Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to Lumma Stealer Domain (processhol .sbs)"; dns.query; dotprefix; content:".processhol.sbs"; nocase; endswith; classtype:trojan-activity; sid:2057697; rev:2; metadata:attack_target Client_Endpoint, created_at 2024_11_18, deployment Perimeter, deprecation_reason Age, malware_family lumma, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_05_14, reviewed_at 2025_05_14;)