Talos Rules 2023-06-02
This release adds and modifies rules in several categories.

Talos is releasing Snort2 SIDs 61876-61879, Snort3 SIDs 300582-300583 to protect against webshell activities targeting the MoveIT Transfer vulnerability currently being exploited in the wild.

Talos has added and modified multiple rules in the malware-backdoor 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

2023-06-02 19:54:21 UTC

Snort Subscriber Rules Update

Date: 2023-06-02

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:


 * 1:61876 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)
 * 1:61877 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)
 * 1:61878 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell upload attempt (malware-backdoor.rules)
 * 1:61879 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt (malware-backdoor.rules)

Modified Rules:



2023-06-02 19:54:21 UTC

Snort Subscriber Rules Update

Date: 2023-06-02

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 2091900.

The format of the file is:

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

New Rules:


 * 1:61878 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell upload attempt (malware-backdoor.rules)
 * 1:61877 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)
 * 1:61876 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)
 * 1:61879 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt (malware-backdoor.rules)

Modified Rules:



2023-06-02 19:54:21 UTC

Snort Subscriber Rules Update

Date: 2023-06-02

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:


 * 1:61879 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt (malware-backdoor.rules)
 * 1:61877 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)
 * 1:61876 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)
 * 1:61878 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell upload attempt (malware-backdoor.rules)

Modified Rules:



2023-06-02 19:54:21 UTC

Snort Subscriber Rules Update

Date: 2023-06-02

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:


 * 1:61877 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)
 * 1:61876 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)
 * 1:61879 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt (malware-backdoor.rules)
 * 1:61878 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell upload attempt (malware-backdoor.rules)

Modified Rules:



2023-06-02 19:54:21 UTC

Snort Subscriber Rules Update

Date: 2023-06-02

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 2091700.

The format of the file is:

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

New Rules:


 * 1:61878 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell upload attempt (malware-backdoor.rules)
 * 1:61877 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)
 * 1:61876 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)
 * 1:61879 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt (malware-backdoor.rules)

Modified Rules:



2023-06-02 19:54:21 UTC

Snort Subscriber Rules Update

Date: 2023-06-02

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 2091601.

The format of the file is:

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

New Rules:


 * 1:61876 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)
 * 1:61877 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)
 * 1:61879 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt (malware-backdoor.rules)
 * 1:61878 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell upload attempt (malware-backdoor.rules)

Modified Rules:



2023-06-02 19:54:21 UTC

Snort Subscriber Rules Update

Date: 2023-06-02

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 2091600.

The format of the file is:

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

New Rules:


 * 1:61879 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt (malware-backdoor.rules)
 * 1:61877 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)
 * 1:61878 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell upload attempt (malware-backdoor.rules)
 * 1:61876 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)

Modified Rules:



2023-06-02 19:54:21 UTC

Snort Subscriber Rules Update

Date: 2023-06-02

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 2091501.

The format of the file is:

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

New Rules:


 * 1:61878 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell upload attempt (malware-backdoor.rules)
 * 1:61876 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)
 * 1:61879 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt (malware-backdoor.rules)
 * 1:61877 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)

Modified Rules:



2023-06-02 19:54:21 UTC

Snort Subscriber Rules Update

Date: 2023-06-02

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 2091401.

The format of the file is:

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

New Rules:


 * 1:61878 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell upload attempt (malware-backdoor.rules)
 * 1:61879 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt (malware-backdoor.rules)
 * 1:61877 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)
 * 1:61876 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)

Modified Rules:



2023-06-02 19:54:21 UTC

Snort Subscriber Rules Update

Date: 2023-06-02

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 2091300.

The format of the file is:

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

New Rules:


 * 1:61879 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt (malware-backdoor.rules)
 * 1:61876 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)
 * 1:61877 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)
 * 1:61878 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell upload attempt (malware-backdoor.rules)

Modified Rules:



2023-06-02 19:54:21 UTC

Snort Subscriber Rules Update

Date: 2023-06-02

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 2091101.

The format of the file is:

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

New Rules:


 * 1:61877 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)
 * 1:61878 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell upload attempt (malware-backdoor.rules)
 * 1:61876 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)
 * 1:61879 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt (malware-backdoor.rules)

Modified Rules:



2023-06-02 19:54:21 UTC

Snort Subscriber Rules Update

Date: 2023-06-02

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3000.

The format of the file is:

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

New Rules:


Modified Rules:



2023-06-02 19:54:21 UTC

Snort Subscriber Rules Update

Date: 2023-06-02

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 2983.

The format of the file is:

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

New Rules:


 * 1:61879 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt (malware-backdoor.rules)
 * 1:61877 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)
 * 1:61878 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell upload attempt (malware-backdoor.rules)
 * 1:61876 <-> ENABLED <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt (malware-backdoor.rules)

Modified Rules:



2023-06-02 20:03:07 UTC

Snort Subscriber Rules Update

Date: 2023-06-02-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.0.3.1.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:300582 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt
* 1:300583 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt

Modified Rules:



2023-06-02 20:03:07 UTC

Snort Subscriber Rules Update

Date: 2023-06-02-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.0.3.4.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:300582 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt
* 1:300583 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt

Modified Rules:



2023-06-02 20:03:08 UTC

Snort Subscriber Rules Update

Date: 2023-06-02-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.1.0.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:300582 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt
* 1:300583 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt

Modified Rules:



2023-06-02 20:03:08 UTC

Snort Subscriber Rules Update

Date: 2023-06-02-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.1.0.1.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:300582 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt
* 1:300583 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt

Modified Rules:



2023-06-02 20:03:08 UTC

Snort Subscriber Rules Update

Date: 2023-06-02-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.1.1.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:300582 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt
* 1:300583 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt

Modified Rules:



2023-06-02 20:03:08 UTC

Snort Subscriber Rules Update

Date: 2023-06-02-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.1.3.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:300582 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt
* 1:300583 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt

Modified Rules:



2023-06-02 20:03:08 UTC

Snort Subscriber Rules Update

Date: 2023-06-02-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.1.4.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:300582 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt
* 1:300583 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt

Modified Rules:



2023-06-02 20:03:08 UTC

Snort Subscriber Rules Update

Date: 2023-06-02-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.1.5.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:300582 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt
* 1:300583 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt

Modified Rules:



2023-06-02 20:03:08 UTC

Snort Subscriber Rules Update

Date: 2023-06-02-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.1.7.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:300582 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt
* 1:300583 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt

Modified Rules:



2023-06-02 20:03:08 UTC

Snort Subscriber Rules Update

Date: 2023-06-02-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.1.9.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:300582 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt
* 1:300583 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt

Modified Rules:



2023-06-02 20:03:08 UTC

Snort Subscriber Rules Update

Date: 2023-06-02-001

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:

* 1:300582 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt
* 1:300583 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt

Modified Rules:



2023-06-02 20:03:08 UTC

Snort Subscriber Rules Update

Date: 2023-06-02-001

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:

* 1:300582 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt
* 1:300583 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt

Modified Rules:



2023-06-02 20:03:08 UTC

Snort Subscriber Rules Update

Date: 2023-06-02-001

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:

* 1:300582 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt
* 1:300583 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt

Modified Rules:



2023-06-02 20:03:08 UTC

Snort Subscriber Rules Update

Date: 2023-06-02-001

This is the complete list of rules modified and added in the Cisco Talos Certified rule pack for Snort version 3.1.20.0.

The format of the file is:

gid:sid <-> Message

New Rules:

* 1:300582 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt
* 1:300583 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt

Modified Rules:



2023-06-02 20:03:08 UTC

Snort Subscriber Rules Update

Date: 2023-06-02-001

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:

* 1:300582 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt
* 1:300583 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt

Modified Rules:



2023-06-02 20:03:08 UTC

Snort Subscriber Rules Update

Date: 2023-06-02-001

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:

* 1:300582 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt
* 1:300583 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt

Modified Rules:



2023-06-02 20:03:08 UTC

Snort Subscriber Rules Update

Date: 2023-06-02-001

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:

* 1:300582 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt
* 1:300583 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt

Modified Rules:



2023-06-02 20:03:08 UTC

Snort Subscriber Rules Update

Date: 2023-06-02-001

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:

* 1:300582 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell connection attempt
* 1:300583 <-> MALWARE-BACKDOOR Asp.Backdoor.MoveITShell download attempt

Modified Rules: