16 lines
735 B
Plaintext
16 lines
735 B
Plaintext
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rule TrojanDownloader_O97M_Donoff_S{
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meta:
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description = "TrojanDownloader:O97M/Donoff.S,SIGNATURE_TYPE_MACROHSTR_EXT,04 00 04 00 06 00 00 "
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strings :
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$a_00_0 = {22 68 74 24 74 70 24 3a 2f } //1 "ht$tp$:/
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$a_01_1 = {22 68 3f 3f 74 74 3f 3f 70 3a 2f } //1 "h??tt??p:/
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$a_02_2 = {45 6e 76 69 72 6f 6e 28 52 65 70 6c 61 63 65 28 22 [0-07] 74 [0-07] 6d [0-07] 70 } //1
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$a_00_3 = {2c 20 22 24 22 2c 20 22 22 29 29 } //1 , "$", ""))
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$a_02_4 = {52 65 70 6c 61 63 65 28 22 4f [0-07] 70 [0-07] 65 [0-07] 6e } //1
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$a_01_5 = {53 68 65 6c 6c 45 78 65 63 75 74 65 57 20 30 26 2c } //1 ShellExecuteW 0&,
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condition:
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((#a_00_0 & 1)*1+(#a_01_1 & 1)*1+(#a_02_2 & 1)*1+(#a_00_3 & 1)*1+(#a_02_4 & 1)*1+(#a_01_5 & 1)*1) >=4
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} |