ET MALWARE Win32/SandCat CnC Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php"; endswith;
http.request_body;
content:"u_id="; depth:5;
content:"&username=";
content:"&computername=";
content:"&arch=";
content:"&os=Microsoft Windows|20|";
content:"&local_ip_address=";
content:"&global_ip_address="; fast_pattern;
http.header_names;
content:!"Referer";
Raw source ET MALWARE Win32/SandCat CnC Checkin · 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 Win32/SandCat CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".php"; endswith;
    http.request_body;
    content:"u_id="; depth:5;
    content:"&username=";
    content:"&computername=";
    content:"&arch=";
    content:"&os=Microsoft Windows|20|";
    content:"&local_ip_address=";
    content:"&global_ip_address="; fast_pattern;
    http.header_names;
    content:!"Referer";
    reference:md5,fe5338aee73b3aae375d7192067dc5c8;
    classtype:command-and-control;
    sid:2029643; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_03_17, deployment Perimeter, deployment SSLDecrypt, malware_family SandCat, confidence High, signature_severity Major, updated_at 2020_03_17;
)

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