DefenderYara/TrojanDownloader/O97M/Powdow/TrojanDownloader_O97M_Powdow_BKI_MTB.yar

rule TrojanDownloader_O97M_Powdow_BKI_MTB{
	meta:
		description = "TrojanDownloader:O97M/Powdow.BKI!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,04 00 04 00 04 00 00 01 00 "
		
	strings :
		$a_01_0 = {22 57 69 6e 64 6f 77 73 50 6f 22 20 2b 20 22 77 65 72 53 68 65 6c 6c 5c 76 31 2e 30 5c 70 6f 77 22 20 2b 20 22 65 72 73 68 65 6c 6c 2e 65 78 65 22 } //01 00  "WindowsPo" + "werShell\v1.0\pow" + "ershell.exe"
		$a_01_1 = {73 74 61 72 74 20 2f 4d 49 4e 20 43 3a 5c 57 69 6e 64 6f 22 } //01 00  start /MIN C:\Windo"
		$a_03_2 = {62 61 74 63 68 20 3d 20 22 90 02 1e 2e 62 61 74 22 90 00 } //01 00 
		$a_01_3 = {69 20 3d 20 53 68 65 6c 6c 28 62 61 74 63 68 2c 20 30 29 } //00 00  i = Shell(batch, 0)
	condition:
		any of ($a_*)
 
}