ET EXPLOIT Ubiquiti Networks UniFi Cloud Key Firm v0.6.1 Host Remote Command Execution attempt

Query · suricata

flow:to_server,established;
urilen:7;
http.method;
content:"GET"; nocase;
http.uri;
content:"/status"; fast_pattern;
http.header;
content:"Host|3a|"; nocase;
content:"|3b|"; within:50; distance:0;
pcre:"/^Host\x3a[^\n]{0,50}?\x3b/mi";
Raw source ET EXPLOIT Ubiquiti Networks UniFi Cloud Key Firm v0.6.1 Host Remote Command Execution attempt · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET EXPLOIT Ubiquiti Networks UniFi Cloud Key Firm v0.6.1 Host Remote Command Execution attempt";
    flow:to_server,established;
    urilen:7;
    http.method;
    content:"GET"; nocase;
    http.uri;
    content:"/status"; fast_pattern;
    http.header;
    content:"Host|3a|"; nocase;
    content:"|3b|"; within:50; distance:0;
    pcre:"/^Host\x3a[^\n]{0,50}?\x3b/mi";
    reference:url,cxsecurity.com/issue/WLB-2017080038;
    classtype:web-application-attack;
    sid:2024548; rev:3;
    metadata:affected_product Linux, attack_target IoT, created_at 2017_08_14, deployment Perimeter, performance_impact Moderate, confidence Medium, signature_severity Major, updated_at 2020_08_11;
)

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