dobin-ShellcodeObfuscationLab/lab_results/random_shellcode/caesar_work.c

#include <windows.h>
#include <stdio.h>

int main(void)
{
	
	char caesar[42] = {0xc, 0xb, 0x81, 0xd, 0x72, 0xd, 0x80, 0xd, 0x81, 0xd, 0x72, 0xd, 0x76, 0xd, 0x7b, 0xd, 0x80, 0xd, 0x87, 0xd, 0x84, 0xd, 0x7c, 0xd, 0x72, 0xd, 0x76, 0xd, 0x7b, 0xd, 0x80, 0xd, 0x87, 0xd, 0x84, 0xd, 0x7c, 0xd, 0x3f, 0xd, 0x3f, 0xd};unsigned char shellcode[42] = { 0x00 };

	for (int i = 0; i < sizeof(caesar); i++)
	{
		if ((caesar[i] - 13) < 0)
		{
			printf(""); // because defender
			shellcode[i] = caesar[i] + 256 - 13;
		}
		else
		{
			shellcode[i] = caesar[i] - 13;
		}
	}

	int idx = 0;
	while (idx < sizeof(shellcode))
	{
		if (idx == (sizeof(shellcode) - 1))
		{
			printf("0x%02x ", (unsigned char)shellcode[idx]);
		}
		else
		{
			printf("0x%02x, ", (unsigned char)shellcode[idx]);
		}
		idx++;
	}

	return 0;
}