Versions (2)
Version DetailsCurrent
Rev: 1 • Oct 15, 2025, 12:00 PMET MALWARE iMonitor EAM CnC Agent Request (AGENTCONN)
alert tcp-pkt $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET MALWARE iMonitor EAM CnC Agent Request (AGENTCONN)"; flow:established,to_server; flowbits:set,ET.iMonitor.Checkin; dsize:<150; content:"AGENTCONN|01|"; startswith; fast_pattern; content:"|01|"; endswith; threshold:type limit,count 1,seconds 300,track by_src; reference:url,x.com/Jane_0sint/status/1977826605767721158; reference:md5,447338af0ea5509735050add5ba9192a; classtype:command-and-control; sid:2065210; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2025_10_15, deployment Perimeter, malware_family iMonitor, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_15, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1219, mitre_technique_name Remote_Access_Software; target:src_ip;)
Oct 15, 2025, 12:00 PM
Oct 15, 2025, 12:00 PM
Oct 15, 2025, 9:35 PM
Oct 16, 2025, 8:36 PM
rules/emerging-malware.rules