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Rev: 2 • Jul 6, 2021, 12:00 PMET MALWARE Possible Kaseya VSA Exploit Activity Inbound M1
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Possible Kaseya VSA Exploit Activity Inbound M1"; flow:established,to_server; flowbits:isset,ET.kaseya1; http.method; content:"GET"; http.uri; content:"/done.asp"; endswith; fast_pattern; http.user_agent; content:"curl/"; startswith; reference:url,www.huntress.com/blog/rapid-response-kaseya-vsa-mass-msp-ransomware-incident; classtype:trojan-activity; sid:2033250; rev:2; metadata:affected_product Kaseya_VSA, attack_target Client_Endpoint, 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;)
Jul 6, 2021, 12:00 PM
Mar 10, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 10, 2025, 9:34 PM
rules/emerging-malware.rules