31 lines
2.0 KiB
Plaintext
31 lines
2.0 KiB
Plaintext
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rule TrojanDownloader_O97M_Obfuse_HM_MTB{
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meta:
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description = "TrojanDownloader:O97M/Obfuse.HM!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,04 00 04 00 04 00 00 "
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strings :
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$a_03_0 = {77 77 77 2e 6d 69 6e 70 69 63 2e 64 65 2f 6b 2f 62 63 31 6c 2f 31 36 70 74 75 73 2f 90 0a 24 00 68 74 74 70 73 3a 2f 2f } //1
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$a_01_1 = {53 75 62 20 44 6f 63 75 6d 65 6e 74 5f 4f 70 65 6e 28 29 } //1 Sub Document_Open()
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$a_03_2 = {57 69 6e 64 6f 77 73 5c 53 79 73 74 65 6d 33 32 5c 6d 73 68 74 61 2e 65 78 65 90 0a 24 00 53 68 65 6c 6c 20 22 43 3a 5c } //1
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$a_01_3 = {45 6e 64 20 53 75 62 } //1 End Sub
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condition:
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((#a_03_0 & 1)*1+(#a_01_1 & 1)*1+(#a_03_2 & 1)*1+(#a_01_3 & 1)*1) >=4
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}
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rule TrojanDownloader_O97M_Obfuse_HM_MTB_2{
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meta:
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description = "TrojanDownloader:O97M/Obfuse.HM!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,04 00 04 00 08 00 00 "
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strings :
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$a_03_0 = {56 62 4d 65 74 68 6f 64 2c 20 [0-34] 28 30 29 2c 20 4e 75 6c 6c 2c 20 4e 75 6c 6c 2c 20 4e 75 6c 6c } //1
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$a_03_1 = {41 70 70 6c 69 63 61 74 69 6f 6e 2e 52 75 6e 28 22 54 68 69 73 44 6f 63 75 6d 65 6e 74 2e [0-35] 22 2c 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 [0-14] 29 2e 56 61 6c 75 65 29 3a 20 43 61 6c 6c } //1
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$a_03_2 = {53 70 6c 69 74 28 54 68 69 73 57 6f 72 6b 62 6f 6f 6b 2e 53 68 65 65 74 73 28 [0-16] 29 2e 52 61 6e 67 65 28 [0-07] 29 2e 56 61 6c 75 65 2c 20 22 2c 22 29 3a 20 43 61 6c 6c } //1
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$a_03_3 = {53 70 6c 69 74 28 [0-37] 2c 20 22 2c 22 29 } //1
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$a_03_4 = {3d 20 53 70 6c 69 74 28 [0-36] 2c 20 22 7c 22 29 } //1
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$a_03_5 = {54 68 69 73 57 6f 72 6b 62 6f 6f 6b 2e 53 68 65 65 74 73 28 [0-14] 29 2e 52 61 6e 67 65 28 [0-07] 29 2e 56 61 6c 75 65 29 3a 20 43 61 6c 6c } //1
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$a_03_6 = {41 63 74 69 76 65 44 6f 63 75 6d 65 6e 74 2e 56 61 72 69 61 62 6c 65 73 28 [0-17] 29 2e 56 61 6c 75 65 29 3a 20 43 61 6c 6c } //1
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$a_03_7 = {47 65 74 4f 62 6a 65 63 74 28 [0-35] 28 31 29 29 } //1
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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_03_4 & 1)*1+(#a_03_5 & 1)*1+(#a_03_6 & 1)*1+(#a_03_7 & 1)*1) >=4
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} |