ET MALWARE RHttpCtrl Backdoor CnC

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php"; endswith;
http.request_body;
content:"ver="; startswith;
content:"&id="; distance:0;
content:"&random="; distance:0;
content:"&hname="; distance:0;
content:"&lanip="; distance:0; fast_pattern;
content:"&os="; distance:0;
Raw source ET MALWARE RHttpCtrl Backdoor CnC · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE RHttpCtrl Backdoor CnC";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".php"; endswith;
    http.request_body;
    content:"ver="; startswith;
    content:"&id="; distance:0;
    content:"&random="; distance:0;
    content:"&hname="; distance:0;
    content:"&lanip="; distance:0; fast_pattern;
    content:"&os="; distance:0;
    reference:md5,ed09b0dba74bf68ec381031e2faf4448;
    reference:url,www.ptsecurity.com/ww-en/analytics/pt-esc-threat-intelligence/eagle-eye-is-back-apt30/;
    classtype:command-and-control;
    sid:2030397; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2020_06_25, deployment Perimeter, malware_family APT30, performance_impact Low, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_06_25;
)

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