ET MALWARE Win32/VB.NBI CnC Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/api/soap/"; startswith;
content:".php"; endswith;
http.request_body;
content:"|3c 3f|xml|20|version|3d 22|1|2e|0|22 20|encoding|3d 22|UTF|2d|8|22 3f 3e|"; startswith;
content:"|22 3e 3c|username|20|"; distance:0;
content:"|3c 2f|username|3e 3c|password|20|"; distance:0; fast_pattern;
Raw source ET MALWARE Win32/VB.NBI CnC Checkin · 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 $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/VB.NBI CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/api/soap/"; startswith;
    content:".php"; endswith;
    http.request_body;
    content:"|3c 3f|xml|20|version|3d 22|1|2e|0|22 20|encoding|3d 22|UTF|2d|8|22 3f 3e|"; startswith;
    content:"|22 3e 3c|username|20|"; distance:0;
    content:"|3c 2f|username|3e 3c|password|20|"; distance:0; fast_pattern;
    reference:md5,42691347a0ba4a593ffe3a230c579a77;
    classtype:command-and-control;
    sid:2037835; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_07_26, deployment Perimeter, malware_family Win32_VB_NBI, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_07_26;
)

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