25 lines
1.5 KiB
Plaintext
25 lines
1.5 KiB
Plaintext
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rule TrojanDownloader_O97M_Donoff_QC{
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meta:
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description = "TrojanDownloader:O97M/Donoff.QC,SIGNATURE_TYPE_MACROHSTR_EXT,03 00 03 00 03 00 00 "
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strings :
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$a_01_0 = {3d 20 45 6e 76 69 72 6f 6e 28 22 41 70 70 44 61 74 61 22 29 20 26 20 22 5c 22 20 26 } //1 = Environ("AppData") & "\" &
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$a_01_1 = {3d 20 53 68 65 6c 6c 28 22 77 73 63 72 22 20 26 20 22 69 70 74 20 22 20 26 } //1 = Shell("wscr" & "ipt " &
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$a_01_2 = {2e 57 61 69 74 20 28 4e 6f 77 20 2b 20 54 69 6d 65 56 61 6c 75 65 28 22 30 3a 30 30 3a 31 30 22 29 } //1 .Wait (Now + TimeValue("0:00:10")
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condition:
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((#a_01_0 & 1)*1+(#a_01_1 & 1)*1+(#a_01_2 & 1)*1) >=3
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}
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rule TrojanDownloader_O97M_Donoff_QC_2{
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meta:
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description = "TrojanDownloader:O97M/Donoff.QC,SIGNATURE_TYPE_MACROHSTR_EXT,07 00 03 00 03 00 00 "
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strings :
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$a_80_0 = {53 75 62 20 41 75 74 6f 5f 4f 70 65 6e 28 29 } //Sub Auto_Open() 1
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$a_03_1 = {47 65 74 46 69 6c 65 4f 6e 28 22 [0-20] 3a 2f 2f 74 68 65 2e [0-10] 65 61 72 74 68 2e 6c 69 [0-10] 2f 7e 73 67 74 61 74 68 61 6d [0-10] 2f 70 75 [0-10] 74 74 79 2f 6c 61 74 65 [0-10] 73 74 [0-10] 2f 78 38 36 2f 70 [0-10] 75 74 74 79 [0-10] 2e [0-10] 65 [0-10] 78 [0-10] 65 22 2c 20 45 6e 76 69 72 6f 6e 28 22 [0-10] 22 29 20 26 20 22 5c [0-20] 2e 65 78 65 22 29 20 3d 20 54 72 75 65 } //3
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$a_03_2 = {43 61 6c 6c 20 53 76 69 65 72 28 45 6e 76 69 72 6f 6e 28 22 [0-10] 22 29 20 26 20 22 5c [0-20] 2e 65 78 65 22 2c 20 76 62 48 69 64 65 29 } //3
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condition:
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((#a_80_0 & 1)*1+(#a_03_1 & 1)*3+(#a_03_2 & 1)*3) >=3
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} |