Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Maldoc CnC Domain in DNS Lookup (r .significantbyte .com)"; dns.query; content:"r.significantbyte.com"; fast_pattern; nocase; bsize:21; reference:url,twitter.com/h2jazi/status/1440418522950107140; reference:url,twitter.com/ShadowChasing1/status/1441367412562030600; classtype:domain-c2; sid:2034029; rev:2; metadata:attack_target Client_Endpoint, created_at 2021_09_24, deployment Perimeter, malware_family Maldoc, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_09_24;)