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Posts in category: powershell

Patchless AMSI Bypass via Page Guard Exceptions

Patchless AMSI Bypass via Page Guard Exceptions

May 5, 2026
by oxfemale AMSIBypassingEDRpowershellRedTeamshellcodewinapiwindows

The article shows a patchless AMSI bypass using Page Guard exceptions and VEH to intercept AmsiScanBuffer, force an early clean return, and avoid direct code patching.

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Evading Antivirus: Bypassing Windows Defender with Tenebris-Gate

Evading Antivirus: Bypassing Windows Defender with Tenebris-Gate

May 4, 2026
by oxfemale .NETAntivirusBypassingEDRpowershellRedTeamshellcodewinapiwindows

The article presents Tenebris-Gate as a layered Windows Defender evasion framework using shellcode encryption, API hashing, anti-debugging, sandbox delays, syscall tricks, and careful memory handling.

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When DNS Forwarding Meets Recursion: Understanding Conditional Forwarders in Windows

When DNS Forwarding Meets Recursion: Understanding Conditional Forwarders in Windows

March 26, 2026
by oxfemale Active DirectoryDNSpowershellpowershellwindows

The article explains how Windows DNS conditional forwarders interact with recursion. It shows that recursion settings can be overridden per zone and demonstrates how different DNS configurations affect query resolution.

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WSL, COM Hooking, & RTTI

WSL, COM Hooking, & RTTI

March 17, 2026
by oxfemale COMcppHookingPoCpowershellpowershellReverse EngineeringRTTIwinapiwinapiwindowsWSL

The article demonstrates how to hook COM methods in Windows Subsystem for Linux by leveraging C++ RTTI metadata to reconstruct class layouts and locate virtual methods, enabling precise COM instrumentation without symbols.

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Silent Harvest: Extracting Windows Secrets Under the Radar

Silent Harvest: Extracting Windows Secrets Under the Radar

March 14, 2026
by oxfemale BypassingEDRLSAMS-LSADMS-SAMRpowershellpowershellSAMwinapiwinapiwindows

“Silent Harvest” explains how attackers can quietly extract sensitive Windows secrets such as credentials and security keys by abusing legitimate registry and system mechanisms, avoiding LSASS dumping and bypassing many common EDR detections.

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Malware and cryptography 44 - encrypt/decrypt payload via Discrete Fourier Transform. Simple C example.

Malware and cryptography 44 – encrypt/decrypt payload via Discrete Fourier Transform. Simple C example.

March 10, 2026
by oxfemale cppCryptographyEncryptionMalwarepowershellpowershellshellcodewindows

Demonstration how malware can encrypt and decrypt payloads using the Discrete Fourier Transform (DFT). It provides a simple C example showing how mathematical transforms can hide shellcode and help evade static signature-based detection.

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Bypassing Detections with Command-Line Obfuscation

Bypassing Detections with Command-Line Obfuscation

March 9, 2026
by oxfemale AntivirusBypassingcmdEDRpowershellwindows

How attackers can bypass AV and EDR detections by obfuscating command-line arguments. By exploiting parsing quirks in executables, small changes to parameters can hide malicious intent while the command still executes normally.

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Recent Posts

  • CVE-2018-8611 — Exploiting the Windows Kernel Transaction Manager (Part 1/5: Introduction)
  • tabby — A Minimal Position-Independent Windows x64 Shellcode Framework, Built Entirely on Linux
  • CuSafe — Catching Memory Corruption on Commodity NVIDIA GPUs (USENIX Security ’26)
  • Exploiting CVE-2024-1065 via the Page Cache — A Physical-Page UAF in the ARM Mali GPU Driver
  • Weaponizing Writable SMB Shares to Steal Domain Credentials

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