/*

  ASProtect 2.0x script

  Before: CALL 00C70000
   After: CALL DWORD PTR DS:[addr in IAT]

  written by Tim
  e-mail: timqwerty@yandex.ru

*/


var _eax
var _ecx
var _edx
var _ebx
var _esp
var _ebp
var _esi
var _edi
var _eip

var addr
var addr2
var iat
var iat_temp

var CODE_begin
var CODE_end
var IAT_begin
var IAT_end
var Alloc_begin
var Alloc_end
var ASPr_func


//      OEP
//       OEP
//   API   IAT,    
//       IAT
//
//      Awave Audio v9.2


mov CODE_begin,  00401000  //     
mov CODE_end,    00473FFF  //     
mov IAT_begin,   00474000  //   DWORD' IAT ( IAT)
mov IAT_end,     004743EC  //   DWORD' IAT

//       -     ,
//   ,      (JMP 00CD0000)
//  Log,      
mov Alloc_begin, 00520000  //     
mov Alloc_end,   01191FFF  //     

mov ASPr_func,   00C70000  //  - ASPr'


gpa "VirtualAlloc", "kernel32.dll"
findop $RESULT, #C21000#
bp $RESULT


mov _eip,  eip
mov addr,  CODE_begin
mov addr2, CODE_begin
mov iat,   IAT_end

call_loop:
find addr, #E8#
mov addr, $RESULT
mov _eax, CODE_end
sub _eax, 5
cmp addr, 0
je jmp_loop
cmp addr, _eax
ja jmp_loop

  mov _eax, addr
  inc _eax
  mov _ebx, [_eax]
  add _ebx, addr
  add _ebx, 5
  cmp _ebx, ASPr_func
  jne call_loop_end

    mov eip, addr
    bphws addr, "x"
    esto
    esto
    mov _eax, esp
    add _eax, 40
    mov _ebx, [_eax]
    esto
    esto
    bphwc addr

      mov iat_temp, IAT_begin

      find_iat:
      cmp [iat_temp], _ebx
      je iat_found
      add iat_temp, 4
      cmp iat_temp, iat
      jbe find_iat
      jmp iat_not_found

      iat_found:
      mov _eax, addr
      mov [_eax], #FF15#
      add _eax, 2
      mov [_eax], iat_temp
      add addr, 5
      jmp call_loop_end

      iat_not_found:
      add iat, 4
      mov [iat], 00000000
      add iat, 4
      mov [iat], _ebx
      mov _eax, addr
      mov [_eax], #FF15#
      add _eax, 2
      mov [_eax], iat
      add addr, 5
      jmp call_loop_end

call_loop_end:
inc addr
jmp call_loop


jmp_loop:
find addr2, #19E9#
mov addr2, $RESULT
mov _eax, CODE_end
sub _eax, 5
cmp addr2, 0
je finish
cmp addr2, _eax
ja finish

  inc addr2
  mov _eax, addr2
  inc _eax
  mov _ebx, [_eax]
  add _ebx, addr2
  add _ebx, 5
  cmp _ebx, Alloc_begin
  jb jmp_loop_end
  cmp _ebx, Alloc_end
  ja jmp_loop_end

    bp addr2
    eval "{addr2} JMP {_ebx}"
    log $RESULT

jmp_loop_end:
inc addr2
jmp jmp_loop


finish:
mov eip, _eip
mov _eax, iat
add _eax, 4
sub _eax, IAT_begin
eval "New IAT size: {_eax}"
cmt eip, $RESULT

bphws eip, "x"
esto
bphwc eip
ret
