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

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2024-02-05 06:12:47 -08:00
rule TrojanDownloader_O97M_Donoff_FL{
meta:
description = "TrojanDownloader:O97M/Donoff.FL,SIGNATURE_TYPE_MACROHSTR_EXT,01 00 01 00 05 00 00 01 00 "
strings :
$a_03_0 = {2f 20 43 42 6f 6f 6c 28 90 04 05 06 61 2d 7a 41 2d 5a 29 20 2d 20 90 04 05 06 61 2d 7a 41 2d 5a 20 2f 20 4f 63 74 28 90 04 05 03 30 2d 39 20 2f 20 48 65 78 28 90 00 } //01 00
$a_03_1 = {48 65 78 28 90 04 05 06 61 2d 7a 41 2d 5a 20 2a 20 43 68 72 57 28 90 04 06 06 61 2d 7a 41 2d 5a 20 2b 20 49 6e 74 28 90 04 05 06 61 2d 7a 41 2d 5a 20 2a 20 52 6e 64 28 90 00 } //01 00
$a_03_2 = {54 61 6e 28 90 04 05 06 61 2d 7a 41 2d 5a 20 2a 20 49 6e 74 28 90 04 05 06 61 2d 7a 41 2d 5a 20 2a 20 53 71 72 28 90 04 05 03 30 2d 39 29 20 2f 20 90 04 06 06 61 2d 7a 41 2d 5a 20 2b 20 46 69 78 28 90 00 } //01 00
$a_03_3 = {43 44 62 6c 28 90 04 05 06 61 2d 7a 41 2d 5a 29 20 2d 20 90 04 05 06 61 2d 7a 41 2d 5a 20 2f 20 43 53 6e 67 28 90 04 05 03 30 2d 39 29 20 2d 20 90 04 05 06 61 2d 7a 41 2d 5a 20 2f 20 48 65 78 28 90 00 } //01 00
$a_03_4 = {43 68 72 42 28 90 04 05 03 30 2d 39 20 2b 20 53 69 6e 28 90 04 05 06 61 2d 7a 41 2d 5a 20 2a 20 43 4c 6e 67 28 90 04 05 06 61 2d 7a 41 2d 5a 20 2b 20 90 04 05 03 30 2d 39 29 20 2b 90 00 } //00 00
condition:
any of ($a_*)
}