16 lines
808 B
Plaintext
16 lines
808 B
Plaintext
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rule TrojanDownloader_O97M_Obfuse_LHN_MTB{
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meta:
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description = "TrojanDownloader:O97M/Obfuse.LHN!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,06 00 06 00 06 00 00 "
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strings :
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$a_03_0 = {3d 20 41 63 74 69 76 65 44 6f 63 75 6d 65 6e 74 2e 56 61 72 69 61 62 6c 65 73 28 22 [0-15] 22 29 2e 56 61 6c 75 65 } //1
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$a_03_1 = {43 61 6c 6c 20 49 6e 69 74 90 0c 02 00 45 6e 64 20 53 75 62 } //1
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$a_03_2 = {45 78 69 74 20 53 75 62 90 0c 02 00 45 6e 64 20 53 75 62 } //1
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$a_03_3 = {53 6f 6c 64 65 72 90 0c 02 00 45 6e 64 20 53 75 62 90 0c 02 00 53 75 62 20 44 6f 63 75 6d 65 6e 74 5f 4f 70 65 6e 28 29 } //1
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$a_01_4 = {47 6f 54 6f 20 } //1 GoTo
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$a_01_5 = {53 68 65 6c 6c 20 } //1 Shell
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condition:
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((#a_03_0 & 1)*1+(#a_03_1 & 1)*1+(#a_03_2 & 1)*1+(#a_03_3 & 1)*1+(#a_01_4 & 1)*1+(#a_01_5 & 1)*1) >=6
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} |