Talos Rules 2023-03-30
This release adds and modifies rules in several categories.

Talos is releasing Snort coverage for traffic associated with compromised 3CX clients.

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

29200

2023-03-30 22:33:25 UTC

Snort Subscriber Rules Update

Date: 2023-03-30

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:


 * 1:61550 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)
 * 1:61551 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)
 * 1:61552 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)
 * 1:61553 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)

Modified Rules:


 * 1:49864 <-> DISABLED <-> FILE-OTHER Multiple Products XML external entity injection attempt (file-other.rules)

29190

2023-03-30 22:33:25 UTC

Snort Subscriber Rules Update

Date: 2023-03-30

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:


 * 1:61553 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)
 * 1:61552 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)
 * 1:61550 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)
 * 1:61551 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)

Modified Rules:


 * 1:49864 <-> DISABLED <-> FILE-OTHER Multiple Products XML external entity injection attempt (file-other.rules)

29181

2023-03-30 22:33:25 UTC

Snort Subscriber Rules Update

Date: 2023-03-30

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:


 * 1:61550 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)
 * 1:61553 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)
 * 1:61552 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)
 * 1:61551 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)

Modified Rules:


 * 1:49864 <-> DISABLED <-> FILE-OTHER Multiple Products XML external entity injection attempt (file-other.rules)

29171

2023-03-30 22:33:25 UTC

Snort Subscriber Rules Update

Date: 2023-03-30

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:


 * 1:61550 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)
 * 1:61552 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)
 * 1:61553 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)
 * 1:61551 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)

Modified Rules:


 * 1:49864 <-> DISABLED <-> FILE-OTHER Multiple Products XML external entity injection attempt (file-other.rules)

29170

2023-03-30 22:33:25 UTC

Snort Subscriber Rules Update

Date: 2023-03-30

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:


 * 1:61553 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)
 * 1:61550 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)
 * 1:61552 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)
 * 1:61551 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)

Modified Rules:


 * 1:49864 <-> DISABLED <-> FILE-OTHER Multiple Products XML external entity injection attempt (file-other.rules)

29161

2023-03-30 22:33:25 UTC

Snort Subscriber Rules Update

Date: 2023-03-30

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:


 * 1:61551 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)
 * 1:61553 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)
 * 1:61550 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)
 * 1:61552 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)

Modified Rules:


 * 1:49864 <-> DISABLED <-> FILE-OTHER Multiple Products XML external entity injection attempt (file-other.rules)

29160

2023-03-30 22:33:25 UTC

Snort Subscriber Rules Update

Date: 2023-03-30

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:


 * 1:61552 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)
 * 1:61550 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)
 * 1:61553 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)
 * 1:61551 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)

Modified Rules:


 * 1:49864 <-> DISABLED <-> FILE-OTHER Multiple Products XML external entity injection attempt (file-other.rules)

29151

2023-03-30 22:33:25 UTC

Snort Subscriber Rules Update

Date: 2023-03-30

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:


 * 1:61553 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)
 * 1:61550 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)
 * 1:61551 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)
 * 1:61552 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)

Modified Rules:


 * 1:49864 <-> DISABLED <-> FILE-OTHER Multiple Products XML external entity injection attempt (file-other.rules)

29141

2023-03-30 22:33:25 UTC

Snort Subscriber Rules Update

Date: 2023-03-30

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:


 * 1:61550 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)
 * 1:61551 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)
 * 1:61553 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)
 * 1:61552 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)

Modified Rules:


 * 1:49864 <-> DISABLED <-> FILE-OTHER Multiple Products XML external entity injection attempt (file-other.rules)

29130

2023-03-30 22:33:25 UTC

Snort Subscriber Rules Update

Date: 2023-03-30

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:


 * 1:61550 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)
 * 1:61551 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)
 * 1:61552 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)
 * 1:61553 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)

Modified Rules:


 * 1:49864 <-> DISABLED <-> FILE-OTHER Multiple Products XML external entity injection attempt (file-other.rules)

29111

2023-03-30 22:33:25 UTC

Snort Subscriber Rules Update

Date: 2023-03-30

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:


 * 1:61553 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)
 * 1:61552 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)
 * 1:61551 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)
 * 1:61550 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)

Modified Rules:


 * 1:49864 <-> DISABLED <-> FILE-OTHER Multiple Products XML external entity injection attempt (file-other.rules)

3000

2023-03-30 22:33:25 UTC

Snort Subscriber Rules Update

Date: 2023-03-30

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:


 * 1:49864 <-> ENABLED <-> FILE-OTHER Multiple Products XML external entity injection attempt (snort3-file-other.rules)

2983

2023-03-30 22:33:25 UTC

Snort Subscriber Rules Update

Date: 2023-03-30

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:


 * 1:61551 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)
 * 1:61553 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)
 * 1:61550 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt (malware-backdoor.rules)
 * 1:61552 <-> DISABLED <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt (malware-backdoor.rules)

Modified Rules:


 * 1:49864 <-> DISABLED <-> FILE-OTHER Multiple Products XML external entity injection attempt (file-other.rules)

3031

2023-03-30 22:37:15 UTC

Snort Subscriber Rules Update

Date: 2023-03-30-001

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:

* 1:300480 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt
* 1:300481 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt

Modified Rules:

* 1:49864 <-> FILE-OTHER Multiple Products XML external entity injection attempt

3034

2023-03-30 22:37:15 UTC

Snort Subscriber Rules Update

Date: 2023-03-30-001

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:

* 1:300480 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt
* 1:300481 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt

Modified Rules:

* 1:49864 <-> FILE-OTHER Multiple Products XML external entity injection attempt

3100

2023-03-30 22:37:15 UTC

Snort Subscriber Rules Update

Date: 2023-03-30-001

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:

* 1:300480 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt
* 1:300481 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt

Modified Rules:

* 1:49864 <-> FILE-OTHER Multiple Products XML external entity injection attempt

3101

2023-03-30 22:37:15 UTC

Snort Subscriber Rules Update

Date: 2023-03-30-001

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:

* 1:300480 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt
* 1:300481 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt

Modified Rules:

* 1:49864 <-> FILE-OTHER Multiple Products XML external entity injection attempt

3110

2023-03-30 22:37:15 UTC

Snort Subscriber Rules Update

Date: 2023-03-30-001

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:

* 1:300480 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt
* 1:300481 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt

Modified Rules:

* 1:49864 <-> FILE-OTHER Multiple Products XML external entity injection attempt

3130

2023-03-30 22:37:15 UTC

Snort Subscriber Rules Update

Date: 2023-03-30-001

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:

* 1:300480 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt
* 1:300481 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt

Modified Rules:

* 1:49864 <-> FILE-OTHER Multiple Products XML external entity injection attempt

3140

2023-03-30 22:37:15 UTC

Snort Subscriber Rules Update

Date: 2023-03-30-001

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:

* 1:300480 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt
* 1:300481 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt

Modified Rules:

* 1:49864 <-> FILE-OTHER Multiple Products XML external entity injection attempt

3150

2023-03-30 22:37:15 UTC

Snort Subscriber Rules Update

Date: 2023-03-30-001

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:

* 1:300480 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt
* 1:300481 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt

Modified Rules:

* 1:49864 <-> FILE-OTHER Multiple Products XML external entity injection attempt

3170

2023-03-30 22:37:15 UTC

Snort Subscriber Rules Update

Date: 2023-03-30-001

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:

* 1:300480 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt
* 1:300481 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt

Modified Rules:

* 1:49864 <-> FILE-OTHER Multiple Products XML external entity injection attempt

3190

2023-03-30 22:37:15 UTC

Snort Subscriber Rules Update

Date: 2023-03-30-001

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:

* 1:300480 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt
* 1:300481 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt

Modified Rules:

* 1:49864 <-> FILE-OTHER Multiple Products XML external entity injection attempt

31110

2023-03-30 22:37:15 UTC

Snort Subscriber Rules Update

Date: 2023-03-30-001

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:

* 1:300480 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt
* 1:300481 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt

Modified Rules:

* 1:49864 <-> FILE-OTHER Multiple Products XML external entity injection attempt

31150

2023-03-30 22:37:15 UTC

Snort Subscriber Rules Update

Date: 2023-03-30-001

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:

* 1:300480 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt
* 1:300481 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt

Modified Rules:

* 1:49864 <-> FILE-OTHER Multiple Products XML external entity injection attempt

31180

2023-03-30 22:37:15 UTC

Snort Subscriber Rules Update

Date: 2023-03-30-001

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:

* 1:300480 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt
* 1:300481 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt

Modified Rules:

* 1:49864 <-> FILE-OTHER Multiple Products XML external entity injection attempt

31200

2023-03-30 22:37:15 UTC

Snort Subscriber Rules Update

Date: 2023-03-30-001

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:

* 1:300480 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt
* 1:300481 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt

Modified Rules:

* 1:49864 <-> FILE-OTHER Multiple Products XML external entity injection attempt

31210

2023-03-30 22:37:15 UTC

Snort Subscriber Rules Update

Date: 2023-03-30-001

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:

* 1:300480 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt
* 1:300481 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt

Modified Rules:

* 1:49864 <-> FILE-OTHER Multiple Products XML external entity injection attempt

31350

2023-03-30 22:37:15 UTC

Snort Subscriber Rules Update

Date: 2023-03-30-001

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:

* 1:300480 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt
* 1:300481 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt

Modified Rules:

* 1:49864 <-> FILE-OTHER Multiple Products XML external entity injection attempt

31440

2023-03-30 22:37:16 UTC

Snort Subscriber Rules Update

Date: 2023-03-30-001

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:

* 1:300480 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt
* 1:300481 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt

Modified Rules:

* 1:49864 <-> FILE-OTHER Multiple Products XML external entity injection attempt

31470

2023-03-30 22:37:16 UTC

Snort Subscriber Rules Update

Date: 2023-03-30-001

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:

* 1:300480 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima shellcode runner download attempt
* 1:300481 <-> MALWARE-BACKDOOR Win.Backdoor.Chollima obfuscated .ico download attempt

Modified Rules:

* 1:49864 <-> FILE-OTHER Multiple Products XML external entity injection attempt