Versions (4)
Version DetailsCurrent
Rev: 2 • Aug 31, 2020, 12:00 PMET MALWARE Upatre User-Agent
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Upatre User-Agent"; flow:established,to_server; http.user_agent; content:"onlymacros"; depth:10; endswith; reference:md5,b4ddb47165bf5362f0b33ed907b1ee08; classtype:command-and-control; sid:2030818; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_08_31, deployment Perimeter, confidence High, signature_severity Major, tag Upatre, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_31;)
Aug 31, 2020, 12:00 PM
Aug 31, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 16, 2025, 8:36 PM
rules/emerging-malware.rules