Rule History

alert http $HOME_NET any -> 196.251.107.61/32 any (msg:"ET MALWARE HTTP Request to Known Stealer Payload Delivery Host"; flow:established,to_server; http.host; bsize:14; content:"196.251.107.61"; classtype:trojan-activity; sid:2066932; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_01_22, deployment Perimeter, deployment SSLDecrypt, malware_family Stealc, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_01_22, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1105, mitre_technique_name Ingress_Tool_Transfer; target:src_ip;)