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在NT系统里,一个进程只允许对本身内存和共享内存进行读写(如果说错了请告诉我)
4 |" G, n' ?* B, `2 v |但经过处理后,我们可以访问安全级别不是很高的进程内存。) u1 Q. ~& m8 L2 b. S4 L
我们在OpenProcess时,如果能取得它的PROCESS_VM_READ、PROCESS_VM_WRITE和PROCESS_VM_OPERATION权限,那就好办了。
- i, n" B: O2 y, J; w. C下面是我编的一个自动扫雷程序的核心代码,它从扫雷程序的内存中读取地雷的分布情况,再通过模拟鼠标点击来扫雷
% V4 _8 Y1 G; r e: E$ J注意,这儿地雷在内存中的分布,是在中文XP下跟踪所得,不知道在其它系统上是不是一样的。
: E t( t9 Q: n HWND hwnd;- x: C5 U& b0 ^ `% Z
HANDLE hProcess = NULL;
! {7 B; @$ _5 }/ r& z DWORD id;
- l! b" ]+ o( ? BYTE tmpValue;
5 V; L* W; E/ U& ~ k- }/ R' }/ \ DWORD bytes;$ h" f3 M- ~7 C4 q. `9 Z2 S
CPoint point;6 z" C ~. K4 w0 c9 c* c
CRect rect;, b2 ]9 D5 e- \
int intWidth, intHeight, i, j;
% G6 D4 }( q5 a9 L6 N, I //找到扫雷游戏的窗口,如果找不到,就出错。5 z" e9 O* W U
hwnd = ::FindWindow(NULL, "扫雷"); D0 L4 p; m! }: H. n( q F3 v
if (!hwnd): K, n! R6 @% G! {: ~& z! Y; @
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MessageBox("没有找到扫雷游戏", NULL, MB_OK|MB_ICONINFORMATION);
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//从窗口ID得到它的进程ID+ B1 c& o% ?5 T# t* _; c
::GetWindowThreadProcessId(hwnd, &id);
) c2 j7 _& }3 n& }2 M y; L //得到它的进程句柄5 `; d4 h7 R8 V7 C
hProcess = ::OpenProcess(STANDARD_RIGHTS_REQUIRED|
' w% u- y' W6 Z$ D* c0 _& k PROCESS_VM_READ|
: d. J: b% ?6 D" r PROCESS_VM_WRITE|
0 h& ~# y! L# @* m2 \' Z7 m PROCESS_VM_OPERATION, FALSE, id);* ]$ L, \) V8 i) k, ?
//检查雷区的区域
( N4 C$ d' a+ p B$ T ::ReadProcessMemory(hProcess, (void *)0x01005334, (void *)&tmpValue, 1, &bytes);
; f% `' i! r3 f0 j+ O Y" H intWidth = tmpValue;
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# E& M: v+ c$ E$ U; Z ::ReadProcessMemory(hProcess, (void *)0x01005338, (void *)&tmpValue, 1, &bytes);4 a8 X7 k) J8 @# S' Q5 q
intHeight = tmpValue;
! r* g1 q4 K5 p% ?) E. e3 s8 A ::SetForegroundWindow(hwnd);& v9 z, O- ^+ y
::GetWindowRect(hwnd, &rect);
9 `2 {# z" i3 e9 R$ \) ` M ::SetWindowPos(hwnd, HWND_TOP, rect.left, rect.top, 0, 0, SWP_NOSIZE);) B% H. D) F& Q4 F: M& a" X8 E+ m0 v$ h
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for (i = 1; i <= intHeight; i ++)
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; \3 L n" [! L/ f# S8 H1 t, I for (j = 1; j <= intWidth; j ++)
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# y% }7 A! ^" V1 ^- @$ i ::ReadProcessMemory(hProcess, (void *)(0x01005340 + i * 32 + j),, c# W K6 G+ L+ U
(void *)&tmpValue, 1, &bytes);- y4 x7 Z9 Z- `* ~, V+ J
if ((tmpValue & 0x80) != 0x80)
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* z( k. h0 {0 T* T8 X point.x = 7 + j * 16 + rect.left;! t5 V0 f9 O' @/ g: ^# b
point.y = 96 + i * 16 + rect.top;
: w- z2 X `' }! x& P9 N5 d: V ::SetCursorPos(point.x, point.y);4 c0 N& H7 t4 E O4 ^% k6 U, i
mouse_event(MOUSEEVENTF_LEFTDOWN, point.x, point.y, 0, 0);
5 U: q& L0 K3 R mouse_event(MOUSEEVENTF_LEFTUP, point.x, point.y, 0, 0);
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::CloseHandle(hProcess); |
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