ET MALWARE RustyStealer CnC Checkin (POST)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.request_body;
content:"form|2d|data|3b 20|name|3d 22|hwid|22 0d 0a|";
content:"form|2d|data|3b 20|name|3d 22|build|22 0d 0a|"; distance:0; fast_pattern;
content:"form|2d|data|3b 20|name|3d 22|message|22 0d 0a|"; distance:0;
target:src_ip;
Raw source ET MALWARE RustyStealer 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 RustyStealer CnC Checkin (POST)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:"form|2d|data|3b 20|name|3d 22|hwid|22 0d 0a|";
    content:"form|2d|data|3b 20|name|3d 22|build|22 0d 0a|"; distance:0; fast_pattern;
    content:"form|2d|data|3b 20|name|3d 22|message|22 0d 0a|"; distance:0;
    reference:md5,fc840a1068f54dbb45e50fe444f70cda;
    reference:url,x.com/Jane_0sint/status/1902817576117297326;
    classtype:command-and-control;
    sid:2061006; 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_03_21, deployment Perimeter, malware_family RustyStealer, confidence High, signature_severity Critical, tag c2, updated_at 2025_03_21, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;
    target:src_ip;
)

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.