DefenderYara/TrojanDownloader/Win32/Velowond/TrojanDownloader_Win32_Velo...

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rule TrojanDownloader_Win32_Velowond_A{
meta:
description = "TrojanDownloader:Win32/Velowond.A,SIGNATURE_TYPE_PEHSTR_EXT,05 00 04 00 04 00 00 "
strings :
$a_03_0 = {83 c6 02 53 68 90 01 04 8d 4d e8 89 75 c4 e8 90 01 04 8b f0 8d 4d e8 8d 7e 01 57 68 90 01 04 e8 90 01 04 8d 4d d4 89 45 10 e8 90 01 04 8d 4d d8 c6 45 fc 09 90 00 } //2
$a_01_1 = {25 74 65 6d 70 70 61 74 68 25 } //1 %temppath%
$a_01_2 = {25 77 69 6e 70 61 74 68 25 } //1 %winpath%
$a_01_3 = {25 73 79 73 74 65 6d 70 61 74 68 25 } //1 %systempath%
condition:
((#a_03_0 & 1)*2+(#a_01_1 & 1)*1+(#a_01_2 & 1)*1+(#a_01_3 & 1)*1) >=4
}