Rule History

SID: 2029930 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 3 • Apr 17, 2020, 12:00 PM

Message:

ET MALWARE ELF/Mirai Variant User-Agent (Outbound)

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE ELF/Mirai Variant User-Agent (Outbound)"; flow:established,to_server; http.user_agent; content:"Kratos"; fast_pattern; startswith; classtype:web-application-attack; sid:2029930; rev:3; metadata:affected_product Linux, attack_target IoT, created_at 2020_04_17, deployment Perimeter, malware_family ELF_Mirai, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_08;)

Created:

Apr 17, 2020, 12:00 PM

Updated:

Mar 8, 2024, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 19, 2025, 10:35 PM

Filename:

rules/emerging-malware.rules