ET MALWARE Possible Kaseya VSA Exploit URI Structure Inbound

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/userFilterTableRpt.asp"; fast_pattern; endswith;
http.user_agent;
content:"curl/"; startswith;
Raw source ET MALWARE Possible Kaseya VSA Exploit URI Structure Inbound · 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 -> $HOME_NET any (
    msg:"ET MALWARE Possible Kaseya VSA Exploit URI Structure Inbound";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/userFilterTableRpt.asp"; fast_pattern; endswith;
    http.user_agent;
    content:"curl/"; startswith;
    reference:url,www.huntress.com/blog/rapid-response-kaseya-vsa-mass-msp-ransomware-incident;
    classtype:trojan-activity;
    sid:2033252; rev:2;
    metadata:affected_product Kaseya_VSA, attack_target Web_Server, created_at 2021_07_06, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_10, reviewed_at 2024_05_06;
)

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.