ET MALWARE Koadic Framework Requesting Payload (GET) M2

Query · suricata

flow:established,to_server;
urilen:6;
http.method;
content:"GET";
http.uri;
content:"/stage"; fast_pattern;
http.user_agent; bsize:57;
content:"Mozilla|2f|4|2e|0|20 28|compatible|3b 20|Win32|3b 20|WinHttp|2e|WinHttpRequest|2e|5|29|";
Raw source ET MALWARE Koadic Framework Requesting Payload (GET) M2 · 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 1024: (
    msg:"ET MALWARE Koadic Framework Requesting Payload (GET) M2";
    flow:established,to_server;
    urilen:6;
    http.method;
    content:"GET";
    http.uri;
    content:"/stage"; fast_pattern;
    http.user_agent; bsize:57;
    content:"Mozilla|2f|4|2e|0|20 28|compatible|3b 20|Win32|3b 20|WinHttp|2e|WinHttpRequest|2e|5|29|";
    reference:md5,2b1aadc3c4eebdd8b4bbd4cbb1fb2468;
    reference:url,twitter.com/naumovax/status/1790298161178714149;
    classtype:trojan-activity;
    sid:2052619; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_05_15, deployment Perimeter, malware_family Koadic, confidence High, signature_severity Critical, tag RAT, updated_at 2024_05_15;
)

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