Versions (2)
Version DetailsCurrent
Rev: 1 • May 17, 2025, 12:00 PMET MALWARE Interlock CnC Domain in TLS SNI (sublime-tragedy-counties-sculpture .trycloudflare .com)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Interlock CnC Domain in TLS SNI (sublime-tragedy-counties-sculpture .trycloudflare .com)"; flow:established,to_server; tls.sni; bsize:52; content:"sublime-tragedy-counties-sculpture.trycloudflare.com"; fast_pattern; reference:url,blog.sekoia.io/interlock-ransomware-evolving-under-the-radar/; classtype:domain-c2; sid:2062414; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_05_17, deployment Perimeter, malware_family Interlock, performance_impact Low, confidence High, signature_severity Major, tag RAT, tag AI_Generated_Description, updated_at 2025_05_17;)
May 17, 2025, 12:00 PM
May 17, 2025, 12:00 PM
May 19, 2025, 9:34 PM
Jun 16, 2025, 10:35 PM
rules/emerging-malware.rules