ET MALWARE [ANY.RUN] Socks5Systemz TCP Backconnect Client Traffic

Query · suricata

flow:established,to_server;
stream_size:server,=,1;
stream_size:client,=,12;
dsize:10;
content:"|c0 a8 64|"; depth:3;
Raw source ET MALWARE [ANY.RUN] Socks5Systemz TCP Backconnect Client Traffic · 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 1074 (
    msg:"ET MALWARE [ANY.RUN] Socks5Systemz TCP Backconnect Client Traffic";
    flow:established,to_server;
    stream_size:server,=,1;
    stream_size:client,=,12;
    dsize:10;
    content:"|c0 a8 64|"; depth:3;
    reference:md5,1eef6f11bc52c68880c0fa35f8318923;
    reference:url,app.any.run/tasks/685b5fb6-1b1a-4f4d-92f5-8a9593275a92;
    classtype:trojan-activity;
    sid:2049397; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_11_29, deployment Perimeter, malware_family Socks5Systemz, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_11_29;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.