Search Evasion Techniques
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299 item(s) found so far for this keyword.
Anti-UPX Unpacking Others
Anti-UPX Unpacking is the technique to prevent malware from being unpacked by tools like UPX. UPX packed binary indicates that the section names starting with UPX followed by a number (UPX0 and UPX1) and the string “UPX!” at the end of the PE header. This UPX reference structure is located at the end of the PE header and the header …
Disabling Event Tracing for Windows (ETW) Anti-Forensic
Many EDR solutions leverage Event Tracing for Windows (ETW) extensively. ETW allows for extensive instrumentation and tracing of a process functionality and WINAPI calls. It has components in the kernel, to register callbacks for system calls and other kernel operations, but also consists of a userland component that is part of ntdll.dll.
Since ntdll.dll is a DLL loaded into …
ProcEnvInjection - Remote code injection by abusing process environment strings Process Manipulating
This method allows to inject custom code into a remote process without using WriteProcessMemory - It will use the lpEnvironment parameter in CreateProcess to copy the code into the target process. This technique can be used to load a DLL into a remote process, or simply execute a block of code.
The lpEnvironment parameter in CreateProcess allows us to …
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 …
Unloading Sysmon Driver Anti-Monitoring
Sysmon is a tool that can be used to monitor system activity on Windows systems. It records various types of events, such as process creation, network connections, and registry changes, and stores them in the Windows Event Log. Security analysts can use this information to detect and investigate malicious activity on a system.
One way that malware can evade …
MPRESS Packers
MPRESS is a free packer. It makes programs and libraries smaller, and decrease start time when the application loaded from a slow removable media or from the network.
It uses in-place decompression technique, which allows to decompress the executable without memory overhead or other drawbacks; it also protects programs against reverse engineering by non-professional hackers. Programs compressed with MPRESS …
Alternate EXE Packer Packers
EXE Packer is able to compress executable files (type EXE) or DLL-files. Already compressed files may also be decompressed with this program. There exist 12 different levels for file-compression. This program is also able to create backups of the files that shall be compressed.
If a file is compressed the physical file-size is reduced on the respective device. A …
Themida Packers
Themida is a commercial known packer that embeds several features including anti-debugging, virtual machine emulation, encryption...
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Anti-debugger techniques that detect/fool any kind of debugger
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Anti-memory dumpers techniques for any Ring3 and Ring0 dumpers
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Different encryption algorithms and keys in each protected application
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Anti-API scanners techniques that avoids reconstruction …