DefenderYara/TrojanDownloader/O97M/Obfuse/TrojanDownloader_O97M_Obfus...

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rule TrojanDownloader_O97M_Obfuse_PAE_MTB{
meta:
description = "TrojanDownloader:O97M/Obfuse.PAE!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,03 00 03 00 03 00 00 "
strings :
$a_01_0 = {70 6f 77 65 72 73 68 65 6c 6c 2e 65 78 65 20 2d 57 69 6e 64 6f 77 53 74 79 6c 65 20 48 69 64 64 65 6e 20 2d 45 78 65 63 75 74 69 6f 6e 50 6f 6c 69 63 79 20 42 79 70 61 73 73 20 20 2d 63 6f 6d 6d 61 6e 64 20 } //1 powershell.exe -WindowStyle Hidden -ExecutionPolicy Bypass -command
$a_03_1 = {68 74 74 70 3a 2f 2f 6b 68 35 76 66 39 76 76 2e 63 6f 6d 2f 66 67 67 68 6c 6c 6b 2f [0-10] 2e 65 78 65 20 2d 4f 75 74 46 69 6c 65 20 43 3a 5c 55 73 65 72 73 5c 50 75 62 6c 69 63 5c [0-10] 2e 65 78 65 7d 3b } //1
$a_03_2 = {53 74 61 72 74 2d 50 72 6f 63 65 73 73 20 2d 46 69 6c 65 50 61 74 68 20 22 43 3a 5c 55 73 65 72 73 5c 50 75 62 6c 69 63 5c [0-10] 2e 65 78 65 22 7d } //1
condition:
((#a_01_0 & 1)*1+(#a_03_1 & 1)*1+(#a_03_2 & 1)*1) >=3
}