ET HUNTING Suspicious Terse HTTP Request to textbin

Query · suricata

flow:established,to_server;
http.request_line;
content:"GET /raw/"; startswith;
http.host;
content:"textbin.net"; bsize:11; fast_pattern;
http.header_names;
content:"|0d 0a|Host|0d 0a|Connection|0d 0a 0d 0a|"; bsize:22;
Raw source ET HUNTING Suspicious Terse HTTP Request to textbin · 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 Suspicious Terse HTTP Request to textbin";
    flow:established,to_server;
    http.request_line;
    content:"GET /raw/"; startswith;
    http.host;
    content:"textbin.net"; bsize:11; fast_pattern;
    http.header_names;
    content:"|0d 0a|Host|0d 0a|Connection|0d 0a 0d 0a|"; bsize:22;
    classtype:bad-unknown;
    sid:2034461; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2021_11_15, deployment Perimeter, deployment SSLDecrypt, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_11_15;
)

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