Rule History

SID: 2046734 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 2 • Jul 5, 2023, 12:00 PM

Message:

ET RETIRED Observed GobRAT Domain (wpksi .mefound .com) in TLS SNI

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET RETIRED Observed GobRAT Domain (wpksi .mefound .com) in TLS SNI"; flow:established,to_server; tls.sni; bsize:17; content:"wpksi.mefound.com"; fast_pattern; reference:url,blogs.jpcert.or.jp/en/2023/05/gobrat.html; classtype:command-and-control; sid:2046734; rev:2; metadata:affected_product Linux, attack_target Networking_Equipment, created_at 2023_07_05, deployment Perimeter, former_category MALWARE, malware_family GobRAT, performance_impact Low, confidence High, signature_severity Major, tag RAT, updated_at 2025_04_17, reviewed_at 2025_04_17;)

Created:

Jul 5, 2023, 12:00 PM

Updated:

Apr 17, 2025, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-retired.rules