挂钩Windows API

作者: 来源:网络文章时间:2005-12-13 17:14:12

挂钩Windows API(9) FlushInstructionCache    PROTO :DWORD,:DWORD,:DWORD
GetCurrentProcess    PROTO
ExitProcess         PROTO :DWORD

.data

kernel_name         db "kernel32.dll",0
sleep_name        db "Sleep",0
old_protect        dd ?

MEMORY_BASIC_INFORMATION_SIZE    equ 28

PAGE_READWRITE        dd 000000004h
PAGE_EXECUTE_READWRITE dd 000000040h
MEM_COMMIT        dd 000001000h
MEM_RELEASE        dd 000008000h

.code
start:
    push    5000
    call    Sleep

do_hook:
    push    offset kernel_name
    call    GetModuleHandleA
    push    offset sleep_name
    push    eax
    call    GetProcAddress
    mov    edi,eax            ;最后获得Sleep地址

    push    PAGE_READWRITE
    push    MEM_COMMIT
    push    MEMORY_BASIC_INFORMATION_SIZE
    push     0
    call    VirtualAlloc
    test    eax,eax
    jz     do_sleep
    mov    esi,eax            ;为MBI结构分配内存

1.挂钩Windows API(1)
2.挂钩Windows API(2)
3.挂钩Windows API(3)
4.挂钩Windows API(4)
5.挂钩Windows API(5)
6.挂钩Windows API(6)
7.挂钩Windows API(7)
8.挂钩Windows API(8)
9.挂钩Windows API(9)
10.挂钩Windows API(10)
11.挂钩Windows API(11)
12.挂钩Windows API(12)
13.挂钩Windows API(13)
14.挂钩Windows API(14)
15.挂钩Windows API(15)
16.挂钩Windows API(16)
17.挂钩Windows API(17)
18.挂钩Windows API(18)
19.挂钩Windows API(19)
20.挂钩Windows API(20)
21.挂钩Windows API(21)
22.挂钩Windows API(22)
23.挂钩Windows API(23)
24.挂钩Windows API(24)
25.挂钩Windows API(25)
26.挂钩Windows API(26)
27.挂钩Windows API(27)
28.挂钩Windows API(28)
29.挂钩Windows API(29)
30.挂钩Windows API(30)
31.挂钩Windows API(31)
32.挂钩Windows API(32)
33.挂钩Windows API(33)
34.挂钩Windows API(34)
35.挂钩Windows API(35)
36.挂钩Windows API(36)
37.挂钩Windows API(37)
38.挂钩Windows API(38)
39.挂钩Windows API(39)
40.挂钩Windows API(40)
41.挂钩Windows API(41)
42.挂钩Windows API(42)
43.挂钩Windows API(43)
44.挂钩Windows API(44)
45.挂钩Windows API(45)
46.挂钩Windows API(46)
47.挂钩Windows API(47)
48.挂钩Windows API(48)
49.挂钩Windows API(49)
50.挂钩Windows API(50)
51.挂钩Windows API(51)
52.挂钩Windows API(52)
53.挂钩Windows API(53)
54.挂钩Windows API(54)
55.挂钩Windows API(55)
56.挂钩Windows API(56)
57.挂钩Windows API(57)

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