Rule History

SID: 2035749 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 1 • Apr 5, 2022, 12:00 PM

Message:

ET MALWARE ELF/Mirai Variant UA Outbound (b3astmode)

Rule:

alert http [$HOME_NET,$HTTP_SERVERS] any -> any any (msg:"ET MALWARE ELF/Mirai Variant UA Outbound (b3astmode)"; flow:to_server,established; http.user_agent; content:"b3astmode"; fast_pattern; bsize:9; classtype:trojan-activity; sid:2035749; rev:1; metadata:affected_product Mac_OSX, affected_product Linux, attack_target Client_Endpoint, created_at 2022_04_05, deployment Perimeter, malware_family ELF_Mirai, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_04_05;)

Created:

Apr 5, 2022, 12:00 PM

Updated:

Apr 5, 2022, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 4, 2025, 9:34 PM

Filename:

rules/emerging-malware.rules