如何清除进程命令行? [英] How to clear a process command line?
问题描述
我想从内部清除我的进程的命令行。例如,当在任务管理器/进程浏览器中查看我的进程时,命令行条目将为空。
I would like to clear the command line of my process from within. For example, when viewing my process in Task Manager/Process Explorer, the command line entry would be empty.
我想在当前运行的进程中这样做,
I would like to do this within the currently running process rather than restarting the process if possible.
推荐答案
我想你必须修改 RTL_USER_PROCESS_PARAMETERS (参见 PEB =nofollow noreferrer> http://en.wikipedia.org/wiki/Process_Environment_Block ,例如 http://undocumented.ntinternals.net/UserMode/Undocumented%20Functions/NT%20Objects/Process/PEB.html )。您可以尝试使用 NtQueryInformationProcess 来获取< a href =http://msdn.microsoft.com/en-us/library/aa813706(VS.85).aspx =nofollow noreferrer> PEB 。然后可以修改 ProcessParameters.CommandLine
。
I suppose you have to modify the RTL_USER_PROCESS_PARAMETERS part of the PEB of your process (see http://en.wikipedia.org/wiki/Process_Environment_Block for example and http://undocumented.ntinternals.net/UserMode/Undocumented%20Functions/NT%20Objects/Process/PEB.html). You can try to use NtQueryInformationProcess to get PEB. Then you can modify ProcessParameters.CommandLine
. I hope it will work.
UPDATED :我验证了我的建议。有用。以下测试程序证明了这一点:
UPDATED: I verified my suggestion. It works. The following test program demonstrate this:
#include <Windows.h>
#include <Winternl.h> // for PROCESS_BASIC_INFORMATION and ProcessBasicInformation
#include <stdio.h>
#include <tchar.h>
typedef NTSTATUS (NTAPI *PFN_NT_QUERY_INFORMATION_PROCESS) (
IN HANDLE ProcessHandle,
IN PROCESSINFOCLASS ProcessInformationClass,
OUT PVOID ProcessInformation,
IN ULONG ProcessInformationLength,
OUT PULONG ReturnLength OPTIONAL);
int main()
{
HANDLE hProcess = OpenProcess (PROCESS_QUERY_INFORMATION | PROCESS_VM_READ,
FALSE, GetCurrentProcessId());
PROCESS_BASIC_INFORMATION pbi;
ULONG ReturnLength;
PFN_NT_QUERY_INFORMATION_PROCESS pfnNtQueryInformationProcess =
(PFN_NT_QUERY_INFORMATION_PROCESS) GetProcAddress (
GetModuleHandle(TEXT("ntdll.dll")), "NtQueryInformationProcess");
NTSTATUS status = pfnNtQueryInformationProcess (
hProcess, ProcessBasicInformation,
(PVOID)&pbi, sizeof(pbi), &ReturnLength);
// remove full information about my command line
pbi.PebBaseAddress->ProcessParameters->CommandLine.Length = 0;
getchar(); // wait till we can verify the results
return 0;
}
如果我们用一些参数启动程序,我们将看到
If we start the program with some parameters we will see
而不是之前见过的
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