ET MALWARE Kaseya VSA Exploit Activity M1 (SET)

Query · suricata

flow:established,to_server;
http.request_line;
content:"POST|20|/dl.asp|20|"; fast_pattern; startswith;
http.user_agent;
content:"curl/"; startswith;
flowbits:set,ET.kaseya1;
flowbits:noalert;

Rule dependencies

Feeds into

Raw source ET MALWARE Kaseya VSA Exploit Activity M1 (SET) · 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 Kaseya VSA Exploit Activity M1 (SET)";
    flow:established,to_server;
    http.request_line;
    content:"POST|20|/dl.asp|20|"; fast_pattern; startswith;
    http.user_agent;
    content:"curl/"; startswith;
    flowbits:set,ET.kaseya1;
    flowbits:noalert;
    reference:url,www.huntress.com/blog/rapid-response-kaseya-vsa-mass-msp-ransomware-incident;
    classtype:trojan-activity;
    sid:2033248; rev:1;
    metadata:affected_product Kaseya_VSA, attack_target Web_Server, created_at 2021_07_06, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_06;
)

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