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SID: 2065737 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 2Nov 12, 2025, 12:00 PM

ET MALWARE ZLoader User-Agent Observed

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE ZLoader User-Agent Observed"; flow:established,to_server; http.user_agent; bsize:14; content:"PresidentPutin"; classtype:trojan-activity; sid:2065737; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_11_12, deployment Perimeter, deployment SSLDecrypt, deprecation_reason Duplicate, malware_family Zloader, confidence High, signature_severity Major, tag c2, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_11_13, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:src_ip;)

Nov 12, 2025, 12:00 PM

Nov 13, 2025, 12:00 PM

Nov 12, 2025, 10:34 PM

Nov 13, 2025, 9:34 PM

rules/emerging-malware.rules