Talos Rules 2020-03-03
This release adds and modifies rules in several categories.

Talos has added and updated coverage for 2020-0688 based on numerous public sources that have emerged in the last 2 days.

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

Change logs

2020-03-03 19:28:00 UTC

Snort Subscriber Rules Update

Date: 2020-03-03

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

The format of the file is:

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

New Rules:


 * 1:53383 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53382 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel static viewstate key use attempt (server-webapp.rules)
 * 1:53381 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53380 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53379 <-> DISABLED <-> MALWARE-OTHER Win.Dropper.Drooptroop-7604355-0 download attempt (malware-other.rules)

Modified Rules:


 * 1:53349 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53346 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53351 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53350 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53348 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:19389 <-> DISABLED <-> PROTOCOL-VOIP SIP REGISTER flood attempt (protocol-voip.rules)
 * 1:49040 <-> DISABLED <-> INDICATOR-COMPROMISE Microsoft Windows Terminal server RDP over non-standard port attempt (indicator-compromise.rules)
 * 1:53347 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)

2020-03-03 19:28:00 UTC

Snort Subscriber Rules Update

Date: 2020-03-03

This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2091500.

The format of the file is:

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

New Rules:


 * 1:53380 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53381 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53382 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel static viewstate key use attempt (server-webapp.rules)
 * 1:53379 <-> DISABLED <-> MALWARE-OTHER Win.Dropper.Drooptroop-7604355-0 download attempt (malware-other.rules)
 * 1:53383 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)

Modified Rules:


 * 1:53349 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53351 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53348 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:49040 <-> DISABLED <-> INDICATOR-COMPROMISE Microsoft Windows Terminal server RDP over non-standard port attempt (indicator-compromise.rules)
 * 1:19389 <-> DISABLED <-> PROTOCOL-VOIP SIP REGISTER flood attempt (protocol-voip.rules)
 * 1:53347 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53346 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53350 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)

2020-03-03 19:28:00 UTC

Snort Subscriber Rules Update

Date: 2020-03-03

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

The format of the file is:

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

New Rules:


 * 1:53383 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53379 <-> DISABLED <-> MALWARE-OTHER Win.Dropper.Drooptroop-7604355-0 download attempt (malware-other.rules)
 * 1:53380 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53381 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53382 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel static viewstate key use attempt (server-webapp.rules)

Modified Rules:


 * 1:53349 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53347 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:19389 <-> DISABLED <-> PROTOCOL-VOIP SIP REGISTER flood attempt (protocol-voip.rules)
 * 1:49040 <-> DISABLED <-> INDICATOR-COMPROMISE Microsoft Windows Terminal server RDP over non-standard port attempt (indicator-compromise.rules)
 * 1:53348 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53346 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53350 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53351 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)

2020-03-03 19:28:00 UTC

Snort Subscriber Rules Update

Date: 2020-03-03

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:


 * 1:53380 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53379 <-> DISABLED <-> MALWARE-OTHER Win.Dropper.Drooptroop-7604355-0 download attempt (malware-other.rules)
 * 1:53383 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53381 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53382 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel static viewstate key use attempt (server-webapp.rules)

Modified Rules:


 * 1:53349 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:49040 <-> DISABLED <-> INDICATOR-COMPROMISE Microsoft Windows Terminal server RDP over non-standard port attempt (indicator-compromise.rules)
 * 1:53350 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53347 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53348 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53351 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:19389 <-> DISABLED <-> PROTOCOL-VOIP SIP REGISTER flood attempt (protocol-voip.rules)
 * 1:53346 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)

2020-03-03 19:28:00 UTC

Snort Subscriber Rules Update

Date: 2020-03-03

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:


 * 1:53381 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53382 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel static viewstate key use attempt (server-webapp.rules)
 * 1:53380 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53383 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53379 <-> DISABLED <-> MALWARE-OTHER Win.Dropper.Drooptroop-7604355-0 download attempt (malware-other.rules)

Modified Rules:


 * 1:53348 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53346 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:49040 <-> DISABLED <-> INDICATOR-COMPROMISE Microsoft Windows Terminal server RDP over non-standard port attempt (indicator-compromise.rules)
 * 1:19389 <-> DISABLED <-> PROTOCOL-VOIP SIP REGISTER flood attempt (protocol-voip.rules)
 * 1:53351 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53350 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53349 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53347 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)

2020-03-03 19:28:00 UTC

Snort Subscriber Rules Update

Date: 2020-03-03

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:


 * 1:53380 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (snort3-server-webapp.rules)
 * 1:53381 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (snort3-server-webapp.rules)
 * 1:53382 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel static viewstate key use attempt (snort3-server-webapp.rules)
 * 1:53379 <-> DISABLED <-> MALWARE-OTHER Win.Dropper.Drooptroop-7604355-0 download attempt (snort3-malware-other.rules)
 * 1:53383 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (snort3-server-webapp.rules)

Modified Rules:


 * 1:53346 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (snort3-server-webapp.rules)
 * 1:53350 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (snort3-server-webapp.rules)
 * 1:53349 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (snort3-server-webapp.rules)
 * 1:53348 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (snort3-server-webapp.rules)
 * 1:53347 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (snort3-server-webapp.rules)
 * 1:19389 <-> DISABLED <-> PROTOCOL-VOIP SIP REGISTER flood attempt (snort3-protocol-voip.rules)
 * 1:49040 <-> DISABLED <-> INDICATOR-COMPROMISE Microsoft Windows Terminal server RDP over non-standard port attempt (snort3-indicator-compromise.rules)
 * 1:53351 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (snort3-server-webapp.rules)

2020-03-03 19:28:00 UTC

Snort Subscriber Rules Update

Date: 2020-03-03

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:


 * 1:53380 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53383 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53381 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53382 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel static viewstate key use attempt (server-webapp.rules)
 * 1:53379 <-> DISABLED <-> MALWARE-OTHER Win.Dropper.Drooptroop-7604355-0 download attempt (malware-other.rules)

Modified Rules:


 * 1:53349 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:49040 <-> DISABLED <-> INDICATOR-COMPROMISE Microsoft Windows Terminal server RDP over non-standard port attempt (indicator-compromise.rules)
 * 1:19389 <-> DISABLED <-> PROTOCOL-VOIP SIP REGISTER flood attempt (protocol-voip.rules)
 * 1:53351 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53348 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53350 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53347 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)
 * 1:53346 <-> ENABLED <-> SERVER-WEBAPP Microsoft Exchange Control Panel remote code execution attempt (server-webapp.rules)