ET MALWARE [PTsecurity] Win32/Remcos RAT Checkin 51

Query · suricata

flow:established,to_server;
stream_size:server,=,1;
content:"|4139 2f55 647c c126 8775 8f|"; depth:11;
Raw source ET MALWARE [PTsecurity] Win32/Remcos RAT Checkin 51 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE [PTsecurity] Win32/Remcos RAT Checkin 51";
    flow:established,to_server;
    stream_size:server,=,1;
    content:"|4139 2f55 647c c126 8775 8f|"; depth:11;
    reference:md5,4f3cc55c79b37a52d8f087dbf7093dcd;
    classtype:command-and-control;
    sid:2026433; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_10_02, deployment Perimeter, malware_family Remcos, confidence High, signature_severity Major, updated_at 2022_04_18, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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