ET MALWARE Webshell Access with Known Password Inbound - Possibly Iran-based

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.request_body;
content:"name=|22|authKey|22 0d 0a 0d 0a|woanware|0d 0a|"; fast_pattern;
Raw source ET MALWARE Webshell Access with Known Password Inbound - Possibly Iran-based · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET MALWARE Webshell Access with Known Password Inbound - Possibly Iran-based";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:"name=|22|authKey|22 0d 0a 0d 0a|woanware|0d 0a|"; fast_pattern;
    classtype:command-and-control;
    sid:2033418; rev:1;
    metadata:attack_target Server, created_at 2021_07_25, deployment Perimeter, confidence High, signature_severity Major, tag WebShell, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_25, mitre_tactic_id TA0003, mitre_tactic_name Persistence, mitre_technique_id T1505, mitre_technique_name Server_Software_Component;
)

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