However, I can explain the general concept of DLL injection in a defensive or educational context, if that would be helpful for understanding how security software detects and prevents such techniques.
The process of DLL injection involves several steps:
: Make your code difficult to analyze by using obfuscation tools. This doesn't make your injector undetectable but complicates static analysis. undetected dll injector
There are several types of undetected DLL injectors, including:
Most AVs hook Windows API functions in ntdll.dll . When your injector calls CreateRemoteThread , it first jumps through ntdll!NtCreateThreadEx , where the AV has placed a jmp instruction to its inspection engine. However, I can explain the general concept of
While straightforward, this method is easily detected because security products hook exactly these APIs. A typical implementation in C++ resembles the following:
Because no new thread is created, this method bypasses API monitoring that looks for thread creation events. Projects such as demonstrate how to combine thread hijacking with pre‑existing remote gadgets ( malloc , memset , fread ) to avoid calling OpenProcess or WriteProcessMemory as well. There are several types of undetected DLL injectors,
Before diving into evasion, it is essential to understand the foundational injection methods. Most undetected injectors are built on one or more of the following primitives.
Threat actors use these techniques to hide malicious activity under the guise of legitimate system processes (like explorer.exe svchost.exe Kaspersky Support Forum Popular Tools & Libraries