ET MALWARE Win32/RootTeam Stealer CnC Response

Query · suricata

flow:established,to_client;
http.stat_code;
content:"200";
http.content_type;
content:"application/json"; startswith;
http.response_body;
content:"|7b 22|access|5f|key|22 3a 22|"; startswith;
content:"|2c 22|delete|5f|key|22 3a 22|"; fast_pattern;
pcre:"/^(?:[0-9A-Za-z]{30})/R";
content:"|22 2c 22|direct|5f|url|22 3a 22|"; within:16;
content:"|22 2c 22|sha256sum|22 3a 22|";
Raw source ET MALWARE Win32/RootTeam Stealer CnC Response · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Win32/RootTeam Stealer CnC Response";
    flow:established,to_client;
    http.stat_code;
    content:"200";
    http.content_type;
    content:"application/json"; startswith;
    http.response_body;
    content:"|7b 22|access|5f|key|22 3a 22|"; startswith;
    content:"|2c 22|delete|5f|key|22 3a 22|"; fast_pattern;
    pcre:"/^(?:[0-9A-Za-z]{30})/R";
    content:"|22 2c 22|direct|5f|url|22 3a 22|"; within:16;
    content:"|22 2c 22|sha256sum|22 3a 22|";
    reference:url,twitter.com/g0njxa/status/1661361906798542849;
    reference:md5,b985f86091846026c4ea9b93d78e7524;
    classtype:trojan-activity;
    sid:2046807; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_07_12, deployment Perimeter, deployment SSLDecrypt, malware_family RootTeamStealer, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_07_12;
)

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