Reverse Engineering HyperDbg - The Source Code of HyperDbg Debugger

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HyperDbg is now available for tests! Please test it and provide us with your valueable feedback and possible bugs.

HyperDbg Debugger is an open-source, community-driven, hypervisor-assisted, user-mode and kernel-mode Windows debugger with a focus on using modern hardware technologies. It is a debugger designed for analyzing, fuzzing and reversing.

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Description

HyperDbg is designed with a focus on using modern hardware technologies to provide new features to the reverse engineering world. It operates on top of Windows by virtualizing an already running system using Intel VT-x and Intel PT. This debugger aims not to use any APIs and software debugging mechanisms, but instead, it uses Second Layer Page Table (a.k.a. Extended Page Table or EPT) extensively to monitor both kernel and user executions.

Unique Features

First Release (v0.1.0.0)

    Classic EPT Hook (Hidden Breakpoint) [link][link]
    Inline EPT Hook (Inline Hook) [link][link]
    Monitor Memory For R/W (Emulating Hardware Debug Registers Without Limitation) [link][link]
    SYSCALL Hook (Disable EFER & Handle #UD) [link][link]
    SYSRET Hook (Disable EFER & Handle #UD) [link][link]
    CPUID Hook & Monitor [link]
    RDMSR Hook & Monitor [link]
    WRMSR Hook & Monitor [link]
    RDTSC/RDTSCP Hook & Monitor [link]
    RDPMC Hook & Monitor [link]
    VMCALL Hook & Monitor [link]
    Debug Registers Hook & Monitor [link]
    I/O Port (In Instruction) Hook & Monitor [link]
    I/O Port (Out Instruction) Hook & Monitor [link]
    MMIO Monitor
    Exception (IDT < 32) Monitor [link][link]
    External-Interrupt (IDT > 32) Monitor [link][link]
    Running Automated Scripts [link]
    Transparent-mode (Anti-debugging and Anti-hypervisor Resistance) [link][link]
    Running Custom Assembly In Both VMX-root, VMX non-root (Kernel & User) [link]
    Checking For Custom Conditions [link][link]
    VMX-root Compatible Message Tracing [link]
    Powerful Kernel Side Scripting Engine [link][link]
    Support To Symbols (Parsing PDB Files) [link][link]
    Event Forwarding (#DFIR) [link][link]
    Transparent Breakpoint Handler
    Various Custom Scripts [link]

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