16 lines
1.3 KiB
Plaintext
16 lines
1.3 KiB
Plaintext
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rule TrojanDownloader_O97M_Obfuse_DU_MTB{
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meta:
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description = "TrojanDownloader:O97M/Obfuse.DU!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,06 00 06 00 06 00 00 "
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strings :
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$a_01_0 = {31 31 30 2c 31 31 35 2c 31 32 33 2c 31 30 33 2c 31 30 30 2c 31 32 31 2c 31 31 30 2c 31 32 31 } //1 110,115,123,103,100,121,110,121
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$a_01_1 = {31 30 34 2c 34 39 2c 38 37 2c 31 32 33 2c 31 32 31 2c 31 30 30 2c 31 30 38 2c 31 32 31 2c 31 30 36 2c 31 30 32 2c 31 31 31 2c 31 30 36 2c 31 32 37 2c 31 30 36 2c 38 37 2c 31 30 36 2c 38 31 2c 31 31 30 2c 36 33 2c 36 36 2c 33 37 2c 39 39 2c 31 32 37 2c 31 30 36 } //1 104,49,87,123,121,100,108,121,106,102,111,106,127,106,87,106,81,110,63,66,37,99,127,106
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$a_03_2 = {2e 53 68 65 6c 6c 45 78 65 63 75 74 65 20 [0-0f] 2c 20 22 20 22 2c 20 53 57 5f 53 48 4f 57 4e 4f 52 4d 41 4c } //1
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$a_01_3 = {61 67 65 75 30 6f 28 61 58 4c 42 41 28 61 55 30 43 6d 77 29 20 58 6f 72 20 31 31 29 } //1 ageu0o(aXLBA(aU0Cmw) Xor 11)
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$a_01_4 = {41 63 74 69 76 65 44 6f 63 75 6d 65 6e 74 2e 43 6f 6e 74 65 6e 74 } //1 ActiveDocument.Content
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$a_01_5 = {53 70 6c 69 74 28 61 71 47 6d 6e 2c 20 43 68 72 28 31 31 20 2b 20 33 33 29 29 } //1 Split(aqGmn, Chr(11 + 33))
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condition:
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((#a_01_0 & 1)*1+(#a_01_1 & 1)*1+(#a_03_2 & 1)*1+(#a_01_3 & 1)*1+(#a_01_4 & 1)*1+(#a_01_5 & 1)*1) >=6
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} |