15 lines
1.2 KiB
Plaintext
15 lines
1.2 KiB
Plaintext
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rule TrojanDownloader_O97M_Powdow_RVD_MTB{
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meta:
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description = "TrojanDownloader:O97M/Powdow.RVD!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,05 00 05 00 05 00 00 01 00 "
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strings :
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$a_01_0 = {6f 62 6a 53 68 65 6c 6c 20 3d 20 43 72 65 61 74 65 4f 62 6a 65 63 74 28 22 57 53 63 72 69 70 74 2e 53 68 65 6c 6c 22 29 } //01 00 objShell = CreateObject("WScript.Shell")
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$a_01_1 = {70 72 65 20 3d 20 22 63 6d 64 2e 65 78 65 20 2f 63 20 70 6f 77 65 72 73 68 65 6c 6c 20 2d 45 78 65 63 75 74 69 6f 6e 50 6f 6c 69 63 79 20 62 79 70 61 73 73 20 2d 6e 6f 70 72 6f 66 69 6c 65 20 2d 77 69 6e 64 6f 77 73 74 79 6c 65 20 68 69 64 64 65 6e 20 22 } //01 00 pre = "cmd.exe /c powershell -ExecutionPolicy bypass -noprofile -windowstyle hidden "
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$a_01_2 = {2e 44 6f 77 6e 6c 6f 61 64 46 69 6c 65 28 27 68 74 74 70 3a 2f 2f 62 61 72 74 73 69 6d 70 73 6f 6e 32 2e 69 67 6e 6f 72 65 6c 69 73 74 2e 63 6f 6d 2f 62 61 72 74 2e 6a 70 67 27 } //01 00 .DownloadFile('http://bartsimpson2.ignorelist.com/bart.jpg'
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$a_01_3 = {2d 46 69 6c 65 50 61 74 68 20 24 65 6e 76 3a 54 45 4d 50 5c 73 76 63 68 6f 73 74 2e 65 78 65 } //01 00 -FilePath $env:TEMP\svchost.exe
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$a_01_4 = {53 68 65 6c 6c 20 28 65 78 65 63 32 29 } //00 00 Shell (exec2)
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condition:
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any of ($a_*)
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} |