Snort rule update for April 15, 2021

Cisco Talos released the newest rule update for SNORTⓇ this morning.

Thursday's rule release includes several new rules to protect against the Raindrop malware. This threat was recently discovered being deployed by actors exploiting the well-known vulnerabilities in SolarWinds. This supply chain attack targeted many high-profile organizations and government agencies.

Here's a breakdown of today's rule release:

Shared object rules	Modified shared object rules	New rules	Modified rules
2	0	13	7

There were no changes made to the snort.conf in this release.

Talos' rule release:

Talos has added and modified multiple rules in the browser-chrome, file-pdf, indicator-obfuscation, malware-backdoor, malware-cnc and server-webapp rule sets to provide coverage for emerging threats from these technologies.

You can subscribe to Talos' newest rule detection functionality for as low as $29 a year with a personal account. Be sure and see our business pricing as well here. The Snort 3 release is also here after years of development and improvements. Upgrade here.