ET INFO Metasploit Framework Checking For Update

Query · suricata

flow:established,to_server;
urilen:13;
http.method;
content:"POST";
http.uri;
content:"/updateserver"; fast_pattern;
http.user_agent;
content:"MSFX/"; depth:5;
http.header_names;
content:!"Referer";
Raw source ET INFO Metasploit Framework Checking For Update · 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 INFO Metasploit Framework Checking For Update";
    flow:established,to_server;
    urilen:13;
    http.method;
    content:"POST";
    http.uri;
    content:"/updateserver"; fast_pattern;
    http.user_agent;
    content:"MSFX/"; depth:5;
    http.header_names;
    content:!"Referer";
    classtype:misc-activity;
    sid:2020475; rev:7;
    metadata:affected_product Any, attack_target Client_and_Server, created_at 2015_02_19, deployment Perimeter, deployment Internet, deployment Internal, deployment Datacenter, confidence High, signature_severity Informational, tag Metasploit, updated_at 2023_05_03;
)

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