DefenderYara/TrojanDownloader/O97M/Dotraj/TrojanDownloader_O97M_Dotra...

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rule TrojanDownloader_O97M_Dotraj_P{
meta:
description = "TrojanDownloader:O97M/Dotraj.P,SIGNATURE_TYPE_MACROHSTR_EXT,0c 00 0c 00 04 00 00 01 00 "
strings :
$a_01_0 = {43 72 65 61 74 65 4f 62 6a 65 63 74 28 22 4d 53 58 4d 4c 32 2e 53 65 72 76 65 72 58 4d 4c 48 54 54 50 } //01 00
$a_01_1 = {43 72 65 61 74 65 4f 62 6a 65 63 74 28 22 57 53 63 72 69 70 74 2e 53 68 65 6c 6c } //01 00
$a_03_2 = {57 72 69 74 65 20 90 02 10 2e 52 65 73 70 6f 6e 73 65 42 6f 64 79 90 00 } //0a 00
$a_02_3 = {50 75 62 6c 69 63 20 53 75 62 20 41 75 74 6f 5f 4f 70 65 6e 28 29 90 02 ff 90 02 ff 90 02 ff 2e 65 78 65 63 20 28 22 90 02 10 2e 65 78 65 22 29 90 00 } //00 00
condition:
any of ($a_*)
}
rule TrojanDownloader_O97M_Dotraj_P_2{
meta:
description = "TrojanDownloader:O97M/Dotraj.P,SIGNATURE_TYPE_MACROHSTR_EXT,05 00 05 00 05 00 00 01 00 "
strings :
$a_01_0 = {41 74 74 72 69 62 75 74 65 20 56 42 5f 4e 61 6d 65 20 3d 20 22 4e 65 77 4d 61 63 72 6f 73 22 } //01 00
$a_01_1 = {43 72 65 61 74 65 4f 62 6a 65 63 74 28 22 57 53 63 72 69 70 74 2e 53 68 65 6c 6c 22 29 2e 45 78 65 63 20 } //01 00
$a_01_2 = {43 72 65 61 74 65 4f 62 6a 65 63 74 28 22 57 53 63 72 69 70 74 2e 53 68 65 6c 6c 22 29 2e 52 75 6e 20 } //01 00
$a_01_3 = {63 20 3d 20 43 68 72 28 62 29 0d 0a 45 6e 64 20 46 75 6e 63 74 69 6f 6e } //01 00
$a_01_4 = {20 2b 20 52 65 70 6c 61 63 65 28 63 28 78 29 2c 20 } //00 00
condition:
any of ($a_*)
}