Talos Rules 2019-05-09
This release adds and modifies rules in several categories.

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

Change logs

2019-05-09 13:22:01 UTC

Snort Subscriber Rules Update

Date: 2019-05-09

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

The format of the file is:

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

New Rules:


 * 1:50056 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (malware-cnc.rules)
 * 1:50055 <-> ENABLED <-> MALWARE-CNC Win.Trojan.HTran malicious executable download attempt (malware-cnc.rules)
 * 1:50054 <-> ENABLED <-> MALWARE-CNC Win.Trojan.HTran malicious executable download attempt (malware-cnc.rules)
 * 1:50053 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (malware-cnc.rules)
 * 1:50052 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (malware-cnc.rules)
 * 1:50051 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (malware-cnc.rules)
 * 1:50050 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (malware-cnc.rules)
 * 1:50049 <-> ENABLED <-> MALWARE-CNC Win.Dropper.FormBook variant outbound connection (malware-cnc.rules)
 * 1:50048 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Fareit variant outbound connection (malware-cnc.rules)
 * 1:50047 <-> ENABLED <-> MALWARE-OTHER Win.Trojan.GenKryptik variant binary download attempt (malware-other.rules)
 * 1:50046 <-> ENABLED <-> MALWARE-OTHER Win.Trojan.GenKryptik variant binary download attempt (malware-other.rules)
 * 1:50045 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.FormBook variant binary download attempt (malware-other.rules)
 * 1:50044 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.FormBook variant binary download attempt (malware-other.rules)
 * 1:50043 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.Fareit variant binary download attempt (malware-other.rules)
 * 1:50042 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.Fareit variant binary download attempt (malware-other.rules)
 * 1:50041 <-> ENABLED <-> SERVER-WEBAPP Jenkins CI Server ASTTest code execution attempt (server-webapp.rules)
 * 1:50064 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer variant outbound connection (malware-cnc.rules)
 * 1:50063 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (malware-cnc.rules)
 * 1:50062 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (malware-cnc.rules)
 * 1:50061 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (malware-cnc.rules)
 * 1:50060 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (malware-cnc.rules)
 * 1:50059 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (malware-cnc.rules)
 * 1:50058 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (malware-cnc.rules)
 * 1:50057 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (malware-cnc.rules)

Modified Rules:



2019-05-09 13:22:01 UTC

Snort Subscriber Rules Update

Date: 2019-05-09

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091200.

The format of the file is:

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

New Rules:


 * 1:50060 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (malware-cnc.rules)
 * 1:50059 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (malware-cnc.rules)
 * 1:50041 <-> ENABLED <-> SERVER-WEBAPP Jenkins CI Server ASTTest code execution attempt (server-webapp.rules)
 * 1:50042 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.Fareit variant binary download attempt (malware-other.rules)
 * 1:50043 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.Fareit variant binary download attempt (malware-other.rules)
 * 1:50044 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.FormBook variant binary download attempt (malware-other.rules)
 * 1:50045 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.FormBook variant binary download attempt (malware-other.rules)
 * 1:50046 <-> ENABLED <-> MALWARE-OTHER Win.Trojan.GenKryptik variant binary download attempt (malware-other.rules)
 * 1:50047 <-> ENABLED <-> MALWARE-OTHER Win.Trojan.GenKryptik variant binary download attempt (malware-other.rules)
 * 1:50048 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Fareit variant outbound connection (malware-cnc.rules)
 * 1:50049 <-> ENABLED <-> MALWARE-CNC Win.Dropper.FormBook variant outbound connection (malware-cnc.rules)
 * 1:50050 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (malware-cnc.rules)
 * 1:50064 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer variant outbound connection (malware-cnc.rules)
 * 1:50061 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (malware-cnc.rules)
 * 1:50063 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (malware-cnc.rules)
 * 1:50062 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (malware-cnc.rules)
 * 1:50051 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (malware-cnc.rules)
 * 1:50052 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (malware-cnc.rules)
 * 1:50053 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (malware-cnc.rules)
 * 1:50054 <-> ENABLED <-> MALWARE-CNC Win.Trojan.HTran malicious executable download attempt (malware-cnc.rules)
 * 1:50055 <-> ENABLED <-> MALWARE-CNC Win.Trojan.HTran malicious executable download attempt (malware-cnc.rules)
 * 1:50056 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (malware-cnc.rules)
 * 1:50057 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (malware-cnc.rules)
 * 1:50058 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (malware-cnc.rules)

Modified Rules:



2019-05-09 13:22:01 UTC

Snort Subscriber Rules Update

Date: 2019-05-09

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

The format of the file is:

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

New Rules:


 * 1:50060 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (malware-cnc.rules)
 * 1:50061 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (malware-cnc.rules)
 * 1:50063 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (malware-cnc.rules)
 * 1:50064 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer variant outbound connection (malware-cnc.rules)
 * 1:50062 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (malware-cnc.rules)
 * 1:50041 <-> ENABLED <-> SERVER-WEBAPP Jenkins CI Server ASTTest code execution attempt (server-webapp.rules)
 * 1:50042 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.Fareit variant binary download attempt (malware-other.rules)
 * 1:50043 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.Fareit variant binary download attempt (malware-other.rules)
 * 1:50044 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.FormBook variant binary download attempt (malware-other.rules)
 * 1:50045 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.FormBook variant binary download attempt (malware-other.rules)
 * 1:50046 <-> ENABLED <-> MALWARE-OTHER Win.Trojan.GenKryptik variant binary download attempt (malware-other.rules)
 * 1:50047 <-> ENABLED <-> MALWARE-OTHER Win.Trojan.GenKryptik variant binary download attempt (malware-other.rules)
 * 1:50048 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Fareit variant outbound connection (malware-cnc.rules)
 * 1:50049 <-> ENABLED <-> MALWARE-CNC Win.Dropper.FormBook variant outbound connection (malware-cnc.rules)
 * 1:50050 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (malware-cnc.rules)
 * 1:50051 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (malware-cnc.rules)
 * 1:50052 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (malware-cnc.rules)
 * 1:50053 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (malware-cnc.rules)
 * 1:50054 <-> ENABLED <-> MALWARE-CNC Win.Trojan.HTran malicious executable download attempt (malware-cnc.rules)
 * 1:50055 <-> ENABLED <-> MALWARE-CNC Win.Trojan.HTran malicious executable download attempt (malware-cnc.rules)
 * 1:50056 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (malware-cnc.rules)
 * 1:50057 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (malware-cnc.rules)
 * 1:50058 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (malware-cnc.rules)
 * 1:50059 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (malware-cnc.rules)

Modified Rules:



2019-05-09 13:22:01 UTC

Snort Subscriber Rules Update

Date: 2019-05-09

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

The format of the file is:

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

New Rules:


 * 1:50060 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (snort3-malware-cnc.rules)
 * 1:50048 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Fareit variant outbound connection (snort3-malware-cnc.rules)
 * 1:50062 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (snort3-malware-cnc.rules)
 * 1:50063 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (snort3-malware-cnc.rules)
 * 1:50064 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer variant outbound connection (snort3-malware-cnc.rules)
 * 1:50061 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (snort3-malware-cnc.rules)
 * 1:50041 <-> ENABLED <-> SERVER-WEBAPP Jenkins CI Server ASTTest code execution attempt (snort3-server-webapp.rules)
 * 1:50042 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.Fareit variant binary download attempt (snort3-malware-other.rules)
 * 1:50043 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.Fareit variant binary download attempt (snort3-malware-other.rules)
 * 1:50044 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.FormBook variant binary download attempt (snort3-malware-other.rules)
 * 1:50045 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.FormBook variant binary download attempt (snort3-malware-other.rules)
 * 1:50046 <-> ENABLED <-> MALWARE-OTHER Win.Trojan.GenKryptik variant binary download attempt (snort3-malware-other.rules)
 * 1:50047 <-> ENABLED <-> MALWARE-OTHER Win.Trojan.GenKryptik variant binary download attempt (snort3-malware-other.rules)
 * 1:50059 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (snort3-malware-cnc.rules)
 * 1:50050 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (snort3-malware-cnc.rules)
 * 1:50051 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (snort3-malware-cnc.rules)
 * 1:50049 <-> ENABLED <-> MALWARE-CNC Win.Dropper.FormBook variant outbound connection (snort3-malware-cnc.rules)
 * 1:50052 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (snort3-malware-cnc.rules)
 * 1:50053 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (snort3-malware-cnc.rules)
 * 1:50054 <-> ENABLED <-> MALWARE-CNC Win.Trojan.HTran malicious executable download attempt (snort3-malware-cnc.rules)
 * 1:50055 <-> ENABLED <-> MALWARE-CNC Win.Trojan.HTran malicious executable download attempt (snort3-malware-cnc.rules)
 * 1:50056 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (snort3-malware-cnc.rules)
 * 1:50057 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (snort3-malware-cnc.rules)
 * 1:50058 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (snort3-malware-cnc.rules)

Modified Rules:



2019-05-09 13:22:01 UTC

Snort Subscriber Rules Update

Date: 2019-05-09

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2990.

The format of the file is:

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

New Rules:


 * 1:50049 <-> ENABLED <-> MALWARE-CNC Win.Dropper.FormBook variant outbound connection (malware-cnc.rules)
 * 1:50063 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (malware-cnc.rules)
 * 1:50061 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (malware-cnc.rules)
 * 1:50042 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.Fareit variant binary download attempt (malware-other.rules)
 * 1:50043 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.Fareit variant binary download attempt (malware-other.rules)
 * 1:50044 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.FormBook variant binary download attempt (malware-other.rules)
 * 1:50045 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.FormBook variant binary download attempt (malware-other.rules)
 * 1:50046 <-> ENABLED <-> MALWARE-OTHER Win.Trojan.GenKryptik variant binary download attempt (malware-other.rules)
 * 1:50047 <-> ENABLED <-> MALWARE-OTHER Win.Trojan.GenKryptik variant binary download attempt (malware-other.rules)
 * 1:50060 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (malware-cnc.rules)
 * 1:50059 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (malware-cnc.rules)
 * 1:50048 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Fareit variant outbound connection (malware-cnc.rules)
 * 1:50052 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (malware-cnc.rules)
 * 1:50050 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (malware-cnc.rules)
 * 1:50051 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (malware-cnc.rules)
 * 1:50053 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (malware-cnc.rules)
 * 1:50054 <-> ENABLED <-> MALWARE-CNC Win.Trojan.HTran malicious executable download attempt (malware-cnc.rules)
 * 1:50055 <-> ENABLED <-> MALWARE-CNC Win.Trojan.HTran malicious executable download attempt (malware-cnc.rules)
 * 1:50056 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (malware-cnc.rules)
 * 1:50057 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (malware-cnc.rules)
 * 1:50058 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (malware-cnc.rules)
 * 1:50064 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer variant outbound connection (malware-cnc.rules)
 * 1:50062 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (malware-cnc.rules)
 * 1:50041 <-> ENABLED <-> SERVER-WEBAPP Jenkins CI Server ASTTest code execution attempt (server-webapp.rules)

Modified Rules:



2019-05-09 13:22:01 UTC

Snort Subscriber Rules Update

Date: 2019-05-09

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

The format of the file is:

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

New Rules:


 * 1:50046 <-> ENABLED <-> MALWARE-OTHER Win.Trojan.GenKryptik variant binary download attempt (malware-other.rules)
 * 1:50045 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.FormBook variant binary download attempt (malware-other.rules)
 * 1:50058 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (malware-cnc.rules)
 * 1:50064 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer variant outbound connection (malware-cnc.rules)
 * 1:50062 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (malware-cnc.rules)
 * 1:50060 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (malware-cnc.rules)
 * 1:50057 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (malware-cnc.rules)
 * 1:50061 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (malware-cnc.rules)
 * 1:50041 <-> ENABLED <-> SERVER-WEBAPP Jenkins CI Server ASTTest code execution attempt (server-webapp.rules)
 * 1:50042 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.Fareit variant binary download attempt (malware-other.rules)
 * 1:50043 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.Fareit variant binary download attempt (malware-other.rules)
 * 1:50044 <-> ENABLED <-> MALWARE-OTHER Win.Dropper.FormBook variant binary download attempt (malware-other.rules)
 * 1:50047 <-> ENABLED <-> MALWARE-OTHER Win.Trojan.GenKryptik variant binary download attempt (malware-other.rules)
 * 1:50049 <-> ENABLED <-> MALWARE-CNC Win.Dropper.FormBook variant outbound connection (malware-cnc.rules)
 * 1:50050 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (malware-cnc.rules)
 * 1:50048 <-> ENABLED <-> MALWARE-CNC Win.Dropper.Fareit variant outbound connection (malware-cnc.rules)
 * 1:50051 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (malware-cnc.rules)
 * 1:50052 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (malware-cnc.rules)
 * 1:50053 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Pirpi malicious executable download attempt (malware-cnc.rules)
 * 1:50054 <-> ENABLED <-> MALWARE-CNC Win.Trojan.HTran malicious executable download attempt (malware-cnc.rules)
 * 1:50055 <-> ENABLED <-> MALWARE-CNC Win.Trojan.HTran malicious executable download attempt (malware-cnc.rules)
 * 1:50063 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (malware-cnc.rules)
 * 1:50056 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Buckeye malicious executable download attempt (malware-cnc.rules)
 * 1:50059 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Filensfer malicious executable download attempt (malware-cnc.rules)

Modified Rules: