alert http any any -> $HOME_NET any (
msg:"ET MALWARE GhostRedirector Rungan Backdoor Access M1";
flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"action|3d|cmd"; fast_pattern;
http.request_body;
content:"cmdpath|3d|";
content:"ming1|3d|";
reference:url,www.welivesecurity.com/en/eset-research/ghostredirector-poisons-windows-servers-backdoors-side-potatoes/;
classtype:trojan-activity;
sid:2064391; 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;
target:dest_ip;
)