DefenderYara/TrojanDownloader/O97M/Donoff/TrojanDownloader_O97M_Donof...

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859 B
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rule TrojanDownloader_O97M_Donoff_HDR_MTB{
meta:
description = "TrojanDownloader:O97M/Donoff.HDR!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,04 00 04 00 04 00 00 01 00 "
strings :
$a_03_0 = {77 77 77 2e 79 65 73 66 6f 72 6d 2e 63 6f 6d 2f 61 63 74 69 76 65 2f 73 65 61 72 63 68 4d 65 73 73 65 6e 67 65 72 2f 75 70 64 61 74 65 32 2f 73 65 61 72 63 68 4d 65 73 73 65 6e 67 65 72 5f 75 70 67 72 61 64 65 5f 78 2e 65 78 65 90 0a 53 00 68 74 74 70 3a 2f 2f 90 00 } //01 00
$a_01_1 = {53 68 65 6c 6c 20 22 43 3a 5c 73 4d 65 73 73 65 6e 67 65 72 5c 73 65 61 72 63 68 4d 65 73 73 65 6e 67 65 72 5f 75 70 67 72 61 64 65 5f 78 2e 65 78 65 22 } //01 00
$a_01_2 = {2e 46 6f 6c 64 65 72 45 78 69 73 74 73 28 22 43 3a 5c 73 4d 65 73 73 65 6e 67 65 72 22 29 } //01 00
$a_01_3 = {4b 69 6c 6c 20 44 4c 6f 63 61 6c 46 69 6c 65 } //00 00
condition:
any of ($a_*)
}