2024-02-05 06:12:47 -08:00
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rule Backdoor_Win32_VB_WO{
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meta:
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description = "Backdoor:Win32/VB.WO,SIGNATURE_TYPE_PEHSTR_EXT,03 00 03 00 03 00 00 01 00 "
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strings :
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2024-02-07 06:09:14 -08:00
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$a_01_0 = {23 00 73 00 65 00 72 00 76 00 65 00 72 00 2e 00 65 00 78 00 65 00 7c 00 44 00 7c 00 4d 00 65 00 6d 00 6f 00 72 00 79 00 20 00 45 00 78 00 65 00 63 00 75 00 74 00 65 00 7c 00 25 00 74 00 68 00 69 00 73 00 65 00 78 00 65 00 25 00 23 00 46 00 69 00 6c 00 65 00 49 00 6e 00 66 00 6f 00 2e 00 77 00 68 00 6f 00 7c 00 54 00 7c 00 45 00 78 00 74 00 72 00 61 00 63 00 74 00 20 00 46 00 69 00 6c 00 65 00 20 00 4f 00 6e 00 6c 00 79 00 7c 00 4e 00 6f 00 6e 00 65 00 20 00 49 00 6e 00 6a 00 65 00 63 00 74 00 } //01 00 #server.exe|D|Memory Execute|%thisexe%#FileInfo.who|T|Extract File Only|None Inject
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$a_01_1 = {48 00 4b 00 45 00 59 00 5f 00 43 00 55 00 52 00 52 00 45 00 4e 00 54 00 5f 00 55 00 53 00 45 00 52 00 5c 00 53 00 6f 00 66 00 74 00 77 00 61 00 72 00 65 00 5c 00 4d 00 69 00 63 00 72 00 6f 00 73 00 6f 00 66 00 74 00 5c 00 57 00 69 00 6e 00 64 00 6f 00 77 00 73 00 5c 00 43 00 75 00 72 00 72 00 65 00 6e 00 74 00 56 00 65 00 72 00 73 00 69 00 6f 00 6e 00 5c 00 50 00 6f 00 6c 00 69 00 63 00 69 00 65 00 73 00 5c 00 53 00 79 00 73 00 74 00 65 00 6d 00 5c 00 44 00 69 00 73 00 61 00 62 00 6c 00 65 00 54 00 61 00 73 00 6b 00 6d 00 67 00 72 00 } //01 00 HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskmgr
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$a_01_2 = {46 00 75 00 63 00 6b 00 20 00 59 00 6f 00 75 00 21 00 } //00 00 Fuck You!
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2024-02-05 06:12:47 -08:00
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condition:
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any of ($a_*)
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}
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