ET INFO Minimal HTTP GET Request to rebrand .ly

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.start;
content:"HTTP/1.1|0d 0a|Host|3a 20|rebrand.ly|0d 0a|Connection|3a 20|Keep-Alive|0d 0a 0d 0a|"; endswith; fast_pattern;
Raw source ET INFO Minimal HTTP GET Request to rebrand .ly · 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 Minimal HTTP GET Request to rebrand .ly";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.start;
    content:"HTTP/1.1|0d 0a|Host|3a 20|rebrand.ly|0d 0a|Connection|3a 20|Keep-Alive|0d 0a 0d 0a|"; endswith; fast_pattern;
    classtype:misc-activity;
    sid:2031589; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_01_29, deployment Perimeter, confidence High, signature_severity Informational, updated_at 2021_01_29;
)

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