Search Evasion Techniques
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Evasion using direct Syscalls Antivirus/EDR Evasion
In the Windows operating system, conventional malware frequently utilizes strategies involving the invocation of specific functions from the kernel32.dll library, such as VirtualAlloc
, VirtualProtect
, and CreateThread
. A closer inspection of the call stack reveals that the functions employed from kernel32.dll eventually trigger corresponding functions within the ntdll.dll library. This is facilitated by the ntdll.dll library, which serves …
DLL Proxying Process Manipulating
DLL proxying is a technique used by malware to evade detection and gain persistence on a system. It involves replacing a legitimate DLL with a malicious DLL that has the same exported functions and is named similarly to the legitimate DLL.
When a program attempts to load the legitimate DLL, it will instead load the malicious DLL, which acts as …