14 lines
788 B
Plaintext
14 lines
788 B
Plaintext
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rule TrojanDownloader_O97M_Obfuse_MK_MTB{
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meta:
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description = "TrojanDownloader:O97M/Obfuse.MK!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,04 00 04 00 04 00 00 "
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strings :
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$a_01_0 = {53 75 62 20 4e 62 75 65 6a 77 28 6d 65 75 68 77 29 } //1 Sub Nbuejw(meuhw)
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$a_01_1 = {2e 54 65 78 74 2c 20 4a 4b 4d 4e 4e 65 32 2e 54 65 78 74 2c 20 38 37 34 2c 20 22 6e 75 6a 6e 65 67 35 33 22 } //1 .Text, JKMNNe2.Text, 874, "nujneg53"
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$a_01_2 = {55 52 4c 44 6f 77 6e 6c 6f 61 64 54 6f 46 69 6c 65 20 30 2c 20 6d 69 69 77 74 68 62 33 33 2c 20 6d 6e 77 75 69 75 62 68 32 32 2c 20 30 2c 20 30 } //1 URLDownloadToFile 0, miiwthb33, mnwuiubh22, 0, 0
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$a_01_3 = {53 68 65 6c 6c 20 6d 65 75 68 77 } //1 Shell meuhw
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condition:
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((#a_01_0 & 1)*1+(#a_01_1 & 1)*1+(#a_01_2 & 1)*1+(#a_01_3 & 1)*1) >=4
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} |