16 lines
1.2 KiB
Plaintext
16 lines
1.2 KiB
Plaintext
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rule TrojanDownloader_O97M_Powdow_DX_MTB{
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meta:
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description = "TrojanDownloader:O97M/Powdow.DX!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,06 00 06 00 06 00 00 "
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strings :
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$a_01_0 = {50 72 69 76 61 74 65 20 44 65 63 6c 61 72 65 20 50 74 72 53 61 66 65 20 46 75 6e 63 74 69 6f 6e 20 55 52 4c 44 6f 77 6e 6c 6f 61 64 54 6f 46 69 6c 65 20 4c 69 62 20 22 75 72 6c 6d 6f 6e 22 20 5f } //1 Private Declare PtrSafe Function URLDownloadToFile Lib "urlmon" _
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$a_01_1 = {2f 2f 3a 70 74 74 68 22 2c } //1 //:ptth",
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$a_03_2 = {28 22 61 70 70 64 61 74 61 22 29 20 26 20 22 5c [0-02] 2e 74 6d 70 22 } //1
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$a_03_3 = {43 61 6c 6c 20 [0-02] 2e [0-02] 28 53 74 72 52 65 76 65 72 73 65 28 22 20 32 33 72 76 73 67 65 72 22 29 20 2b } //1
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$a_03_4 = {3d 20 55 52 4c 44 6f 77 6e 6c 6f 61 64 54 6f 46 69 6c 65 28 30 26 2c 20 53 74 72 52 65 76 65 72 73 65 28 [0-02] 29 2c 20 [0-02] 2c 20 [0-02] 26 2c 20 [0-02] 26 29 90 0c 02 00 45 6e 64 20 46 75 6e 63 74 69 6f 6e } //1
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$a_03_5 = {44 69 6d 20 [0-03] 20 41 73 20 4e 65 77 20 57 73 68 53 68 65 6c 6c [0-05] 2e 65 78 65 63 } //1
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condition:
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((#a_01_0 & 1)*1+(#a_01_1 & 1)*1+(#a_03_2 & 1)*1+(#a_03_3 & 1)*1+(#a_03_4 & 1)*1+(#a_03_5 & 1)*1) >=6
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} |