mirror of
https://github.com/roadwy/DefenderYara
synced 2026-06-21 14:08:27 +00:00
roadwy
29 lines
2.7 KiB
Plaintext
29 lines
2.7 KiB
Plaintext
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rule HackTool_Linux_SuspCliRevShell_A{
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meta:
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description = "HackTool:Linux/SuspCliRevShell.A,SIGNATURE_TYPE_CMDHSTR_EXT,1e 00 1e 00 13 00 00 "
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strings :
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$a_00_0 = {73 00 6f 00 63 00 6b 00 65 00 74 00 2e 00 73 00 6f 00 63 00 6b 00 65 00 74 00 28 00 29 00 } //10 socket.socket()
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$a_00_1 = {75 00 73 00 65 00 20 00 53 00 6f 00 63 00 6b 00 65 00 74 00 } //5 use Socket
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$a_00_2 = {50 00 46 00 5f 00 49 00 4e 00 45 00 54 00 2c 00 53 00 4f 00 43 00 4b 00 5f 00 53 00 54 00 52 00 45 00 41 00 4d 00 } //5 PF_INET,SOCK_STREAM
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$a_00_3 = {54 00 43 00 50 00 53 00 6f 00 63 00 6b 00 65 00 74 00 2e 00 6e 00 65 00 77 00 28 00 } //10 TCPSocket.new(
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$a_00_4 = {6a 00 72 00 75 00 6e 00 73 00 63 00 72 00 69 00 70 00 74 00 20 00 2d 00 65 00 } //5 jrunscript -e
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$a_02_5 = {6a 00 61 00 76 00 61 00 2e 00 6c 00 61 00 6e 00 67 00 2e 00 50 00 72 00 6f 00 63 00 65 00 73 00 73 00 42 00 75 00 69 00 6c 00 64 00 65 00 72 00 [0-02] 28 00 [0-04] 2f 00 62 00 69 00 6e 00 2f 00 [0-04] 73 00 68 00 } //5
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$a_00_6 = {6a 00 61 00 76 00 61 00 2e 00 6e 00 65 00 74 00 2e 00 53 00 6f 00 63 00 6b 00 65 00 74 00 28 00 } //10 java.net.Socket(
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$a_00_7 = {49 00 4f 00 2e 00 70 00 6f 00 70 00 65 00 6e 00 28 00 } //5 IO.popen(
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$a_02_8 = {69 00 6f 00 [0-02] 7c 00 } //5
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$a_00_9 = {6f 00 73 00 2e 00 64 00 75 00 70 00 32 00 } //5 os.dup2
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$a_00_10 = {28 00 30 00 2c 00 31 00 2c 00 32 00 29 00 } //5 (0,1,2)
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$a_00_11 = {67 00 65 00 74 00 49 00 6e 00 70 00 75 00 74 00 53 00 74 00 72 00 65 00 61 00 6d 00 28 00 } //5 getInputStream(
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$a_00_12 = {67 00 65 00 74 00 4f 00 75 00 74 00 70 00 75 00 74 00 53 00 74 00 72 00 65 00 61 00 6d 00 28 00 } //5 getOutputStream(
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$a_02_13 = {70 00 72 00 69 00 6e 00 74 00 [0-02] 69 00 6f 00 2e 00 72 00 65 00 61 00 64 00 [0-02] 7d 00 } //10
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$a_00_14 = {6f 00 70 00 65 00 6e 00 28 00 53 00 54 00 44 00 49 00 4e 00 2c 00 22 00 3e 00 } //5 open(STDIN,">
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$a_00_15 = {6f 00 70 00 65 00 6e 00 28 00 53 00 54 00 44 00 4f 00 55 00 54 00 2c 00 22 00 3e 00 } //5 open(STDOUT,">
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$a_02_16 = {70 00 74 00 79 00 2e 00 73 00 70 00 61 00 77 00 6e 00 [0-02] 28 00 [0-04] 2f 00 62 00 69 00 6e 00 2f 00 [0-04] 73 00 68 00 } //10
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$a_02_17 = {70 00 74 00 79 00 2e 00 73 00 70 00 61 00 77 00 6e 00 [0-02] 28 00 [0-04] 73 00 68 00 [0-01] 29 00 } //10
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$a_02_18 = {65 00 78 00 65 00 63 00 [0-02] 28 00 [0-04] 2f 00 62 00 69 00 6e 00 2f 00 [0-04] 73 00 68 00 } //10
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condition:
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((#a_00_0 & 1)*10+(#a_00_1 & 1)*5+(#a_00_2 & 1)*5+(#a_00_3 & 1)*10+(#a_00_4 & 1)*5+(#a_02_5 & 1)*5+(#a_00_6 & 1)*10+(#a_00_7 & 1)*5+(#a_02_8 & 1)*5+(#a_00_9 & 1)*5+(#a_00_10 & 1)*5+(#a_00_11 & 1)*5+(#a_00_12 & 1)*5+(#a_02_13 & 1)*10+(#a_00_14 & 1)*5+(#a_00_15 & 1)*5+(#a_02_16 & 1)*10+(#a_02_17 & 1)*10+(#a_02_18 & 1)*10) >=30
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} |