Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE FIN7 Related CnC Domain in DNS Lookup (tnskvggujjqfcskwk .com)"; dns.query; content:"tnskvggujjqfcskwk.com"; nocase; bsize:21; fast_pattern; reference:url,www.anomali.com/blog/cybercrime-group-fin7-using-windows-11-alpha-themed-docs-to-drop-javascript-backdoor; reference:url,twitter.com/Circuitous__/status/1433516145752035331; reference:url,twitter.com/JAMESWT_MHT/status/1433706754555138066; classtype:domain-c2; sid:2033897; rev:2; metadata:attack_target Client_Endpoint, created_at 2021_09_03, deployment Perimeter, confidence High, signature_severity Major, tag FIN7, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_09_03;)