ET EXPLOIT BlogEngine 3.3 - syndication.axd XXE Injection Attempt

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/syndication.axd?apml="; fast_pattern;
pcre:"/^(?:https?:\/\/|(\d{1,3}\.){3}\d{1,3}|([a-z0-9-]+\.)+[a-z]{1,8})/Ri";
Raw source ET EXPLOIT BlogEngine 3.3 - syndication.axd XXE Injection 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 -> $HTTP_SERVERS any (
    msg:"ET EXPLOIT BlogEngine 3.3 - syndication.axd XXE Injection Attempt";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/syndication.axd?apml="; fast_pattern;
    pcre:"/^(?:https?:\/\/|(\d{1,3}\.){3}\d{1,3}|([a-z0-9-]+\.)+[a-z]{1,8})/Ri";
    reference:url,www.exploit-db.com/exploits/48422;
    classtype:attempted-admin;
    sid:2030106; rev:1;
    metadata:affected_product Web_Server_Applications, attack_target Server, created_at 2020_05_05, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2020_05_05;
)

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