ET MALWARE GhostRedirector Rungan Backdoor Access M3

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"action|3d|listfolder"; fast_pattern;
http.request_body;
content:"path|3d|";
Raw source ET MALWARE GhostRedirector Rungan Backdoor Access M3 · 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 any any -> $HOME_NET any (
    msg:"ET MALWARE GhostRedirector Rungan Backdoor Access M3";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"action|3d|listfolder"; fast_pattern;
    http.request_body;
    content:"path|3d|";
    reference:url,www.welivesecurity.com/en/eset-research/ghostredirector-poisons-windows-servers-backdoors-side-potatoes/;
    classtype:trojan-activity;
    sid:2064393; rev:1;
    metadata:affected_product Microsoft_IIS, attack_target Web_Server, tls_state plaintext, created_at 2025_09_05, deployment Perimeter, malware_family Rungan, performance_impact Low, confidence High, signature_severity Major, tag WebShell, tag Backdoor, tag Description_Generated_By_Proofpoint_Nexus, tag GhostRedirector, updated_at 2025_09_05, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1102, mitre_technique_name Web_Service;
)

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