rule Shifu { meta: author = "xylitol@temari.fr" description = "Search for hex and strings pattern on Win32/Spy.Shiz.NCP (Shifu)" // May only the challenge guide you... strings: $a1 = {C7 06 3C 00 00 00 C7 46 0C ?? ?? ?? ?? 89 5E 10 89 46 14 C7 46 04 40 00 00 00 EB 1C} $a2 = {85 C0 75 3A 68 ?? ?? ?? ?? 53 FF 15 ?? ?? ?? ?? 85 C0} $a3 = {8A 1C 0E 32 5D 0C 88 19 41 4A 75 F4} $b1 = "cmd.exe" wide ascii $b2 = "runas" wide ascii $b3 = "exe" condition: all of ($a*) and 2 of ($b*) }