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186 item(s) found so far for this keyword.

Checking Malware Name Sandbox Evasion Anti-Monitoring

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 …

Execution Guardrails: Environmental Keying Defense Evasion [Mitre]

Adversaries may environmentally key payloads or other features of malware to evade defenses and constraint execution to a specific target environment. Environmental keying uses cryptography to constrain execution or actions based on adversary supplied environment specific conditions that are expected to be present on the target. Environmental keying is an implementation of Execution Guardrails that utilizes cryptographic techniques for deriving …

Detecting Online Sandbox Sandbox Evasion

Online sandbox has become very popular for malware analysis. Several malware authors employ such techniques to avoid detection and analysis. Some of these techniques will be summarized here.

  • Any.Run uses a fake root certificate to spy on sandbox traffic. The first information about the system can be obtained by querying the information of the root certificate. In …

User Interaction (Are you human?) Sandbox Evasion

You can get an advantage against sandboxes by using user interaction techniques. For example, The average user has a username and password and as long as the user you are targeting does not enter their password correctly, you can prevent your malware execution and bypass the possible sandbox control.

Thwarting Stack-Frame Analysis Anti-Disassembly

Thwarting Stack-Frame Analysis is a technique used by malware to make it more difficult for security analysts to reverse engineer and analyze the code. A stack frame is a collection of data associated with a function, including local variables, arguments passed to the function, and the return address. Disassemblers can use information from the stack frame to understand a function's …

Shellcode Injection via CreateThreadpoolWait Process Manipulating

Shellcode injection is a technique used by malware to execute arbitrary code within the context of a targeted process. One method of achieving this is through the use of the CreateThreadpoolWait function, which is a part of the Windows thread pool API.

In the context of shellcode injection, CreateThreadpoolWait is used to create a wait object that is associated …

Themida Packers

Themida is a commercial known packer that embeds several features including anti-debugging, virtual machine emulation, encryption...

  • Anti-debugger techniques that detect/fool any kind of debugger

  • Anti-memory dumpers techniques for any Ring3 and Ring0 dumpers

  • Different encryption algorithms and keys in each protected application

  • Anti-API scanners techniques that avoids reconstruction …

Alienyze Packers

Alienyze is a software packer designed to compress executable files, allowing them to reduce the file size of their software as much as possible.

  • Anti-Debugger techniques that detect and fool present debuggers

  • Anti-VM techniques that detect sandbox & virtualized environments

  • Protection from disassemblers and software analysis tools

  • Hardware …

ConfuserEx Packers

ConfuserEx is a open-source protector for .NET applications. It is the successor of Confuser project. It's primarily designed to make reverse engineering difficult for applications written in .NET languages like C# and VB.NET. ConfuserEx does this by using a variety of techniques like symbol renaming, control flow obfuscation, and encryption of strings and resources.

  • Supports .NET …

.Net Reactor Packers

.NET Reactor is used to prevent reverse engineering by adding different protection layers to .NET assemblies. Beside standard obfuscation techniques it includes special features like NecroBit, Virtualization, x86 Code Generation or Anti Tampering.


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