//还原ASProtect 2.1x SKE 代码段 call 011B0000 的 api
//这个版本的aspr异常特点是2个int3异常
//ollydbg,ollyscript,patch结合的例子
//program by jskew 2006-9-15 19:12
#log
var GetModuleFileNameA
var patch_addr
var patch_end
var tmp
var tmp2
var oep_addr
var saveapi
var cbase
var csize
var getapi
gpa "GetModuleFileNameA", "kernel32.dll"
mov GetModuleFileNameA,$RESULT
GMI eip, CODEBASE
mov cbase,$RESULT
GMI eip, CODESIZE
mov csize,$RESULT
bp GetModuleFileNameA //壳delphi程序入口
esto
bc GetModuleFileNameA
rtu
find eip,#8B551429D08945FC# //得到api
mov getapi,$RESULT
find eip,#31C031DB648F0383C404# //int3异常后出来的地址
bp $RESULT
esto
esto
bc $RESULT
bprm cbase,csize
esto
bpmc
mov oep_addr,eip
exec
push 40h
push 1000h
push 1000h
push 0
call VirtualAlloc
ende
mov patch_addr,eax
mov tmp,eax
/*
_codebegin equ 0h
_codeend equ 4h
_iatbegin equ 8h
_iatend equ 0ch
_esp equ 10h //保存esp的地址，建议用_codeend的地址
_api equ 14h //保存api的地址，建议用_codeend+4的地址
_magiccall equ 18h
*/
mov [tmp],cbase
add tmp,4
mov tmp2,cbase
add tmp2,csize
sub tmp2,10
mov [tmp],tmp2
add tmp,4
mov [tmp],0047E000
add tmp,4
mov [tmp],0047E5C0
add tmp,4
mov [tmp],tmp2
add tmp,4
add tmp2,4
mov [tmp],tmp2
add tmp,4
mov [tmp],010C0000
add tmp,4
mov [tmp],0
add tmp,4
add patch_addr,50
mov [patch_addr],#60E8000000005F81E700FFFFFF8B57108997910000008997B60000008B57148997AF0000008997BE0000008B17803AE8755E8B5A0103DA83C3053B5F18755160B8246987248920FFE290909064FF35000000006AFF648925000000005B5BBB246987248903B8246987248B2061B8246987248B188B47083918740A83C0043B470C72F4EB1166C702FF1589420283C205423B5704729761909090EBFB#
mov eip,patch_addr
find eip,#90909064FF35# //patch保存api
mov saveapi,$RESULT
find eip,#9090EBFB# //patch结束
mov patch_end,$RESULT
bp patch_end
bphws getapi,"x"
leb1:
esto
cmp eip,getapi
jne over
mov eip,saveapi
jmp leb1
over:
bphwc getapi
bc patch_end
mov eip,oep_addr
ret
------------------------------------------------------
修改了下代码，省去手动输入4个patch参数
测试其他程序要设置3个参数
_iatbegin equ 8h
_iatend equ 0ch
_magiccall equ 18h
测试软件，如果要测试，可能还要修改_magiccall的参数
iat用例子的就可以
http://www.xlightftpd.com/download/setup.exe
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