| | In VB programing. Just put in form load or a command button A = Shell("REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Pol icies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f", vbNormalFocus) |
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close Process Disable Task Manager 1 Line Code![vb6] I just want to close an application or check weather it show in task manager if it is then I just want to not to open again by any other user This can be done in VB Mention API functions for it Which only close application or Process -reply by nilay21286... read more.
thats some good code, but its just the same as going to
QUOTE HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System and adding the value DisableTaskManager with a value of 1 also, it might be good to add the code to re-enable the task manager in case you actually want to use it! if i understood the code correctly; CODE A = Shell("REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Pol icies\System /v DisableTaskMgr /t REG_DWORD /d 0 /f", vbNormalFocus) then this code should re-enable it! happy coding -jimmy
Here's another solution for winXP & VB6
sub command1_click() x.hideMyProcess end sub That's it! Your process in now invisible. Gone! It doesn't matter if the bad guy presses CTRL ALT DEL. Your program won't show up in task manager process list. Bye bye END TASK ! Yeah, it's free at www.winPadlock.uni.cc www.winPadlock.co.nr
Yeah...programs that do crap like this are obnoxious. Don't hide your application from the task manager...what use is it to have a task that you need to go into the scheduler's thread table to kill when it malfunctions? Using this trash is just bad coding practice and shows a complete and utter disregard for your users.
Agreed, hiding processes, reg editing especially, etc is just vile without user permission. If you want to feel all tough go pick on a baby or something and leave the end users alone haha, they are the people who pay programmers to do what they do
 But yea, I wouldn't recommend doing this ever, just make programs that don't crash so people never need to look for the process in the task list 
Assuming someone adds the code to hide their process from task manager, what's the easiest way to identify the process and kill it. Because hiding the process is something I know many viruses do, and I would like to be able to track them down easily, if possible.
~Viz QUOTE(vizskywalker @ Oct 18 2007, 01:53 PM)  Assuming someone adds the code to hide their process from task manager, what's the easiest way to identify the process and kill it. Because hiding the process is something I know many viruses do, and I would like to be able to track them down easily, if possible. ~Viz The easiest way to do it is just enumerate all the threads on the scheduler...find threads that aren't owned by a process and suspend them, kill them, or look at their file handles and see what they're up to. At least not without a third party task manager to kill the process. Although my application isn't malicious (and I have taken some measure to insure it can't really be used as such), it's basically a key logging application, however it is built to recognise custom keystroke combinations (words actually), so you could trigger some basic events, or automatic internal logging of when certain words, phrases etc are typed anywhere from the keyboard input. This means you could catch out someone on your computer from typing certain "naughty words" or know if they are visiting "undesirable" websites etc. Anyway, once I get my old custom components back up, I can re-open the project and start work again and refresh my memory as to how I did it, someone might find it useful, the good thing is, while it would be difficult for the average user to stop it, with my particular combination, if you get a third part task manager, it can be taken care of quite easily.
QUOTE(Chesso @ Oct 19 2007, 01:36 AM) I made my own code in Object Pascal, that hides my application from everything and renders taskman utterly useless, it is still there but it's shut down so fast every time it is run (and so is msconfig, among others) that it is impossible to close the application, remove it from start-up (due to how it is made) or do anything to it. At least not without a third party task manager to kill the process. Although my application isn't malicious (and I have taken some measure to insure it can't really be used as such), it's basically a key logging application, however it is built to recognise custom keystroke combinations (words actually), so you could trigger some basic events, or automatic internal logging of when certain words, phrases etc are typed anywhere from the keyboard input. This means you could catch out someone on your computer from typing certain "naughty words" or know if they are visiting "undesirable" websites etc. Anyway, once I get my old custom components back up, I can re-open the project and start work again and refresh my memory as to how I did it, someone might find it useful, the good thing is, while it would be difficult for the average user to stop it, with my particular combination, if you get a third part task manager, it can be taken care of quite easily. The fact that people can do inane **** like this...is exactly why I use Mac and Linux. An application running as a non-root user should *never* have edit access to things like the process table (which is basically how these apps work).
Correct me if I'm wrong, but non root users can run pgrep and ps, can't they? Those access the process table. And then they can use kill to modify that table. Besides, I'm not sure if these apps are modifying the process table, because I'm not sure information regarding which processes show up in TaskManager is really stored in the process table itself.
~Viz Latest Entries
close Process
Disable Task Manager 1 Line Code![vb6] I just want to close an application or check weather it show in task manager if it is then I just want to not to open again by any other user This can be done in VB Mention API functions for it Which only close application or Process -reply by nilay21286
Enable/Disable Task Manager with WriteProcessMemory
Disable Task Manager 1 Line Code![vb6] [code]This function uses the WriteProcessMemory function to 'disable' the TerminateProcess function in the Kernel32 library, which is used in the Task Manager. Doing this will 'disable' the End Process button in the Task Manager, making it useless. It also can re-enable the Task Manager if it has been disabled.[/code] I have posted my new work on pscode, heres a link: Http://pscode.Com/vb/scripts/ShowCode.Asp?txtCodeId=70673&lngWId=1 -reply by stoopid
Disable Task Manager with WriteProcessMemory
Disable Task Manager 1 Line Code![vb6] This uses the WriteProcessMemory function to overwrite the TerminateProcess function in the Kernel32 module. Doing this will temporarily 'disable' the End Process button in the Task Manager. I tried to comment the code so it would be pretty easy to understand. [code]'Disable Task Manager using WriteProcessMemory 'taskmgr.Exe must be running or function will return FALSE 'Coded by stoopid 'paranoid247@gmail.Com Private Declare Function WriteProcessMemory Lib "kernel32" (ByVal hProcess As Long, lpBaseAddress As Any, lpBuffer As Any, ByVal nSize As Long, lpNumberOfBytesWritten As Long) As Long Private Declare Function GetModuleHandle Lib "kernel32" Alias "GetModuleHandleA" (ByVal lpModuleName As String) As Long Private Declare Function GetProcAddress Lib "kernel32" (ByVal hModule As Long, ByVal lpProcName As String) As Long Private Declare Function OpenProcess Lib "kernel32" (ByVal dwDesiredAccess As Long, ByVal bInheritHandle As Long, ByVal dwProcessId As Long) As Long Private Declare Function CloseHandle Lib "kernel32" (ByVal hObject As Long) As LongPrivate Declare Function Process32First Lib "kernel32" (ByVal hSnapShot As Long, uProcess As PROCESSENTRY32) As Long Private Declare Function Process32Next Lib "kernel32" (ByVal hSnapShot As Long, uProcess As PROCESSENTRY32) As Long Private Declare Function CreateToolhelp32Snapshot Lib "kernel32" (ByVal lFlags As Long, lProcessID As Long) As Long Private Const TH32CS_SNAPPROCESS As Long = 2 Private Const PROCESS_ALL_ACCESS = &H1F0FFF Public Type PROCESSENTRY32 dwSize As Long cntUseage As Long th32ProcessID As Long th32DefaultHeapID As Long th32ModuleID As Long cntThreads As Long th32ParentProcessID As Long pcPriClassBase As Long swFlags As Long szExeFile As String * 1024 End Type 'DisableTaskManager will return TRUE if WriteProcessMemory returns nonzero; returns FALSE if error in function or process not found/running Public Function DisableTaskManager() As Boolean Dim hSnapShot As Long, hAddress As Long, hProcess As Long Dim pe32 As PROCESSENTRY32 'create snapshot of process hSnapShot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0) 'get size of processentry32 pe32.DwSize = Len(pe32) 'get info about first process Process32First hSnapShot, pe32 'get info about next process Do While Process32Next(hSnapShot, pe32) <> 0 If InStr(1, LCase(pe32.SzExeFile), LCase("TASKMGR.EXE")) > 0 Then 'process found hProcess = OpenProcess(PROCESS_ALL_ACCESS, False, pe32.Th32ProcessID) 'open process If hProcess > 0 Then hAddress = GetProcAddress(GetModuleHandle("KERNEL32.DLL"), "TerminateProcess") 'get base address If hAddress > 0 Then If WriteProcessMemory(hProcess, ByVal hAddress, 195, 1, 0) <> 0 Then 'write buffer to memory CloseHandle (hAddress) 'close handles then return TRUE and exit function CloseHandle (hProcess) CloseHandle (hSnapShot) DisableTaskManager = True Exit Function End If End If CloseHandle (hAddress) 'close base address End If CloseHandle (hProcess) 'close process Exit Function End If DisableTaskManager = False Loop CloseHandle (hSnapShot) 'close snapshot End Function 'Syntax example using boolean Sub Main() If DisableTaskManager = True Then MsgBox "Sucessfully disabled Task Manager" Else MsgBox "Could not disable Task Manager" End If End Sub[/code] -reply by stoopid
Disable Task Manager with WriteProcessMemory
Disable Task Manager 1 Line Code![vb6] This uses the WriteProcessMemory function to overwrite the TerminateProcess function in the Kernel32 module. Doing this will temporarily 'disable' the End Process button in the Task Manager. I tried to comment the code so it would be pretty easy to understand. [code]'Disable Task Manager using WriteProcessMemory 'taskmgr.Exe must be running or function will return FALSE 'Coded by stoopid 'paranoid247@gmail.Com Private Declare Function WriteProcessMemory Lib "kernel32" (ByVal hProcess As Long, lpBaseAddress As Any, lpBuffer As Any, ByVal nSize As Long, lpNumberOfBytesWritten As Long) As Long Private Declare Function GetModuleHandle Lib "kernel32" Alias "GetModuleHandleA" (ByVal lpModuleName As String) As Long Private Declare Function GetProcAddress Lib "kernel32" (ByVal hModule As Long, ByVal lpProcName As String) As Long Private Declare Function OpenProcess Lib "kernel32" (ByVal dwDesiredAccess As Long, ByVal bInheritHandle As Long, ByVal dwProcessId As Long) As Long Private Declare Function CloseHandle Lib "kernel32" (ByVal hObject As Long) As LongPrivate Declare Function Process32First Lib "kernel32" (ByVal hSnapShot As Long, uProcess As PROCESSENTRY32) As Long Private Declare Function Process32Next Lib "kernel32" (ByVal hSnapShot As Long, uProcess As PROCESSENTRY32) As Long Private Declare Function CreateToolhelp32Snapshot Lib "kernel32" (ByVal lFlags As Long, lProcessID As Long) As Long Private Const TH32CS_SNAPPROCESS As Long = 2 Private Const PROCESS_ALL_ACCESS = &H1F0FFF Public Type PROCESSENTRY32 dwSize As Long cntUseage As Long th32ProcessID As Long th32DefaultHeapID As Long th32ModuleID As Long cntThreads As Long th32ParentProcessID As Long pcPriClassBase As Long swFlags As Long szExeFile As String * 1024 End Type 'DisableTaskManager will return TRUE if WriteProcessMemory returns nonzero; returns FALSE if error in function or process not found/running Public Function DisableTaskManager() As Boolean Dim hSnapShot As Long, hAddress As Long, hProcess As Long Dim pe32 As PROCESSENTRY32 'create snapshot of process hSnapShot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0) 'get size of processentry32 pe32.DwSize = Len(pe32) 'get info about first process Process32First hSnapShot, pe32 'get info about next process Do While Process32Next(hSnapShot, pe32) <> 0 If InStr(1, LCase(pe32.SzExeFile), LCase("TASKMGR.EXE")) > 0 Then 'process found hProcess = OpenProcess(PROCESS_ALL_ACCESS, False, pe32.Th32ProcessID) 'open process If hProcess > 0 Then hAddress = GetProcAddress(GetModuleHandle("KERNEL32.DLL"), "TerminateProcess") 'get base address If hAddress > 0 Then If WriteProcessMemory(hProcess, ByVal hAddress, 195, 1, 0) <> 0 Then 'write buffer to memory CloseHandle (hAddress) 'close handles then return TRUE and exit function CloseHandle (hProcess) CloseHandle (hSnapShot) DisableTaskManager = True Exit Function End If End If CloseHandle (hAddress) 'close base address End If CloseHandle (hProcess) 'close process Exit Function End If DisableTaskManager = False Loop CloseHandle (hSnapShot) 'close snapshot End Function 'Syntax example using boolean Sub Main() If DisableTaskManager = True Then MsgBox "Sucessfully disabled Task Manager" Else MsgBox "Could not disable Task Manager" End If End Sub[/code] -reply by stoopid
I dissagree
Disable Task Manager 1 Line Code![vb6] Replying to ethergeekReplying to vizskywalker I think that the hide from task man can be quite handy For example in a log in screen for a security programme, the user cannot dissable the programme. I stubled across this whilst looking for a way to disable the task man as I'm scripting a internet cafe programme that will disable several things on a PC such as Boot Menu, MS-Dos, Hard Drives, Lock CD drive etc etc One of the things it will need to do is dissable the task manager so that the user is not able to end the programme designed to log them out once their time session has expired -reply by Adam
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