Cisco Talos has added and modified multiple rules in the file-other, malware-other and server-webapp rule sets. The latest release includes 34 new rules, four new shared object rules and three modified rules. Today’s release provides new coverage for several different malware families, including the Feejar trojan, the Kuluoz botnet and the Vobfus worm. There were no changes made to the snort.conf in this release. You can subscribe to Talos’ newest rule detection functionality for as low as $29 a year with a personal account.”]
Source: https://blog.snort.org/2020/04/snort-rule-update-for-april-21-2020.html