Talos Rules 2018-08-03
Talos is aware of vulnerabilities affecting products from Microsoft Corporation.

Microsoft Vulnerability CVE-2018-8414: A coding deficiency exists in Microsoft Windows OS that may lead to remote code execution with minimal to no user interaction.

Previously released rules will detect attacks targeting these vulnerabilities and have been updated with the appropriate reference information. They are also included in this release and are identified with GID 1, SIDs 46999 through 47002.

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

Change logs

2018-08-03 20:59:41 UTC

Snort Subscriber Rules Update

Date: 2018-08-03

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:


 * 1:47427 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Mapoyun variant outbound connection attempt (malware-cnc.rules)

Modified Rules:


 * 1:47002 <-> DISABLED <-> INDICATOR-COMPROMISE SettingContent-ms file type download attempt (indicator-compromise.rules)
 * 1:47000 <-> DISABLED <-> INDICATOR-COMPROMISE SettingContent-ms file type download attempt (indicator-compromise.rules)
 * 1:47001 <-> DISABLED <-> INDICATOR-COMPROMISE SettingContent-ms file type download attempt (indicator-compromise.rules)
 * 1:46999 <-> DISABLED <-> INDICATOR-COMPROMISE SettingContent-ms file type download attempt (indicator-compromise.rules)

2018-08-03 20:59:41 UTC

Snort Subscriber Rules Update

Date: 2018-08-03

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091100.

The format of the file is:

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

New Rules:


 * 1:47427 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Mapoyun variant outbound connection attempt (malware-cnc.rules)

Modified Rules:


 * 1:47002 <-> DISABLED <-> INDICATOR-COMPROMISE SettingContent-ms file type download attempt (indicator-compromise.rules)
 * 1:47000 <-> DISABLED <-> INDICATOR-COMPROMISE SettingContent-ms file type download attempt (indicator-compromise.rules)
 * 1:47001 <-> DISABLED <-> INDICATOR-COMPROMISE SettingContent-ms file type download attempt (indicator-compromise.rules)
 * 1:46999 <-> DISABLED <-> INDICATOR-COMPROMISE SettingContent-ms file type download attempt (indicator-compromise.rules)

2018-08-03 20:59:41 UTC

Snort Subscriber Rules Update

Date: 2018-08-03

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:


 * 1:47427 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Mapoyun variant outbound connection attempt (snort3-malware-cnc.rules)

Modified Rules:


 * 1:47001 <-> DISABLED <-> INDICATOR-COMPROMISE SettingContent-ms file type download attempt (snort3-indicator-compromise.rules)
 * 1:47000 <-> DISABLED <-> INDICATOR-COMPROMISE SettingContent-ms file type download attempt (snort3-indicator-compromise.rules)
 * 1:47002 <-> DISABLED <-> INDICATOR-COMPROMISE SettingContent-ms file type download attempt (snort3-indicator-compromise.rules)
 * 1:46999 <-> DISABLED <-> INDICATOR-COMPROMISE SettingContent-ms file type download attempt (snort3-indicator-compromise.rules)

2018-08-03 20:59:41 UTC

Snort Subscriber Rules Update

Date: 2018-08-03

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:


 * 1:47427 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Mapoyun variant outbound connection attempt (malware-cnc.rules)

Modified Rules:


 * 1:47001 <-> DISABLED <-> INDICATOR-COMPROMISE SettingContent-ms file type download attempt (indicator-compromise.rules)
 * 1:46999 <-> DISABLED <-> INDICATOR-COMPROMISE SettingContent-ms file type download attempt (indicator-compromise.rules)
 * 1:47002 <-> DISABLED <-> INDICATOR-COMPROMISE SettingContent-ms file type download attempt (indicator-compromise.rules)
 * 1:47000 <-> DISABLED <-> INDICATOR-COMPROMISE SettingContent-ms file type download attempt (indicator-compromise.rules)

2018-08-03 20:59:41 UTC

Snort Subscriber Rules Update

Date: 2018-08-03

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:


 * 1:47427 <-> ENABLED <-> MALWARE-CNC Win.Trojan.Mapoyun variant outbound connection attempt (malware-cnc.rules)

Modified Rules:


 * 1:47001 <-> DISABLED <-> INDICATOR-COMPROMISE SettingContent-ms file type download attempt (indicator-compromise.rules)
 * 1:47000 <-> DISABLED <-> INDICATOR-COMPROMISE SettingContent-ms file type download attempt (indicator-compromise.rules)
 * 1:46999 <-> DISABLED <-> INDICATOR-COMPROMISE SettingContent-ms file type download attempt (indicator-compromise.rules)
 * 1:47002 <-> DISABLED <-> INDICATOR-COMPROMISE SettingContent-ms file type download attempt (indicator-compromise.rules)