ET MALWARE Powershell Octopus Backdoor Activity (GET)

Query · suricata

flow:established,to_server;
http.request_line;
content:"GET /bills HTTP/1.1"; fast_pattern;
http.header_names;
content:!"Referer";
content:"|0d 0a|App-Logic|0d 0a|Authorization|0d 0a|Session|0d 0a|";
Raw source ET MALWARE Powershell Octopus Backdoor Activity (GET) · 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 Powershell Octopus Backdoor Activity (GET)";
    flow:established,to_server;
    http.request_line;
    content:"GET /bills HTTP/1.1"; fast_pattern;
    http.header_names;
    content:!"Referer";
    content:"|0d 0a|App-Logic|0d 0a|Authorization|0d 0a|Session|0d 0a|";
    reference:url,app.any.run/tasks/0c991e38-b571-435c-a34b-281b2c9df1ef/;
    classtype:trojan-activity;
    sid:2034940; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_01_19, deployment Perimeter, malware_family LazyScripter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_09_28;
)

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