ET WEB_SPECIFIC_APPS ABB Cylon Aspect Unauthenticated DeploymentServelet Request Type DeploySource Directory Traversal and Arbitrary File Upload Attempt

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS ABB Cylon Aspect Unauthenticated DeploymentServelet Request Type DeploySource Directory Traversal and Arbitrary File Upload Attempt";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/servelets/DeploymentServlet"; fast_pattern; startswith;
    content:"RequestType|3d|DeploySource";
    content:"filename|3d|";
    pcre:"/^[^\x26]*?(?:(?:\x2e|%2[Ee]){1,2}(?:\x2f|\x5c|%5[Cc]|%2[Ff]){1,}){2,}/R";
    content:"directory|3d|";
    http.host; bsize:9;
    content:"127.0.0.1";
    reference:url,www.zeroscience.mk/codes/abb_aspect_rce28.txt;
    classtype:web-application-attack;
    sid:2063894; rev:1;
    metadata:affected_product ABB, attack_target IoT, tls_state plaintext, created_at 2025_08_04, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2025_08_04, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)