ET RETIRED SAFIB Assistant Remote Administration Tool CnC Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/api/exec"; fast_pattern; bsize:9;
http.header_names;
content:"Host|0d 0a|Content-Length|0d 0a 0d 0a|";
http.request_body;
content:"|31 00 00|"; offset:1;
content:"|01 00 00|"; distance:1;
Raw source ET RETIRED SAFIB Assistant Remote Administration Tool 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 RETIRED SAFIB Assistant Remote Administration Tool CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/api/exec"; fast_pattern; bsize:9;
    http.header_names;
    content:"Host|0d 0a|Content-Length|0d 0a 0d 0a|";
    http.request_body;
    content:"|31 00 00|"; offset:1;
    content:"|01 00 00|"; distance:1;
    reference:md5,7a40cf7374eb22988a32f47a433a76fe;
    classtype:misc-activity;
    sid:2038600; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2022_08_23, deployment Perimeter, deployment SSLDecrypt, former_category INFO, performance_impact Low, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_17, reviewed_at 2024_09_17;
)

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