27 lines
2.1 KiB
Plaintext
27 lines
2.1 KiB
Plaintext
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rule HackTool_Win32_ImpacketExec_SA{
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meta:
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description = "HackTool:Win32/ImpacketExec.SA,SIGNATURE_TYPE_CMDHSTR_EXT,1f 00 1f 00 11 00 00 "
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strings :
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$a_00_0 = {63 00 6d 00 64 00 2e 00 65 00 78 00 65 00 20 00 2f 00 51 00 20 00 2f 00 63 00 } //10 cmd.exe /Q /c
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$a_00_1 = {31 00 3e 00 20 00 5c 00 5c 00 31 00 32 00 37 00 2e 00 30 00 2e 00 30 00 2e 00 31 00 5c 00 41 00 44 00 4d 00 49 00 4e 00 24 00 5c 00 5f 00 } //10 1> \\127.0.0.1\ADMIN$\_
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$a_00_2 = {32 00 3e 00 26 00 31 00 } //10 2>&1
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$a_00_3 = {66 00 73 00 75 00 74 00 69 00 6c 00 } //1 fsutil
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$a_00_4 = {63 00 75 00 72 00 6c 00 } //1 curl
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$a_00_5 = {64 00 75 00 6d 00 70 00 69 00 74 00 } //1 dumpit
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$a_00_6 = {5c 00 70 00 72 00 6f 00 67 00 72 00 61 00 6d 00 64 00 61 00 74 00 61 00 } //1 \programdata
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$a_00_7 = {5c 00 64 00 6f 00 77 00 6e 00 6c 00 6f 00 61 00 64 00 73 00 } //1 \downloads
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$a_00_8 = {71 00 75 00 65 00 72 00 79 00 20 00 73 00 65 00 73 00 73 00 69 00 6f 00 6e 00 } //1 query session
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$a_00_9 = {74 00 72 00 61 00 6e 00 73 00 66 00 65 00 72 00 2e 00 73 00 68 00 } //1 transfer.sh
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$a_00_10 = {37 00 7a 00 61 00 2e 00 65 00 78 00 65 00 20 00 61 00 } //1 7za.exe a
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$a_00_11 = {2d 00 2d 00 75 00 70 00 6c 00 6f 00 61 00 64 00 2d 00 66 00 69 00 6c 00 65 00 } //1 --upload-file
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$a_00_12 = {72 00 75 00 6e 00 64 00 6c 00 6c 00 33 00 32 00 } //1 rundll32
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$a_00_13 = {72 00 65 00 67 00 73 00 76 00 72 00 33 00 32 00 } //1 regsvr32
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$a_00_14 = {63 00 3a 00 5c 00 70 00 65 00 72 00 66 00 6c 00 6f 00 67 00 73 00 } //1 c:\perflogs
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$a_02_15 = {70 00 6f 00 77 00 65 00 72 00 73 00 68 00 65 00 6c 00 6c 00 90 08 00 02 68 00 69 00 64 00 65 00 74 00 61 00 62 00 6c 00 65 00 68 00 65 00 61 00 64 00 65 00 72 00 73 00 } //-100
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$a_00_16 = {62 00 6b 00 6e 00 6f 00 64 00 65 00 6d 00 61 00 6e 00 } //-100 bknodeman
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condition:
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((#a_00_0 & 1)*10+(#a_00_1 & 1)*10+(#a_00_2 & 1)*10+(#a_00_3 & 1)*1+(#a_00_4 & 1)*1+(#a_00_5 & 1)*1+(#a_00_6 & 1)*1+(#a_00_7 & 1)*1+(#a_00_8 & 1)*1+(#a_00_9 & 1)*1+(#a_00_10 & 1)*1+(#a_00_11 & 1)*1+(#a_00_12 & 1)*1+(#a_00_13 & 1)*1+(#a_00_14 & 1)*1+(#a_02_15 & 1)*-100+(#a_00_16 & 1)*-100) >=31
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} |