Versions (3)
Version DetailsCurrent
Rev: 3 • May 17, 2019, 12:00 PMET MALWARE Winnti Payload - XORed Check-in to Infected System (0xd4413890)
alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Winnti Payload - XORed Check-in to Infected System (0xd4413890)"; flow:established,to_server; dsize:<300; content:"|b0 1c 03 d4 90 38 41 d4 2a b4 80 7f|"; depth:12; content:"|04 00|"; endswith; reference:url,medium.com/chronicle-blog/winnti-more-than-just-windows-and-gates-e4f03436031a; classtype:trojan-activity; sid:2027361; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2019_05_17, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag APT, tag Winnti, updated_at 2022_03_24;)
May 17, 2019, 12:00 PM
Mar 24, 2022, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules