17 lines
1.4 KiB
Plaintext
17 lines
1.4 KiB
Plaintext
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rule TrojanDownloader_O97M_Powdow_PHBB_MTB{
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meta:
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description = "TrojanDownloader:O97M/Powdow.PHBB!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,07 00 07 00 07 00 00 "
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strings :
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$a_03_0 = {26 20 22 20 2d 77 20 68 69 20 73 6c 65 65 5e 70 20 2d 53 65 20 33 31 3b 53 74 61 5e 72 74 2d 42 69 74 73 54 72 61 6e 73 5e 66 65 72 20 2d 53 6f 75 72 63 65 20 68 74 74 60 70 [0-02] 3a 2f 2f [0-6a] 2f [0-14] 2e 65 60 78 65 22 20 26 20 22 20 2d 44 65 73 74 69 6e 61 74 69 6f 6e 20 43 3a 5c 55 73 65 72 73 5c 50 75 62 6c 69 63 5c 44 6f 63 75 6d 65 6e 74 73 5c [0-14] 2e 65 60 78 65 22 } //1
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$a_01_1 = {6f 62 68 20 3d 20 43 72 65 61 74 65 4f 62 6a 65 63 74 28 73 68 65 65 65 20 26 20 22 6c 2e 61 70 70 6c 69 63 61 74 69 6f 6e 22 29 2e 4f 70 65 6e 28 } //1 obh = CreateObject(sheee & "l.application").Open(
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$a_01_2 = {73 68 65 65 65 20 3d 20 22 73 68 65 6c 22 } //1 sheee = "shel"
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$a_03_3 = {3d 20 22 43 3a 5c 55 73 65 72 73 5c 50 75 62 6c 69 63 5c 44 6f 63 75 6d 65 6e 74 73 5c [0-14] 2e 63 6d 22 20 26 20 43 68 72 28 43 4c 6e 67 28 39 37 2e 35 29 20 2b 20 43 4c 6e 67 28 31 2e 36 29 29 } //1
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$a_01_4 = {3d 20 22 70 6f 77 5e 65 72 73 22 } //1 = "pow^ers"
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$a_01_5 = {3d 20 22 68 65 5e 6c 6c 22 } //1 = "he^ll"
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$a_01_6 = {3d 20 46 72 65 65 46 69 6c 65 } //1 = FreeFile
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condition:
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((#a_03_0 & 1)*1+(#a_01_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) >=7
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} |