Versions (4)
Version DetailsCurrent
Rev: 4 • Dec 13, 2021, 12:00 PMET MALWARE Linux/Tsunami Remote Shell M1
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Linux/Tsunami Remote Shell M1"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/.x/var/run/tty"; startswith; fast_pattern; pcre:"/^\/\.x\/var\/run\/tty\d$/U"; http.user_agent; content:"Wget"; startswith; http.header_names; content:!"Referer"; classtype:trojan-activity; sid:2034684; rev:4; metadata:affected_product Linux, attack_target Client_Endpoint, created_at 2021_12_13, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_14;)
Dec 13, 2021, 12:00 PM
Mar 14, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 8, 2025, 9:34 PM
rules/emerging-malware.rules