rule Backdoor_Win32_Farfli_AH{ meta: description = "Backdoor:Win32/Farfli.AH,SIGNATURE_TYPE_PEHSTR_EXT,ffffffe6 00 ffffffc8 00 08 00 00 " strings : $a_01_0 = {b2 e9 d5 d2 46 57 4b 4a 47 48 ca a7 b0 dc a3 ac cd cb b3 f6 00 } //100 $a_01_1 = {c6 45 ec 46 c6 45 ed 57 c6 45 ee 4b c6 45 ef 4a 8b 55 ec 8d 8e b0 } //100 $a_01_2 = {c6 45 dc 77 c6 45 dd 61 c6 45 de 76 88 5d df } //20 $a_01_3 = {c6 45 f4 72 c6 45 f5 65 c6 45 f6 63 c6 45 f7 76 c6 45 f8 00 } //20 $a_01_4 = {b0 65 b2 74 88 45 e9 88 45 eb 88 45 ed 88 45 f7 8d 45 e8 b1 69 } //20 $a_01_5 = {b8 12 00 cd 10 bd 18 7c b9 18 00 b8 01 13 bb 0c 00 ba 1d 0e cd 10 e2 fe 47 61 6d 65 20 4f 76 65 72 } //10 $a_01_6 = {0f 20 c0 0d 00 00 01 00 0f 22 c0 fb } //10 $a_01_7 = {c6 45 f0 47 c6 45 f1 48 66 8b 45 f0 89 11 c7 86 a8 00 00 00 ff ff ff ff 66 89 41 04 } //10 condition: ((#a_01_0 & 1)*100+(#a_01_1 & 1)*100+(#a_01_2 & 1)*20+(#a_01_3 & 1)*20+(#a_01_4 & 1)*20+(#a_01_5 & 1)*10+(#a_01_6 & 1)*10+(#a_01_7 & 1)*10) >=200 }