ET MALWARE Win32/ScarCruf Payload Inbound

Query · suricata

flow:established,to_client;
http.response_body;
content:"|4d 53 43 46|"; startswith;
content:"trap.bat"; fast_pattern;
content:"check.bat";
content:"rdssvc32.dll";
content:"rdssvc64.dll";
Raw source ET MALWARE Win32/ScarCruf Payload Inbound · Suricata
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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/ScarCruf Payload Inbound";
    flow:established,to_client;
    http.response_body;
    content:"|4d 53 43 46|"; startswith;
    content:"trap.bat"; fast_pattern;
    content:"check.bat";
    content:"rdssvc32.dll";
    content:"rdssvc64.dll";
    reference:url,mp-weixin-qq-com.translate.goog/s/RHbsCLzahLP0zGgC3N5pPQ?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-US&_x_tr_pto=wapp;
    reference:url,twitter.com/RexorVc0/status/1646407684936048640;
    classtype:trojan-activity;
    sid:2044937; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_04_13, deployment Perimeter, malware_family ScarCruft, confidence High, signature_severity Major, tag APT_C_28, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_19;
)

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