C language function:IsDebuggerPresent sample codes

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TITLE : Anti-debugging Techniques Cheat Sheet - 0xAA - Random notes on security
* IsDebugged - second byte of PEB - this is what checked by IsDebuggerPresent(), however, can also be checked directly........
http://antukh.com/blog/2015/01/19/malware-techniques-cheat-sheet/


TITLE : . :: IsDebuggerPresent()
IsDebuggerPresent().......
http://b4you.net/blog/164
TITLE : . :: IsDebuggerPresent()
Windows API IsDebuggerPresent() . .. debugger ( debugee ) ........
http://b4you.net/blog/164
TITLE : . :: IsDebuggerPresent()
bIsDebugger = IsDebuggerPresent();.......
http://b4you.net/blog/164
TITLE : . :: IsDebuggerPresent()
if patch .. . Windows Thread Environment Block . Thread , Thread Process Environment Block field . TEB FS:[0x18] , PEB . FS:[0x18]... ring3 fs teb . Winternl.h PEB TEB . (VS 2003) PEB IsDebuggerPresent(), CheckRemoteDebuggerPresent() BeingDebugged ........
http://b4you.net/blog/164
TITLE : . :: IsDebuggerPresent()
DWORD __declspec(naked) MyIsDebuggerPresent().......
http://b4you.net/blog/164
TITLE : . :: IsDebuggerPresent()
DWORD MyIsDebuggerPresent().......
http://b4you.net/blog/164
TITLE : . :: IsDebuggerPresent()
IsDebuggerPresent(), PEB, TEB, , , ,.......
http://b4you.net/blog/164
TITLE : C# test.net Managed anti-debugging – how to prevent users from attaching a debugger
public static extern bool IsDebuggerPresent();.......
http://csharptest.net/1051/managed-anti-debugging-how-to-prevent-users-from-attaching-a-debugger/index.html
TITLE : C# test.net Managed anti-debugging – how to prevent users from attaching a debugger
while (!IsDebuggerPresent()).......
http://csharptest.net/1051/managed-anti-debugging-how-to-prevent-users-from-attaching-a-debugger/index.html
TITLE : C# test.net Managed anti-debugging – how to prevent users from attaching a debugger
If youfre going to do something like this, I would suggest adding an eif (!IsDebuggerPresent())f to the else clause of our DebugSelf method above. This would allow you to launch with a debugger but not to attach one at a later time. Have fun with it and as with any code on this site, gDonft blame meh. I didnft make you use it ;).......
http://csharptest.net/1051/managed-anti-debugging-how-to-prevent-users-from-attaching-a-debugger/index.html
TITLE : Testing XAML App for OpenGL ES on Windows 10 Mobile Device | DeveloperNote.com
// if (IsDebuggerPresent()).......
http://developernote.com/2016/08/testing-xaml-app-for-opengl-es-on-windows-10-mobile-device/
TITLE : FGenericPlatformMisc | Unreal Engine API Reference
IsDebuggerPresent().......
http://docs.unrealengine.com/latest/INT/API/Runtime/Core/GenericPlatform/FGenericPlatformMisc/index.html
TITLE : Dr. Fu's Security Blog: Malware Analysis 3: int2d anti-debugging (Part I)
To tell the existence of a debugger, as pointed by Shields in [2], there are many different ways. For example, an anti-debugging program can call system library functions such as "isDebuggerPresent()", or to examine the data structure of Thread Information Block (TIB/TEB) of the operating system. These techniques can be easily evaded by a debugger, by purposely masking the return result or the kernel data structure of the operating system........
http://fumalwareanalysis.blogspot.com/2011/09/malware-analysis-3-int2d-anti-debugging.html
TITLE : GitHub - icchy/unitracer: Windows API tracer for malware
def IsDebuggerPresent(ip, sp, ut):.......
http://github.com/icchy/unitracer
TITLE : Hooked on Mnemonics Worked for Me: "Hello World" For Windbg
if (IsDebuggerPresent() == TRUE).......
http://hooked-on-mnemonics.blogspot.com/2013/11/hello-world-for-windbg.html
TITLE : Hooked on Mnemonics Worked for Me: "Hello World" For Windbg
We can see the BeingDebugged has a value of No. If we press g to execute we can see we bypass IsDebuggerPresent()........
http://hooked-on-mnemonics.blogspot.com/2013/11/hello-world-for-windbg.html
TITLE : Analysing CryptoLocker with unpack.py: Initial Analysis (part 1) | Malware Musings
[*] <3612:3616> 0x5ad7a0e2: IsDebuggerPresent(): 0x1.......
http://malwaremusings.com/2016/03/08/analysing-cryptolocker-with-unpack-py-initial-analysis-part-1/
TITLE : Analysing CryptoLocker with unpack.py: Initial Analysis (part 1) | Malware Musings
Right. So unpack.py starts the executable file (the malware sample) and notices that it calls IsDebuggerPresent(), and that IsDebuggerPresent() is about to return 0x1, so it modifies the eax register so that the caller (our sample) thinks that IsDebuggerPresent() returned 0x0........
http://malwaremusings.com/2016/03/08/analysing-cryptolocker-with-unpack-py-initial-analysis-part-1/
TITLE : IsDebuggerPresent function (Windows)
BOOL WINAPI IsDebuggerPresent(void);.......
http://msdn.microsoft.com/en-us/library/windows/desktop/ms680345(v=vs.85).aspx
TITLE : IsDebuggerPresent API | Blog of Osanda
MessageBox(0, IsDebuggerPresent() ? "Debugger found" : "Debugger not found","Status",0x30);.......
http://osandamalith.com/2016/03/08/isdebuggerpresent-api/
TITLE : Art of Anti Detection 1 – Introduction to AV & Detection Techniques – Pentest Blog
// bool WINAPI IsDebuggerPresent(void);.......
http://pentest.blog/art-of-anti-detection-1-introduction-to-av-detection-techniques/
TITLE : Anti-debugger techniques are overrated | rdist
Nate: Your original point was that mixing in tricks like OutputDebugString(g%s%sh) and IsDebuggerPresent() are not strong deterrents to reverse engineering. I agree with this. My counter-argument was that this does not cover the entire spectrum of anti-debugging techniques........
http://rdist.root.org/2007/04/19/anti-debugger-techniques-are-overrated/
TITLE : PowerSniff Malware Used in Macro-based Attacks - Palo Alto Networks Blog
Other simple checks, such as a call to IsDebuggerPresent(), are also performed........
http://researchcenter.paloaltonetworks.com/2016/03/powersniff-malware-used-in-macro-based-attacks/
TITLE : Is there a C# equivalent to IsDebuggerPresent()? - Stack Overflow
Is there a C# equivalent to IsDebuggerPresent()?.......
http://stackoverflow.com/questions/12422242/is-there-a-c-sharp-equivalent-to-isdebuggerpresent
TITLE : Is there a C# equivalent to IsDebuggerPresent()? - Stack Overflow
internal static extern bool IsDebuggerPresent();.......
http://stackoverflow.com/questions/12422242/is-there-a-c-sharp-equivalent-to-isdebuggerpresent
TITLE : Is there a C# equivalent to IsDebuggerPresent()? - Stack Overflow
The IsDebuggerPresent() function checks for a native debugger being present. In your case you should use System.Diagnostics.Debugger.IsAttached to check if a (managed) debugger is present........
http://stackoverflow.com/questions/12422242/is-there-a-c-sharp-equivalent-to-isdebuggerpresent
TITLE : Is there a C# equivalent to IsDebuggerPresent()? - Stack Overflow
The member of the .NET Framework that resembles IsDebuggerPresent() the most is obviously Debugger.IsAttached, but their internal workings are entirely different, just like Debugger.Log works very differently from simple OutputDebugString........
http://stackoverflow.com/questions/12422242/is-there-a-c-sharp-equivalent-to-isdebuggerpresent
TITLE : Is there a C# equivalent to IsDebuggerPresent()? - Stack Overflow
* IsDebuggerPresent() asks the kernel for the presence of an attached native debugger, and has no knowledge of managed debuggers whatsoever........
http://stackoverflow.com/questions/12422242/is-there-a-c-sharp-equivalent-to-isdebuggerpresent
TITLE : Is there a C# equivalent to IsDebuggerPresent()? - Stack Overflow
As of Visual Studio 2013, the managed debugger is built on top of a native debugger, so both IsDebuggerPresent() and Debugger.IsAttached should return true when debugging a managed application under VS. But if you happen to attach Visual Studio to a managed application and explicitly override the code type to native, IsDebuggerPresent() will return true while Debugger.IsAttached still returns false........
http://stackoverflow.com/questions/12422242/is-there-a-c-sharp-equivalent-to-isdebuggerpresent
TITLE : Scripting Bot Malware: No Need to Learn C to Launch a Cyber Attack
Using WinDbg and placing a breakpoint at kernel32!IsDebuggerPresent revealed that the executable uses a very simple anti-debugging technique. IsDebuggerPresent() Windows API simply reads the value of the PEB (Process Environment Block) BeingDebugged flag which is located at offset 2 in the PEB structure. Bypassing this protection is as easy as setting the value ofBeingDebugged to 0........
http://vinsula.com/2013/11/27/scripting-bot-malwar/
TITLE : Your malware shall not fool us with those anti analysis tricks | AlienVault
It loads the function handler for IsDebuggerPresent using the function GetProcAddress() from kernel32.dll. Hey wait! And why not use IsDebuggerPresent() directly? Because it is noisy and easily detectable........
http://www.alienvault.com/blogs/labs-research/your-malware-shall-not-fool-us-with-those-anti-analysis-tricks
TITLE : Anti Debugging Protection Techniques With Examples
if (IsDebuggerPresent()).......
http://www.apriorit.com/dev-blog/367-anti-reverse-engineering-protection-techniques-to-use-before-releasing-software
TITLE : Introduction Into Windows Anti-Debugging - CodeProject
if(IsDebuggerPresent()).......
http://www.codeproject.com/Articles/29469/Introduction-Into-Windows-Anti-Debugging
TITLE : RCE Endeavors » Writing a Primitive Debugger: Part 1 (Basics)
if (IsDebuggerPresent()).......
http://www.codereversing.com/blog/archives/168
TITLE : RCE Endeavors » Writing a Primitive Debugger: Part 1 (Basics)
#include #include int main(int argc, char *argv[]) { printf("Press enter to raise an exception.\n"); (void)getchar(); if (IsDebuggerPresent()) { OutputDebugStringA("This should be seen by the debugger.\n"); RaiseException(STATUS_ACCESS_VIOLATION, 0, 0, nullptr); } else { printf("Process was not being debugged.\n"); } return 0; }.......
http://www.codereversing.com/blog/archives/168
TITLE : Threat Spotlight: Satan RaaS
- Call to IsDebuggerPresent() and CheckRemoteDebuggerPresent().......
http://www.cylance.com/threat-spotlight-satan-raas
TITLE : [SOURCE] AntiDebug [Detector] Unit for Delphi - Delphi Pages Forums
function IsDebuggerPresent():BOOL; stdcall;external 'kernel32.dll' name 'IsDebuggerPresent';.......
http://www.delphipages.com/forum/showthread.php@t=216438
TITLE : pinvoke.net: isdebuggerpresent (kernel32)
static extern bool IsDebuggerPresent();.......
http://www.pinvoke.net/default.aspx/kernel32.isdebuggerpresent
TITLE : pinvoke.net: isdebuggerpresent (kernel32)
if (IsDebuggerPresent() == true) {.......
http://www.pinvoke.net/default.aspx/kernel32.isdebuggerpresent
TITLE : Not being paranoid enough !? A Pafish primer
Pafish contains only very simple debugger detections by utilizing thetwo different Windows API functionsIsDebuggerPresent() and OutputDebugString(). Since most malware sandboxes donft utilizein-machine debugging, these checksare useless todetect them. Besides the Pafish routines,there aremany more sophisticated methods to detect debuggers, either generically or specifically........
http://www.vmray.com/blog/a-pafish-primer/
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