ET MALWARE Win32/RokRat CnC Activity (POST)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"|2f|uploadfile|3f|path|3d 2f|Comment|26|filename|3d|"; startswith; fast_pattern;
http.user_agent;
content:"Googlebot";
http.header;
content:"Authorization|3a 20|Bearer";
http.request_body;
content:"Content|2d|Type|3a 20|voice|2f|mp3|20|";
Raw source ET MALWARE Win32/RokRat CnC Activity (POST) · 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/RokRat CnC Activity (POST)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"|2f|uploadfile|3f|path|3d 2f|Comment|26|filename|3d|"; startswith; fast_pattern;
    http.user_agent;
    content:"Googlebot";
    http.header;
    content:"Authorization|3a 20|Bearer";
    http.request_body;
    content:"Content|2d|Type|3a 20|voice|2f|mp3|20|";
    reference:url,research.checkpoint.com/2023/chain-reaction-rokrats-missing-link;
    classtype:trojan-activity;
    sid:2045278; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_05_01, deployment Perimeter, deployment SSLDecrypt, malware_family Rokrat, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_01;
)

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