rule Backdoor_Win32_Zegost_AG{ meta: description = "Backdoor:Win32/Zegost.AG,SIGNATURE_TYPE_PEHSTR_EXT,02 00 02 00 02 00 00 " strings : $a_03_0 = {81 3b 47 65 74 50 75 ?? 81 7b 04 72 6f 63 41 75 ?? 60 8b 75 fc 8b 5e 24 } //1 $a_03_1 = {b9 00 08 00 00 33 c0 8d bd 00 e0 ff ff f3 ab 6a 00 68 00 20 00 00 8d 8d 00 e0 ff ff 51 8b 95 ?? ?? ff ff 8b 82 ?? 00 00 00 50 ff 15 } //1 condition: ((#a_03_0 & 1)*1+(#a_03_1 & 1)*1) >=2 }