Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed DonotGroup Related Domain (furnish .spacequery .live in TLS SNI)"; flow:established,to_server; tls.sni; content:"furnish.spacequery.live"; bsize:23; fast_pattern; reference:md5,d4d0fc82312c60b6084ccab7245530a9; reference:url,twitter.com/ShadowChasing1/status/1572533006237331456; classtype:domain-c2; sid:2038915; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_09_21, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_09_21, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)