ET WEB_SPECIFIC_APPS Webmin Directory Traversal

alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (
    msg:"ET WEB_SPECIFIC_APPS Webmin Directory Traversal";
    flow:to_server,established;
    http.method;
    content:"POST";
    http.uri;
    content:"/save_env.cgi"; fast_pattern;
    http.request_body;
    content:"&user=";
    content:"|2e 2e 2f|"; distance:0;
    reference:url,sites.utexas.edu/iso/2014/09/09/arbitrary-file-deletion-as-root-in-webmin/;
    classtype:misc-attack;
    sid:2019157; rev:6;
    metadata:created_at 2014_09_10, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, updated_at 2024_11_26, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1083, mitre_technique_name File_And_Directory_Discovery;
    target:dest_ip;
)