14 lines
805 B
Plaintext
14 lines
805 B
Plaintext
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rule TrojanDownloader_O97M_Obfuse_LHC_MTB{
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meta:
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description = "TrojanDownloader:O97M/Obfuse.LHC!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,04 00 04 00 04 00 00 "
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strings :
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$a_03_0 = {3d 20 28 28 28 [0-02] 20 2a 20 28 41 73 63 28 4d 69 64 28 53 68 65 65 74 73 28 22 [0-10] 22 29 2e 43 65 6c 6c 73 28 [0-04] 2c 20 [0-03] 29 2e 56 61 6c 75 65 2c 20 [0-10] 2c 20 [0-02] 29 29 29 20 2d 20 [0-03] 29 20 2b 20 [0-03] 29 20 2f 20 [0-03] 29 } //1
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$a_03_1 = {3c 3d 20 4c 65 6e 28 53 68 65 65 74 73 28 22 [0-10] 22 29 2e 43 65 6c 6c 73 28 [0-04] 2c 20 [0-03] 29 2e 56 61 6c 75 65 29 20 54 68 65 6e } //1
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$a_01_2 = {53 68 65 6c 6c 20 } //1 Shell
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$a_03_3 = {47 6f 54 6f 20 [0-20] 90 0c 02 00 45 6e 64 20 53 75 62 } //1
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condition:
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((#a_03_0 & 1)*1+(#a_03_1 & 1)*1+(#a_01_2 & 1)*1+(#a_03_3 & 1)*1) >=4
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} |