ET EXPLOIT Possible MPC Sharj 3.11.1 - Arbitrary File Download Attempt

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/download.php?id="; fast_pattern;
pcre:"/^(?:==[A-Z0-9+/]{2}|=[A-Z0-9+/]{3}|[A-Z0-9+/]{4})(?:[A-Z0-9+/]{4})*$/Ri";
content:"L"; endswith;
Raw source ET EXPLOIT Possible MPC Sharj 3.11.1 - Arbitrary File Download 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 -> $HTTP_SERVERS any (
    msg:"ET EXPLOIT Possible MPC Sharj 3.11.1 - Arbitrary File Download Attempt";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/download.php?id="; fast_pattern;
    pcre:"/^(?:==[A-Z0-9+/]{2}|=[A-Z0-9+/]{3}|[A-Z0-9+/]{4})(?:[A-Z0-9+/]{4})*$/Ri";
    content:"L"; endswith;
    reference:url,www.exploit-db.com/exploits/48433;
    classtype:attempted-admin;
    sid:2030115; rev:1;
    metadata:attack_target Web_Server, created_at 2020_05_06, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_05_06;
)

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