ET WEB_SPECIFIC_APPS ABB Cylon Aspect multiple caldav URI endpoints skipChecksum Parameter Arbitrary File Upload Attempt

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/caldav"; fast_pattern; startswith;
pcre:"/^(?:Install|InstallAgendav|Upload)/R";
content:".php"; endswith;
http.request_body;
content:"name|3d 22|skipChecksum|22|";
content:"1"; within:10;
target:dest_ip;
Raw source ET WEB_SPECIFIC_APPS ABB Cylon Aspect multiple caldav URI endpoints skipChecksum Parameter Arbitrary File Upload 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 any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS ABB Cylon Aspect multiple caldav URI endpoints skipChecksum Parameter Arbitrary File Upload Attempt";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/caldav"; fast_pattern; startswith;
    pcre:"/^(?:Install|InstallAgendav|Upload)/R";
    content:".php"; endswith;
    http.request_body;
    content:"name|3d 22|skipChecksum|22|";
    content:"1"; within:10;
    reference:url,www.zeroscience.mk/codes/abb_aspect_badass2.txt;
    classtype:attempted-admin;
    sid:2064684; rev:1;
    metadata:affected_product ABB, attack_target IoT, tls_state plaintext, created_at 2025_09_15, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_09_15, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.