ET USER_AGENTS Suspicious User-Agent (REBOL)

Query · suricata

flow:established,to_server;
http.user_agent;
content:"REBOL"; nocase; startswith;
Raw source ET USER_AGENTS Suspicious User-Agent (REBOL) · 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 USER_AGENTS Suspicious User-Agent (REBOL)";
    flow:established,to_server;
    http.user_agent;
    content:"REBOL"; nocase; startswith;
    reference:url,twitter.com/James_inthe_box/status/1441140639169609736;
    classtype:bad-unknown;
    sid:2034021; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_09_24, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_05_03;
)

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