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

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853 B
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rule TrojanDownloader_O97M_Obfuse_BZK_MTB{
meta:
description = "TrojanDownloader:O97M/Obfuse.BZK!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,03 00 03 00 03 00 00 "
strings :
$a_01_0 = {52 65 70 6c 61 63 65 28 41 63 74 69 76 65 44 6f 63 75 6d 65 6e 74 2e 43 6f 6e 74 65 6e 74 2c 20 22 72 75 69 6f 71 22 2c 20 22 22 29 } //1 Replace(ActiveDocument.Content, "ruioq", "")
$a_01_1 = {2e 72 75 6e 20 22 73 63 72 69 70 74 72 75 6e 6e 65 72 20 2d 61 70 70 76 73 63 72 69 70 74 20 22 20 26 20 70 61 75 73 65 53 65 74 42 65 66 6f 72 65 2c 20 32 } //1 .run "scriptrunner -appvscript " & pauseSetBefore, 2
$a_01_2 = {3d 20 22 2e 22 20 26 20 70 61 75 73 65 53 65 74 42 65 66 6f 72 65 20 26 20 62 65 66 6f 72 65 42 65 66 6f 72 65 53 74 6f 70 } //1 = "." & pauseSetBefore & beforeBeforeStop
condition:
((#a_01_0 & 1)*1+(#a_01_1 & 1)*1+(#a_01_2 & 1)*1) >=3
}