ET USER_AGENTS Observed Suspicious UA (h55u4u4u5uii5)

Query · suricata

flow:established,to_server;
http.user_agent;
content:"h55u4u4u5uii5"; bsize:13;
Raw source ET USER_AGENTS Observed Suspicious UA (h55u4u4u5uii5) · 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 Observed Suspicious UA (h55u4u4u5uii5)";
    flow:established,to_server;
    http.user_agent;
    content:"h55u4u4u5uii5"; bsize:13;
    reference:url,www.welivesecurity.com/2020/04/28/grandoreiro-how-engorged-can-exe-get/;
    classtype:trojan-activity;
    sid:2030058; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2020_04_29, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_29;
)

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