13 lines
636 B
Plaintext
13 lines
636 B
Plaintext
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rule TrojanDownloader_O97M_Obfuse_EB{
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meta:
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description = "TrojanDownloader:O97M/Obfuse.EB,SIGNATURE_TYPE_MACROHSTR_EXT,04 00 04 00 03 00 00 "
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strings :
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$a_03_0 = {3d 20 54 68 69 73 44 6f 63 75 6d 65 6e 74 2e 49 6e 6c 69 6e 65 53 68 61 70 65 73 28 [0-14] 29 } //2
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$a_03_1 = {2b 20 22 33 32 5f 50 72 6f 63 65 73 73 22 29 2e 43 72 65 61 74 65 ?? 20 [0-14] 2e 41 6c 74 65 72 6e 61 74 69 76 65 54 65 78 74 2c 20 4e 75 6c 6c 2c 20 [0-14] 2c } //1
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$a_01_2 = {2b 20 22 33 32 5f 50 72 6f 63 65 73 73 53 74 61 72 74 75 70 22 29 } //1 + "32_ProcessStartup")
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condition:
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((#a_03_0 & 1)*2+(#a_03_1 & 1)*1+(#a_01_2 & 1)*1) >=4
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} |