ET MALWARE Gamaredon CnC Checkin (POST)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php"; endswith;
http.request_body;
content:"ilogin="; startswith; fast_pattern;
pcre:"/^[A-Z0-9]{8}/R";
content:"|25|3b"; within:3;
pcre:"/^[a-z0-9]{10}$/R";
Raw source ET MALWARE Gamaredon CnC Checkin (POST) · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Gamaredon CnC Checkin (POST)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".php"; endswith;
    http.request_body;
    content:"ilogin="; startswith; fast_pattern;
    pcre:"/^[A-Z0-9]{8}/R";
    content:"|25|3b"; within:3;
    pcre:"/^[a-z0-9]{10}$/R";
    reference:md5,0b27c465c9104e9a711c83ec4d5a04a4;
    reference:url,x.com/Cyber0verload/status/1828407745067835445;
    classtype:trojan-activity;
    sid:2055530; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_08_27, deployment Perimeter, deployment SSLDecrypt, confidence Medium, signature_severity Critical, tag Gamaredon, updated_at 2024_08_27;
)

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