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Wiping or Encrypting
Anti-forensic techniques are methods used by malware to prevent security professionals from detecting and analyzing it. One way that malware can accomplish this is by using wiping or encryption techniques to remove its own trace from the system.
In some cases, malware may use wiping or encryption as a decoy, in order to distract security professionals and hide its …
Read moreHiding Mechanisms
Malware often uses various techniques to hide its presence on a system and avoid detection. One common method is to modify or create entries in the system registry, which is a database of configuration settings for the operating system and installed applications. By modifying these settings, malware can hide itself from security software or other programs that might detect its …
Read moreDNS Tunneling
![Defense Evasion [Mitre] icon](/media/2024/04/08/icons8-burglar.svg){kind=small}
DNS tunneling is a technique that uses the Domain Name System (DNS) protocol to transfer data in an encrypted and covert manner. It involves encoding the data of other programs or protocols in DNS queries and responses, and using DNS servers as a means of communication.
To carry out DNS tunneling, the attacker typically needs access to a compromised …
Read moreDNS Hijacking
DNS hijacking or DNS redirection is a technique used to subvert the normal domain name resolution process. It involves redirecting DNS queries to a rogue DNS server controlled by an attacker, or modifying the behavior of a trusted DNS server so that it does not comply with internet standards. This can be done for various purposes, such as phishing attacks, …
Read moreProcess Reimaging
Process Reimaging is a technique used to evade detection by endpoint security solutions. It is a variation of the Process Hollowing or Process Doppelganging techniques, which are used to execute arbitrary code in the context of another process.
The Windows operating system has inconsistencies in how it determines the locations of process image FILE_OBJECTs, which can impact the ability …
Read moreAPI Hammering
API hammering is a technique used to delay sandbox analysis and thus avoid malware capability analysis reporting. This technique consists of calling a large amount of benign APIs like "printf" in a loop.
Read moreChecking Malware Name
Malware can use various techniques to evade detection by security analysts and researchers. One such technique is to check the name of the malware sample before fully executing on the infected machine. If the sample has been renamed to a blacklisted name, such as "malware.exe" or "sample.exe", or even with the file hash, the malware can detect this and change …
Read moreGetForegroundWindow
This technique uses the GetForegroundWindow and Sleep APIs to attempt to evade sandboxes. Many sandboxes do not alter the foreground window like a user would in a normal desktop environment.
It accomplishes this by making a call to GetForegroundWindow, which returns a handle to the current window. Then the malware sample will sleep for a short time, followed by …
Read moreTreepoline
Tree-view controls are a type of user interface element that is used to display hierarchical data in a graphical user interface (GUI). They are commonly used in Windows applications and allow users to navigate and explore complex data structures.
To display its content, a tree-view control must sort the items it shows. The sorting routine for a tree-view control …
Read moreDNS API Injection
DNS API injection is a technique used by malware to evade detection by intercepting and modifying DNS (Domain Name System) requests made by a host system. The technique involves injecting code into the DNS API (Application Programming Interface) of the host system, which is a set of functions and protocols that allow communication with the DNS service. By injecting code …
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