13 lines
613 B
Plaintext
13 lines
613 B
Plaintext
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rule TrojanDownloader_O97M_Obfuse_RVBT_MTB{
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meta:
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description = "TrojanDownloader:O97M/Obfuse.RVBT!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,03 00 03 00 03 00 00 "
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strings :
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$a_03_0 = {4f 70 65 6e 20 22 67 65 74 22 2c 20 4b 68 69 68 69 62 69 66 67 28 22 [0-64] 22 29 2c 20 46 61 6c 73 65 } //1
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$a_03_1 = {43 68 72 28 41 73 63 28 4d 69 64 28 [0-c8] 2c 20 [0-c8] 2c 20 31 29 29 20 2d 20 31 33 29 } //1
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$a_01_2 = {3d 20 43 68 72 28 35 30 29 20 2b 20 43 68 72 28 34 38 29 20 2b 20 43 68 72 28 34 38 29 } //1 = Chr(50) + Chr(48) + Chr(48)
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condition:
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((#a_03_0 & 1)*1+(#a_03_1 & 1)*1+(#a_01_2 & 1)*1) >=3
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} |