DefenderYara/TrojanDownloader/O97M/Emotet/TrojanDownloader_O97M_Emote...

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rule TrojanDownloader_O97M_Emotet_SV_MTB{
meta:
description = "TrojanDownloader:O97M/Emotet.SV!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,05 00 05 00 05 00 00 "
strings :
$a_03_0 = {44 6f 20 57 68 69 6c 65 20 [0-15] 2e 43 72 65 61 74 65 28 4e 75 6c 6c 20 26 } //1
$a_03_1 = {2c 20 4d 53 46 6f 72 6d 73 2c 20 54 65 78 74 42 6f 78 22 90 0c 02 00 50 72 69 76 61 74 65 20 53 75 62 20 44 6f 63 75 6d 65 6e 74 5f 6f 70 65 6e 28 29 [0-09] 53 65 6c 65 63 74 20 43 61 73 65 } //1
$a_03_2 = {2e 43 6f 6e 74 72 6f 6c 54 69 70 54 65 78 74 20 2b 20 90 05 0f 06 41 2d 5a 61 2d 7a 2e } //1
$a_03_3 = {46 75 6e 63 74 69 6f 6e 20 [0-16] 28 29 [0-09] 53 65 6c 65 63 74 20 43 61 73 65 } //1
$a_03_4 = {3d 20 43 72 65 61 74 65 4f 62 6a 65 63 74 28 90 05 0f 06 41 2d 5a 61 2d 7a 29 } //1
condition:
((#a_03_0 & 1)*1+(#a_03_1 & 1)*1+(#a_03_2 & 1)*1+(#a_03_3 & 1)*1+(#a_03_4 & 1)*1) >=5
}