Clone the code and run gcc shellCoder.c -o shellCoder -masm=intel.
./shellCoder filename baseAddress entryPointOffset [trap]
filename: path to the shellcode file. (e.g /payloads/shellcode.bin)
baseAddress: address to load the shellcode to in hex (e.g. 0x1337133700)
entryPointOffset: code offset in the shellcode (probably 0x0 if you're working with raw shellcode).
trap: boolean [1|0] to specify whether you want a breakpoint placed right before execution is being transfered to the shellcode. NOTE: you need to be in a debugger to catch the SIGTRAP if this option is set to 1
The binsh.bin file contains sample shellcode that spawns a shell :D
~$ ./shellCoder shellcode.bin 0x123400000000 0 0x0
Loading shellcode.bin to memory...
Shellcode loaded at 0x123400000000
Jumping into shellcode at 0x123400000000...
# id
root
~$ gdb shellCoder
pwndbg> r shellcode.bin 0x123400000000 0x0 1
Starting program: /shellCoder shellcode.bin 0x123400000000 0x0 1
Loading shellcode.bin to memory...
Shellcode loaded at 0x123400000000
Jumping into shellcode at 0x123400000000...
Program received signal SIGTRAP, Trace/breakpoint trap.
0x00000000004009f3 in main ()
pwndbg> x/i $rip
=> 0x4009f3 <main+279>: call rax
pwndbg> # You can debug you shellcode safely now
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