C++ (Cpp) checkcode示例

示例#1

文件： widechar.c 项目： Amirus/cs-doc

void main()
{
	char *fnendstr="\x90\x90\x90\x90\x90\x90\x90\x90\x90";
	unsigned	char	temp;
	unsigned	char	*shellcodefnadd;
	unsigned	char	shellcode[512];
	int			len,k;
	
	/* 定位　shellcodefnlock的汇编代码　*/
	shellcodefnadd=shellcodefnlock;
	temp=*shellcodefnadd;
	if(temp==0xe9) 
	{
		  ++shellcodefnadd;
		  k=*(int *)shellcodefnadd;
		  shellcodefnadd+=k;
		  shellcodefnadd+=4;
	}
	for(k=0;k<=0x500;++k)
		 if(memcmp(shellcodefnadd+k,fnendstr,FNENDLONG)==0) 
			 break;
	/* shellcodefnadd+k+8是得到的shellcodefnlock汇编代码地址 */
	len = 2*wcslen(shellcodefnadd+k+8);
	memcpy(shellcode,shellcodefnadd+k+8,len);

	if(!MakeWideCharList()) return;
	//SaveToFile();
	/*检测shellcode是否在合法的wide char范围*/
	checkcode(shellcode, len);
	//printsc(shellcode, len);
}

示例#2

文件： checkcode.c 项目： tridge/junkcode

main(int argc, char *argv[])
{
	printf("%s: %d\n", argv[1], checkcode(argv[1]));
}