ET INFO Windows Powershell User-Agent Usage

Query · suricata

flow:established,to_server;
http.user_agent;
content:"Mozilla/"; startswith;
content:") WindowsPowerShell/"; distance:0; fast_pattern;
Raw source ET INFO Windows Powershell User-Agent Usage · 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 INFO Windows Powershell User-Agent Usage";
    flow:established,to_server;
    http.user_agent;
    content:"Mozilla/"; startswith;
    content:") WindowsPowerShell/"; distance:0; fast_pattern;
    classtype:not-suspicious;
    sid:2033355; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2021_07_16, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_16;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.