mirror of
https://github.com/roadwy/DefenderYara
synced 2026-06-21 14:08:27 +00:00
roadwy
19 lines
948 B
Plaintext
19 lines
948 B
Plaintext
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rule HackTool_Linux_SuspUnixReShellCmd_I{
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meta:
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description = "HackTool:Linux/SuspUnixReShellCmd.I,SIGNATURE_TYPE_CMDHSTR_EXT,0f 00 0f 00 09 00 00 "
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strings :
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$a_02_0 = {3c 00 3e 00 [0-02] 2f 00 64 00 65 00 76 00 2f 00 74 00 63 00 70 00 2f 00 } //2
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$a_02_1 = {3c 00 3e 00 [0-02] 2f 00 64 00 65 00 76 00 2f 00 75 00 64 00 70 00 2f 00 } //2
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$a_00_2 = {73 00 68 00 20 00 2d 00 63 00 } //10 sh -c
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$a_00_3 = {65 00 78 00 65 00 63 00 } //1 exec
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$a_00_4 = {3c 00 26 00 } //1 <&
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$a_00_5 = {3e 00 26 00 } //1 >&
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$a_00_6 = {31 00 32 00 37 00 2e 00 30 00 2e 00 30 00 2e 00 31 00 } //-50 127.0.0.1
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$a_00_7 = {6c 00 6f 00 63 00 61 00 6c 00 68 00 6f 00 73 00 74 00 } //-50 localhost
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$a_00_8 = {30 00 2e 00 30 00 2e 00 30 00 2e 00 30 00 } //-50 0.0.0.0
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condition:
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((#a_02_0 & 1)*2+(#a_02_1 & 1)*2+(#a_00_2 & 1)*10+(#a_00_3 & 1)*1+(#a_00_4 & 1)*1+(#a_00_5 & 1)*1+(#a_00_6 & 1)*-50+(#a_00_7 & 1)*-50+(#a_00_8 & 1)*-50) >=15
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} |