1 bits 16 2 swap: 3 push bx 4 movzx bx,dl 5 mov dl,[cs:bx+(table-$$)] 6 pop bx 7 .jmp: jmp 0:0 8 nop 9 nop 10 install: 11 ;; DS = CS, ES = 0 12 mov edi,[es:si+4*0x13] 13 mov [swap.jmp+1],edi 14 mov di,[es:0x413] 15 dec di 16 mov [es:0x413],di 17 shl edi,16+6 18 mov [es:si+4*0x13],edi 19 shr edi,16 20 mov es,di 21 xor di,di 22 rep movsd 23 mov si,0 24 mov di,0 25 mov ds,si 26 mov es,di 27 mov ecx,0 28 mov esi,0 29 mov edi,0 30 jmp 0:0 31 32 align 16 33 table: 34
