DefenderYara/Backdoor/Win32/Farfli/Backdoor_Win32_Farfli_BI.yar

14 lines
660 B
Plaintext

rule Backdoor_Win32_Farfli_BI{
meta:
description = "Backdoor:Win32/Farfli.BI,SIGNATURE_TYPE_PEHSTR_EXT,04 00 04 00 04 00 00 "
strings :
$a_01_0 = {43 3a 5c 46 57 2e 46 57 } //1 C:\FW.FW
$a_03_1 = {53 65 74 46 69 6c 65 50 6f 69 6e 74 65 72 [0-05] 25 73 25 73 25 73 [0-05] 25 73 25 73 2a 2e 2a } //1
$a_01_2 = {6d 6f 7a 69 00 00 00 00 6c 6c 61 2f 34 2e 30 20 28 63 6f 6d 70 61 74 69 62 6c 65 29 } //1
$a_03_3 = {43 72 65 61 74 65 50 72 6f 63 65 73 73 41 [0-08] 25 31 [0-05] 22 25 31 ?? 25 73 5c 73 68 65 6c 6c 5c 6f 70 65 6e 5c 63 6f 6d 6d 61 6e 64 } //1
condition:
((#a_01_0 & 1)*1+(#a_03_1 & 1)*1+(#a_01_2 & 1)*1+(#a_03_3 & 1)*1) >=4
}