Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE MacOS RustDoor Related CnC Domain in DNS Lookup (serviceicloud .com)"; dns.query; bsize:17; content:"serviceicloud.com"; nocase; reference:md5,5fcc12eaba8185f9d0ddecafae8fd2d1; classtype:domain-c2; sid:2050801; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_02_13, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_13, reviewed_at 2024_03_14;)