ET HUNTING GET Request to Pastebin .com with PowerShell User-Agent

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.host;
content:"pastebin.com"; endswith;
http.user_agent;
content:"WindowsPowerShell/5"; fast_pattern;
Raw source ET HUNTING GET Request to Pastebin .com with PowerShell User-Agent · 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 $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET HUNTING GET Request to Pastebin .com with PowerShell User-Agent";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.host;
    content:"pastebin.com"; endswith;
    http.user_agent;
    content:"WindowsPowerShell/5"; fast_pattern;
    classtype:bad-unknown;
    sid:2037753; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_07_13, deployment Perimeter, deployment SSLDecrypt, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_07_13;
)

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