17 lines
1023 B
Plaintext
17 lines
1023 B
Plaintext
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rule TrojanDownloader_O97M_Obfuse_NQ_MTB{
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meta:
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description = "TrojanDownloader:O97M/Obfuse.NQ!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,06 00 06 00 07 00 00 "
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strings :
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$a_03_0 = {2e 43 72 65 61 74 65 54 65 78 74 46 69 6c 65 28 45 6e 76 69 72 6f 6e 28 [0-20] 29 20 26 20 22 5c [0-20] 2e 78 73 22 20 26 20 [0-20] 28 29 2c 20 54 72 75 65 2c 20 54 72 75 65 29 } //1
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$a_03_1 = {2e 43 72 65 61 74 65 54 65 78 74 46 69 6c 65 28 [0-20] 20 26 20 22 5c [0-20] 2e 78 73 22 20 26 20 [0-20] 28 29 2c 20 54 72 75 65 2c 20 54 72 75 65 29 } //1
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$a_01_2 = {3d 20 43 68 72 28 22 26 68 22 20 26 20 4d 69 64 28 } //1 = Chr("&h" & Mid(
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$a_03_3 = {3d 20 4d 69 64 28 [0-20] 2c } //1
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$a_01_4 = {2e 43 6c 6f 73 65 } //1 .Close
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$a_01_5 = {44 65 62 75 67 2e 50 72 69 6e 74 20 45 72 72 6f 72 28 } //1 Debug.Print Error(
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$a_01_6 = {3d 20 4e 65 77 20 57 73 68 53 68 65 6c 6c } //1 = New WshShell
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condition:
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((#a_03_0 & 1)*1+(#a_03_1 & 1)*1+(#a_01_2 & 1)*1+(#a_03_3 & 1)*1+(#a_01_4 & 1)*1+(#a_01_5 & 1)*1+(#a_01_6 & 1)*1) >=6
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} |