14 lines
815 B
Plaintext
14 lines
815 B
Plaintext
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rule TrojanDownloader_O97M_Donoff_AM{
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meta:
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description = "TrojanDownloader:O97M/Donoff.AM,SIGNATURE_TYPE_MACROHSTR_EXT,04 00 04 00 04 00 00 "
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strings :
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$a_01_0 = {43 72 65 61 74 65 4f 62 6a 65 63 74 28 22 4d 69 63 72 6f 73 6f 66 74 22 20 2b 20 22 2e 58 4d 4c 48 54 54 50 22 29 } //1 CreateObject("Microsoft" + ".XMLHTTP")
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$a_03_1 = {72 65 73 75 6c 74 20 3d 20 72 65 73 75 6c 74 20 26 20 43 68 72 28 [0-10] 28 69 29 20 2d 20 [0-10] 20 2d 20 32 38 34 35 29 } //1
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$a_03_2 = {75 72 6c 41 72 20 3d 20 41 72 72 61 79 28 ?? ?? ?? ?? 2c 20 ?? ?? ?? ?? 2c 20 ?? ?? ?? ?? 2c 20 ?? ?? ?? ?? 2c } //1
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$a_03_3 = {2e 4f 70 65 6e 20 22 47 45 54 22 2c 20 [0-10] 28 75 72 6c 41 72 2c 20 [0-04] 29 2c 20 46 61 6c 73 65 } //1
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condition:
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((#a_01_0 & 1)*1+(#a_03_1 & 1)*1+(#a_03_2 & 1)*1+(#a_03_3 & 1)*1) >=4
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} |