer impersonation attempt (server-other.rules)
 * 3:67162 <-> ENABLED <-> POLICY-OTHER Cisco Nexus Dashboard super-admin user creation detected (policy-other.rules)
 * 3:67164 <-> ENABLED <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt (server-webapp.rules)

Modified Rules:


 * 1:65229 <-> ENABLED <-> SERVER-WEBAPP MCP-Remote command injection attempt (server-webapp.rules)

29171

2026-09-24 11:42:05 UTC

Snort Subscriber Rules Update

Date: 2026-09-24

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:


 * 1:67153 <-> DISABLED <-> SERVER-WEBAPP N-able N-central remote code execution attempt (server-webapp.rules)
 * 1:67155 <-> ENABLED <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt (protocol-rpc.rules)
 * 1:67154 <-> DISABLED <-> SERVER-OTHER Microsoft .NET FtpWebRequest CRLF injection attempt (server-other.rules)
 * 1:67157 <-> DISABLED <-> SERVER-WEBAPP Next.js remote code execution attempt (server-webapp.rules)
 * 1:67156 <-> ENABLED <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt (protocol-rpc.rules)
 * 3:67159 <-> ENABLED <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt (server-webapp.rules)
 * 3:67158 <-> ENABLED <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt (server-webapp.rules)
 * 3:67160 <-> ENABLED <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt (server-webapp.rules)
 * 3:67164 <-> ENABLED <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt (server-webapp.rules)
 * 3:67165 <-> ENABLED <-> SERVER-OTHER Cisco Firewall Management Center peer impersonation attempt (server-other.rules)
 * 3:67162 <-> ENABLED <-> POLICY-OTHER Cisco Nexus Dashboard super-admin user creation detected (policy-other.rules)
 * 3:67161 <-> ENABLED <-> POLICY-OTHER Cisco Identity Services Engine super admin user group addition detected (policy-other.rules)
 * 3:67163 <-> ENABLED <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt (server-webapp.rules)

Modified Rules:


 * 1:65229 <-> ENABLED <-> SERVER-WEBAPP MCP-Remote command injection attempt (server-webapp.rules)

3200

2026-09-24 11:44:14 UTC

Snort Subscriber Rules Update

Date: 2026-09-23-001

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:

* 1:67153 <-> SERVER-WEBAPP N-able N-central remote code execution attempt
* 1:67154 <-> SERVER-OTHER Microsoft .NET FtpWebRequest CRLF injection attempt
* 1:67155 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67156 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67157 <-> SERVER-WEBAPP Next.js remote code execution attempt
* 3:67158 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67159 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67160 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67161 <-> POLICY-OTHER Cisco Identity Services Engine super admin user group addition detected
* 3:67162 <-> POLICY-OTHER Cisco Nexus Dashboard super-admin user creation detected
* 3:67163 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67164 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67165 <-> SERVER-OTHER Cisco Firewall Management Center peer impersonation attempt

Modified Rules:

* 1:65229 <-> SERVER-WEBAPP MCP-Remote command injection attempt

3351

2026-09-24 11:44:14 UTC

Snort Subscriber Rules Update

Date: 2026-09-23-001

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:

* 1:67153 <-> SERVER-WEBAPP N-able N-central remote code execution attempt
* 1:67154 <-> SERVER-OTHER Microsoft .NET FtpWebRequest CRLF injection attempt
* 1:67155 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67156 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67157 <-> SERVER-WEBAPP Next.js remote code execution attempt
* 3:67158 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67159 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67160 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67161 <-> POLICY-OTHER Cisco Identity Services Engine super admin user group addition detected
* 3:67162 <-> POLICY-OTHER Cisco Nexus Dashboard super-admin user creation detected
* 3:67163 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67164 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67165 <-> SERVER-OTHER Cisco Firewall Management Center peer impersonation attempt

Modified Rules:

* 1:65229 <-> SERVER-WEBAPP MCP-Remote command injection attempt

3360

2026-09-24 11:44:14 UTC

Snort Subscriber Rules Update

Date: 2026-09-23-001

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:

* 1:67153 <-> SERVER-WEBAPP N-able N-central remote code execution attempt
* 1:67154 <-> SERVER-OTHER Microsoft .NET FtpWebRequest CRLF injection attempt
* 1:67155 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67156 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67157 <-> SERVER-WEBAPP Next.js remote code execution attempt
* 3:67158 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67159 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67160 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67161 <-> POLICY-OTHER Cisco Identity Services Engine super admin user group addition detected
* 3:67162 <-> POLICY-OTHER Cisco Nexus Dashboard super-admin user creation detected
* 3:67163 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67164 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67165 <-> SERVER-OTHER Cisco Firewall Management Center peer impersonation attempt

Modified Rules:

* 1:65229 <-> SERVER-WEBAPP MCP-Remote command injection attempt

3370

2026-09-24 11:44:14 UTC

Snort Subscriber Rules Update

Date: 2026-09-23-001

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:

* 1:67153 <-> SERVER-WEBAPP N-able N-central remote code execution attempt
* 1:67154 <-> SERVER-OTHER Microsoft .NET FtpWebRequest CRLF injection attempt
* 1:67155 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67156 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67157 <-> SERVER-WEBAPP Next.js remote code execution attempt
* 3:67158 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67159 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67160 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67161 <-> POLICY-OTHER Cisco Identity Services Engine super admin user group addition detected
* 3:67162 <-> POLICY-OTHER Cisco Nexus Dashboard super-admin user creation detected
* 3:67163 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67164 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67165 <-> SERVER-OTHER Cisco Firewall Management Center peer impersonation attempt

Modified Rules:

* 1:65229 <-> SERVER-WEBAPP MCP-Remote command injection attempt

3700

2026-09-24 11:44:14 UTC

Snort Subscriber Rules Update

Date: 2026-09-23-001

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:

* 1:67153 <-> SERVER-WEBAPP N-able N-central remote code execution attempt
* 1:67154 <-> SERVER-OTHER Microsoft .NET FtpWebRequest CRLF injection attempt
* 1:67155 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67156 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67157 <-> SERVER-WEBAPP Next.js remote code execution attempt
* 3:67158 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67159 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67160 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67161 <-> POLICY-OTHER Cisco Identity Services Engine super admin user group addition detected
* 3:67162 <-> POLICY-OTHER Cisco Nexus Dashboard super-admin user creation detected
* 3:67163 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67164 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67165 <-> SERVER-OTHER Cisco Firewall Management Center peer impersonation attempt

Modified Rules:

* 1:65229 <-> SERVER-WEBAPP MCP-Remote command injection attempt

3900

2026-09-24 11:44:14 UTC

Snort Subscriber Rules Update

Date: 2026-09-23-001

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:

* 1:67153 <-> SERVER-WEBAPP N-able N-central remote code execution attempt
* 1:67154 <-> SERVER-OTHER Microsoft .NET FtpWebRequest CRLF injection attempt
* 1:67155 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67156 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67157 <-> SERVER-WEBAPP Next.js remote code execution attempt
* 3:67158 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67159 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67160 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67161 <-> POLICY-OTHER Cisco Identity Services Engine super admin user group addition detected
* 3:67162 <-> POLICY-OTHER Cisco Nexus Dashboard super-admin user creation detected
* 3:67163 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67164 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67165 <-> SERVER-OTHER Cisco Firewall Management Center peer impersonation attempt

Modified Rules:

* 1:65229 <-> SERVER-WEBAPP MCP-Remote command injection attempt

31110

2026-09-24 11:44:14 UTC

Snort Subscriber Rules Update

Date: 2026-09-23-001

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:

* 1:67153 <-> SERVER-WEBAPP N-able N-central remote code execution attempt
* 1:67154 <-> SERVER-OTHER Microsoft .NET FtpWebRequest CRLF injection attempt
* 1:67155 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67156 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67157 <-> SERVER-WEBAPP Next.js remote code execution attempt
* 3:67158 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67159 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67160 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67161 <-> POLICY-OTHER Cisco Identity Services Engine super admin user group addition detected
* 3:67162 <-> POLICY-OTHER Cisco Nexus Dashboard super-admin user creation detected
* 3:67163 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67164 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67165 <-> SERVER-OTHER Cisco Firewall Management Center peer impersonation attempt

Modified Rules:

* 1:65229 <-> SERVER-WEBAPP MCP-Remote command injection attempt

31150

2026-09-24 11:44:14 UTC

Snort Subscriber Rules Update

Date: 2026-09-23-001

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:

* 1:67153 <-> SERVER-WEBAPP N-able N-central remote code execution attempt
* 1:67154 <-> SERVER-OTHER Microsoft .NET FtpWebRequest CRLF injection attempt
* 1:67155 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67156 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67157 <-> SERVER-WEBAPP Next.js remote code execution attempt
* 3:67158 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67159 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67160 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67161 <-> POLICY-OTHER Cisco Identity Services Engine super admin user group addition detected
* 3:67162 <-> POLICY-OTHER Cisco Nexus Dashboard super-admin user creation detected
* 3:67163 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67164 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67165 <-> SERVER-OTHER Cisco Firewall Management Center peer impersonation attempt

Modified Rules:

* 1:65229 <-> SERVER-WEBAPP MCP-Remote command injection attempt

31180

2026-09-24 11:44:14 UTC

Snort Subscriber Rules Update

Date: 2026-09-23-001

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:

* 1:67153 <-> SERVER-WEBAPP N-able N-central remote code execution attempt
* 1:67154 <-> SERVER-OTHER Microsoft .NET FtpWebRequest CRLF injection attempt
* 1:67155 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67156 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67157 <-> SERVER-WEBAPP Next.js remote code execution attempt
* 3:67158 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67159 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67160 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67161 <-> POLICY-OTHER Cisco Identity Services Engine super admin user group addition detected
* 3:67162 <-> POLICY-OTHER Cisco Nexus Dashboard super-admin user creation detected
* 3:67163 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67164 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67165 <-> SERVER-OTHER Cisco Firewall Management Center peer impersonation attempt

Modified Rules:

* 1:65229 <-> SERVER-WEBAPP MCP-Remote command injection attempt

31200

2026-09-24 11:44:15 UTC

Snort Subscriber Rules Update

Date: 2026-09-23-001

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:

* 1:67153 <-> SERVER-WEBAPP N-able N-central remote code execution attempt
* 1:67154 <-> SERVER-OTHER Microsoft .NET FtpWebRequest CRLF injection attempt
* 1:67155 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67156 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67157 <-> SERVER-WEBAPP Next.js remote code execution attempt
* 3:67158 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67159 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67160 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67161 <-> POLICY-OTHER Cisco Identity Services Engine super admin user group addition detected
* 3:67162 <-> POLICY-OTHER Cisco Nexus Dashboard super-admin user creation detected
* 3:67163 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67164 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67165 <-> SERVER-OTHER Cisco Firewall Management Center peer impersonation attempt

Modified Rules:

* 1:65229 <-> SERVER-WEBAPP MCP-Remote command injection attempt

31210

2026-09-24 11:44:15 UTC

Snort Subscriber Rules Update

Date: 2026-09-23-001

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:

* 1:67153 <-> SERVER-WEBAPP N-able N-central remote code execution attempt
* 1:67154 <-> SERVER-OTHER Microsoft .NET FtpWebRequest CRLF injection attempt
* 1:67155 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67156 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67157 <-> SERVER-WEBAPP Next.js remote code execution attempt
* 3:67158 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67159 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67160 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67161 <-> POLICY-OTHER Cisco Identity Services Engine super admin user group addition detected
* 3:67162 <-> POLICY-OTHER Cisco Nexus Dashboard super-admin user creation detected
* 3:67163 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67164 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67165 <-> SERVER-OTHER Cisco Firewall Management Center peer impersonation attempt

Modified Rules:

* 1:65229 <-> SERVER-WEBAPP MCP-Remote command injection attempt

31350

2026-09-24 11:44:15 UTC

Snort Subscriber Rules Update

Date: 2026-09-23-001

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:

* 1:67153 <-> SERVER-WEBAPP N-able N-central remote code execution attempt
* 1:67154 <-> SERVER-OTHER Microsoft .NET FtpWebRequest CRLF injection attempt
* 1:67155 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67156 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67157 <-> SERVER-WEBAPP Next.js remote code execution attempt
* 3:67158 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67159 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67160 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67161 <-> POLICY-OTHER Cisco Identity Services Engine super admin user group addition detected
* 3:67162 <-> POLICY-OTHER Cisco Nexus Dashboard super-admin user creation detected
* 3:67163 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67164 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67165 <-> SERVER-OTHER Cisco Firewall Management Center peer impersonation attempt

Modified Rules:

* 1:65229 <-> SERVER-WEBAPP MCP-Remote command injection attempt

31440

2026-09-24 11:44:15 UTC

Snort Subscriber Rules Update

Date: 2026-09-23-001

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:

* 1:67153 <-> SERVER-WEBAPP N-able N-central remote code execution attempt
* 1:67154 <-> SERVER-OTHER Microsoft .NET FtpWebRequest CRLF injection attempt
* 1:67155 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67156 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67157 <-> SERVER-WEBAPP Next.js remote code execution attempt
* 3:67158 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67159 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67160 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67161 <-> POLICY-OTHER Cisco Identity Services Engine super admin user group addition detected
* 3:67162 <-> POLICY-OTHER Cisco Nexus Dashboard super-admin user creation detected
* 3:67163 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67164 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67165 <-> SERVER-OTHER Cisco Firewall Management Center peer impersonation attempt

Modified Rules:

* 1:65229 <-> SERVER-WEBAPP MCP-Remote command injection attempt

31470

2026-09-24 11:44:15 UTC

Snort Subscriber Rules Update

Date: 2026-09-23-001

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:

* 1:67153 <-> SERVER-WEBAPP N-able N-central remote code execution attempt
* 1:67154 <-> SERVER-OTHER Microsoft .NET FtpWebRequest CRLF injection attempt
* 1:67155 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67156 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67157 <-> SERVER-WEBAPP Next.js remote code execution attempt
* 3:67158 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67159 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67160 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67161 <-> POLICY-OTHER Cisco Identity Services Engine super admin user group addition detected
* 3:67162 <-> POLICY-OTHER Cisco Nexus Dashboard super-admin user creation detected
* 3:67163 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67164 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67165 <-> SERVER-OTHER Cisco Firewall Management Center peer impersonation attempt

Modified Rules:

* 1:65229 <-> SERVER-WEBAPP MCP-Remote command injection attempt

31100

2026-09-24 11:44:15 UTC

Snort Subscriber Rules Update

Date: 2026-09-23-001

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:

* 1:67153 <-> SERVER-WEBAPP N-able N-central remote code execution attempt
* 1:67154 <-> SERVER-OTHER Microsoft .NET FtpWebRequest CRLF injection attempt
* 1:67155 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67156 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67157 <-> SERVER-WEBAPP Next.js remote code execution attempt
* 3:67158 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67159 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67160 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67161 <-> POLICY-OTHER Cisco Identity Services Engine super admin user group addition detected
* 3:67162 <-> POLICY-OTHER Cisco Nexus Dashboard super-admin user creation detected
* 3:67163 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67164 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67165 <-> SERVER-OTHER Cisco Firewall Management Center peer impersonation attempt

Modified Rules:

* 1:65229 <-> SERVER-WEBAPP MCP-Remote command injection attempt

31200

2026-09-24 11:44:15 UTC

Snort Subscriber Rules Update

Date: 2026-09-23-001

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:

* 1:67153 <-> SERVER-WEBAPP N-able N-central remote code execution attempt
* 1:67154 <-> SERVER-OTHER Microsoft .NET FtpWebRequest CRLF injection attempt
* 1:67155 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67156 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67157 <-> SERVER-WEBAPP Next.js remote code execution attempt
* 3:67158 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67159 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67160 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67161 <-> POLICY-OTHER Cisco Identity Services Engine super admin user group addition detected
* 3:67162 <-> POLICY-OTHER Cisco Nexus Dashboard super-admin user creation detected
* 3:67163 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67164 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67165 <-> SERVER-OTHER Cisco Firewall Management Center peer impersonation attempt

Modified Rules:

* 1:65229 <-> SERVER-WEBAPP MCP-Remote command injection attempt

31300

2026-09-24 11:44:15 UTC

Snort Subscriber Rules Update

Date: 2026-09-23-001

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:

* 1:67153 <-> SERVER-WEBAPP N-able N-central remote code execution attempt
* 1:67154 <-> SERVER-OTHER Microsoft .NET FtpWebRequest CRLF injection attempt
* 1:67155 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67156 <-> PROTOCOL-RPC FreeBSD NFS RPCSEC_GSS stack buffer overflow attempt
* 1:67157 <-> SERVER-WEBAPP Next.js remote code execution attempt
* 3:67158 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67159 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67160 <-> SERVER-WEBAPP Cisco Email Gateway insecure deserialization exploit attempt
* 3:67161 <-> POLICY-OTHER Cisco Identity Services Engine super admin user group addition detected
* 3:67162 <-> POLICY-OTHER Cisco Nexus Dashboard super-admin user creation detected
* 3:67163 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67164 <-> SERVER-WEBAPP Cisco Identity Services Engine authentication bypass attempt
* 3:67165 <-> SERVER-OTHER Cisco Firewall Management Center peer impersonation attempt

Modified Rules:

* 1:65229 <-> SERVER-WEBAPP MCP-Remote command injection attempt