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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)- r4 l. H! L/ }% H
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。8 \9 p8 Z5 c6 ^% g9 k/ o6 D
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。0 X0 f) R9 _. y# B6 H3 o
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
$ u- N) [' k& F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。( s' l! [$ B, I/ s
HWND hwnd;
3 R9 x9 O- B$ b3 `8 e HANDLE hProcess = NULL;( P, I& O- Y9 O2 D4 o; n8 f
DWORD id;+ d# ]' B- Q8 x- K
BYTE tmpValue;2 {1 c" I% _5 L% h
DWORD bytes;
( ]& F* A8 D- ^2 Q9 l9 [ CPoint point;
% X w' o5 S, H CRect rect;/ w- {" C5 K1 z" {- X
int intWidth, intHeight, i, j;( _, y# N, A! N0 `, V4 `
//找到扫雷游戏的窗口,如果找不到,就出错。0 H, B# n( Y- u+ S8 n& ?$ U E* A
hwnd = ::FindWindow(NULL, "扫雷");
( T' m2 V. d# ~+ t if (!hwnd)
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3 [) l9 N4 Y6 |5 j MessageBox("没有找到扫雷游戏", NULL, MB_OK|MB_ICONINFORMATION);
) F5 Z+ x' L6 ]. `3 m/ y$ }8 N return;/ q7 d1 D2 R, [( D
}
) @! m, d; v! M1 ^3 i //从窗口ID得到它的进程ID
0 i. {$ N$ r! O/ ^ ::GetWindowThreadProcessId(hwnd, &id);
" L- N. D4 Z% q/ G" v //得到它的进程句柄7 r" @ \! W( M+ S) R, g# z! `& i5 ~
hProcess = ::OpenProcess(STANDARD_RIGHTS_REQUIRED|
- ~/ I4 o+ F" f( f* G6 F+ A PROCESS_VM_READ|
7 i U' Z4 r0 P) E0 i8 b PROCESS_VM_WRITE|
, ]3 s7 f* z4 W# ^ PROCESS_VM_OPERATION, FALSE, id);4 b; j( Q8 V+ k" a
//检查雷区的区域
8 W' j. F& \9 q' U ::ReadProcessMemory(hProcess, (void *)0x01005334, (void *)&tmpValue, 1, &bytes);
; f5 S i( M- X. Q intWidth = tmpValue;! J9 g; V6 z1 @4 H: L B& `! p# w, z) i
$ f6 A4 F U: y# ^ ::ReadProcessMemory(hProcess, (void *)0x01005338, (void *)&tmpValue, 1, &bytes);
$ y# M3 t( }# }' V; w; |/ J intHeight = tmpValue;
2 z2 f/ q6 J. M ::SetForegroundWindow(hwnd);
. C5 Z L2 @' @) u7 F ::GetWindowRect(hwnd, &rect);0 k1 d" Y8 d# _% G1 N, u
::SetWindowPos(hwnd, HWND_TOP, rect.left, rect.top, 0, 0, SWP_NOSIZE);
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for (i = 1; i <= intHeight; i ++)0 \2 Q3 d$ Y+ u5 t2 j: y
{1 U# Z- c! R$ o" f8 W+ ?
for (j = 1; j <= intWidth; j ++)
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::ReadProcessMemory(hProcess, (void *)(0x01005340 + i * 32 + j),0 i& p0 ~7 a# C% z% u) f7 Z Y
(void *)&tmpValue, 1, &bytes);
1 O: U& K ~' x7 ` ^3 f if ((tmpValue & 0x80) != 0x80)' ]& G N8 x9 @8 A; w+ H1 D
{
7 y& h v' |# g h, u point.x = 7 + j * 16 + rect.left;
1 |, |$ m. v9 \! i8 ~$ d( B* F point.y = 96 + i * 16 + rect.top;
+ u9 b0 h: Y. r$ Z+ ^7 V E ::SetCursorPos(point.x, point.y);
; a1 n( K4 m; H/ J3 o( P. D mouse_event(MOUSEEVENTF_LEFTDOWN, point.x, point.y, 0, 0);$ X8 B% p7 {0 G4 n) T# L M& V
mouse_event(MOUSEEVENTF_LEFTUP, point.x, point.y, 0, 0);; {8 i- f3 d' c# y
}
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::CloseHandle(hProcess); |
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