Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE PurpleFox Backdoor Related Domain in DNS Lookup (qq .c1c .ren)"; dns.query; content:"qq.c1c.ren"; nocase; bsize:10; reference:md5,757e04a9da1083b797b9dadc94300937; reference:url,twitter.com/0xrb/status/1496747426505531398; classtype:domain-c2; sid:2035307; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_02_28, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_02_28;)