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HyperDbg/CHANGELOG.md
sina a90513c71d update changelog for v0.21 release
2026-07-05 15:38:03 +02:00

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[0.21.0.0] - 2026-07-05

New release of the HyperDbg Debugger.

Added

  • Added structure for the hyperperf (Hardware Performance Counter) project (link)
  • The 'unload' command checks whether any module is loaded or not (link)
  • Exported SDK API for checking whether any module is loaded or not (link)
  • Added user mode and kernel mode PT parameter parser (link)
  • Added thread (TID) and process (PID) helper functions for Intel PT (link)

Changed

  • Separated SDK libraries for user mode and kernel mode modules (link)
  • Added hypertrace, hyperevade, and hyperperf DLL files to SDK (link)
  • Fix pool manager uninitialize list corruption (link)
  • Fix 'access denied' error on loading all modules using 'load all' (link)(link)
  • Fix the concatenation error for the "hyperkd" string on the hypertrace project (2b0cc18899))
  • Organized header files for the libhyperdbg project (link)

[0.20.0.0-beta] - 2026-06-21

New release of the HyperDbg Debugger.

Added

  • Added the libipt library to the project and the SDK
  • Added Intel Processor Trace (PT) example app
  • Added Linux distinction and pragmas together with new platform functions (link)
  • Added interfaces to Linux port for the serial devices (link)
  • Added platform IOCTL interface (link)
  • Added typecast for wchar, mismatch on Linux and Windows (link)
  • Added missing IOCTLs for Intel PT (link)
  • Added NuGet packages for Windows SDK and WDK
  • Added Signal handler platform API for Linux (link)
  • Added contribution guidelines for Linux (link)

Changed

  • Moved to Visual Studio 2026 (link)
  • Zydis and pdbex submodules are updated to VS2026
  • Fix the new form of loading and unloading in the example app and PT app (link)
  • Check whether the top-level hypervisor is Hyper-V and disable/enable VPIDs based on that, thanks to @Idov31 (link)
  • Fix PT operation IOCTL buffer size (link)
  • CI/CD updated with NuGet packages for Visual Studio 2026 (link)

[0.19.0.0-beta] - 2026-06-10

New release of the HyperDbg Debugger.

Added

  • First release of the HyperTrace module (link)
  • HyperTrace now enables/disables VM-entry/VM-exit controls for Load and Save IA32_DEBUGCTL MSR
  • Added Legacy LBR support to the HyperTrace module
  • Added Architectural LBR support to the HyperTrace module
  • Added the '!lbr' command for performing different Last Branch Record (LBR) operations (link)
  • Added the '!lbrdump' command for dumping saved Last Branch Record (LBR) entries (link)
  • Added lbr_save() and lbr_print() functions in the script engine (link)(link)
  • Added mock application for compiling SDK for Linux
  • Added '!help' alias for the '.help' command
  • Added 'vm' alias for the 'load' command (link)
  • Added lbr_check() and lbr_restore() functions in the script engine (link)(link)
  • Added lbr_restore_by_filter(filter) function in the script engine (link)
  • Added the 'kd' module in the 'load' command (link)
  • Added the 'trace' module in the 'load' command (link)
  • Exported SDK API for detecting CPU vendors
  • Initial codes for the HyperTrace project by using Intel Processor Trace (PT), thanks to @masoudrahimi01 (link)
  • Exported SDK APIs for loading and unloading the 'kd' and the 'trace' modules
  • Exported SDK APIs for starting (installing) the 'kd' driver
  • Exported SDK APIs for loading/unloading all modules
  • Added tests for checking PE parser in 'hyperdbg-test' project
  • Added example for loading HyperDbg in VMI mode directly from libhyperdbg
  • Fix action cleanup list removal in debugger events (link)
  • Added transparent-mode evade mask selection thanks to @jtaw5649 (link)
  • Added synthetic MSR handling thanks to @Idov31 (link)
  • Added use of relative RSDS fixture paths when loading PDB symbols, thanks to @jtaw5649 (link)

Changed

  • Fix the problem of not applying the EAX index in the CPUID event extension command (link)
  • Refactoring the IOCTL parameter checks and status routines
  • All basic types are now defined for Linux
  • VMX instructions are ported to platform-independent files to support Linux
  • All CPU-related intrinsic instructions are ported to platform-independent files to support Linux
  • HyperDbg SDK now compiles on Linux (GCC) for both user-mode and kernel-mode
  • Fix the 'wrmsr' command IOCTL checks by receiving output in the buffer (link)
  • Extensive refactoring of code base (doxygen, variables, function names)
  • Building certain modules on Linux and fixing CMake files thanks to @maxraulea (link)
  • Fix the '!hide' command's HyperEvade activation guard thanks to @jtaw5649 (link)
  • Fix synchronous debugger device IOCTL handles thanks to @jtaw5649 (link)
  • PE parser ('.pe' command) now supports richer DOS/NT/COFF/optional-header output, section bounds checking, data directory reporting, import/export parsing, TLS/debug/PDB/load-config metadata, overlay reporting, and malformed metadata warnings thanks to @jtaw5649 (link)(link)
  • Building the script engine module on Linux (GCC) thanks to @maxraulea (link)
  • The pool manager moved from 'hyperhv' to 'hyperkd'
  • The 'load' command could load all modules using a new alias 'load all' (link)
  • The 'unload' command could remove all modules using two new aliases 'unload all' and 'unload remove all' (link)
  • Change device handle checks with module loading status checks for IOCTLs (link)
  • Fix standard callbacks for the VMM module (link)
  • Fix race condition bug within the pool manager

[0.18.1.0] - 2026-04-09

New release of the HyperDbg Debugger.

Added

  • HyperTrace now works with HyperDbg VMM (link)
  • Progress on implementing Last Branch Recode (LBR) (link)
  • Applying LBR registers on the VMCS instead of the DEBUGCTL MSR (link)

Changed

  • Fix the problem of the '!epthook' not finding the PML1 entry (link)
  • Fix the problem of getting the PML1 entry of the target address on Intel Core Ultra processors (#567) (link)
  • Fix the '.clang-format' formatting error
  • Restructure of the HyperTrace project
  • Add starting structure for supporting Intel Processor Trace (PT)

[0.18.0.0] - 2026-02-16

New release of the HyperDbg Debugger.

Added

  • Script engine now supports writing libraries using the '#include' keyword thanks to @xmaple555 (link)(link)(link)
  • Initial codes for the HyperTrace project by using Intel Last Branch Record (LBR) and Branch Trace Store (BTS) thanks to @harimishal1 (link)
  • The HyperTrace project is now linked to the hyperkd
  • Initial efforts to port HyperDbg to Linux have started thanks to @Alish14 (link)

Changed

  • Fix compilation error in Zydis with the new Windows WDK (link)

[0.17.0.0] - 2025-11-10

New release of the HyperDbg Debugger. All credit for this release goes to @xmaple555.

Added

  • Added 1D and 2D arrays (multidimensional arrays) in the script engine (link)(link)
  • Added compound assignments in the script engine (link)(link)
  • Added multiple assignments in the script engine (link)(link)

Changed

  • Fix bugs for interpreting 'db_pa, 'dd_pa', 'eb_pa', and 'ed_pa' keywords in the script engine (link)(link)
  • Fix variable types in the script engine (link)
  • Fix and update array index for boolean expressions in the script engine (link)

[0.16.0.0] - 2025-09-08

New release of the HyperDbg Debugger.

Added

  • The !xsetbv event command was added for handling the execution of the XSETBV instruction, thanks to HyperDbg group members (link)
  • Display of the number of blocked context switches in the '.switch' command (link)
  • Added support for step-in (the 't' command) in the user debugger (link)
  • Added support for step-over (the 'p' command) in the user debugger (link)
  • Added support to show all registers or a specific register in the user debugger (link)
  • Exported SDK API for running scripts in either the kernel debugger or the user debugger
  • Added support to modify registers or a specific register in the user debugger (link)
  • Added support to evaluate (run) scripts on the target thread in the user debugger (link)
  • Added an indication of a thread's running or paused state to the HyperDbg signature in the user debugger (link)
  • Added support for the '.formats' command in the user debugger (link)
  • Added support for interpreting parameters based on script engine expressions in the user debugger
  • Exported SDK API for evaluating expressions based on the context of the kernel debugger or the user debugger
  • Added a new mechanism for showing the 'printf' and the 'print' function messages in the user debugger (link)(link)

Changed

  • Non-volatile XMM registers are no longer saved/restored on VM-exit handler (link)
  • Fix grammar and spelling errors throughout HyperDbg codebase (link)
  • Relocate extension command files into their corresponding VS directory
  • Fix infinite VM-exit bug for the '!monitor x' command thanks to @unlockable (link)

[0.15.0.0] - 2025-08-18

New release of the HyperDbg Debugger.

Added

  • Added the '!smi' command for performing operations related to System Management Interrupt (SMI) (link)
  • Export the SDK functions for SMI operations (link)
  • Check for Intel CET IBT (indirect branch tracking) support
  • Check for Intel CET shadow stack support
  • Added support to Intel CET for SYSCALL/SYSRET emulation (link)(link)

Changed

  • The 'hyperhv' project now has build optimizations enabled
  • Reformat VMXOFF restoring routines to restore general-purpose and XMM registers correctly before moving to the previous stack
  • Fix unloading (VMXOFF) crash when restoring XMM registers
  • Fix the problem with restoring XMM registers (#468) (link)
  • Enhanced the '.pe' command to support PE Rich Headers thanks to @Alish14 (link)
  • Updated ia32-doc to fix VMCS PL3 SSP fields (link)
  • Fix the terminating process issue of the '!syscall/!sysret' commands on 11 generation (Rocket Lake/Tiger Lake) and newer Intel processors (link)
  • Re-enable the support for the '.start' command in the Debugger mode (link)
  • The '!mode' event command is now compatible with different EPT hook commands (e.g., !epthook, !epthook2, !monitor, .start, and .restart) (link)
  • The '!mode' command doesn't need allocating extra EPTPs (link)

[0.14.1.0] - 2025-07-27

New release of the HyperDbg Debugger.

Changed

  • Restored the previous optimization on the release builds
  • Fixed the issue of not properly restoring registers after the 'CPUID' instruction
  • Fixed the building issues of the user debugger with the 'bp' and the '.start' commands

[0.14.0.0] - 2025-07-23

New release of the HyperDbg Debugger.

Added

  • microsleep(microseconds) function in the script engine (link)
  • rdtsc() and rdtscp() functions in the script engine (link)(link)
  • Added functions to get system-call number from the running system (link)
  • Added the support for the '.start' command in the VMI mode (link)
  • Added a new mechanism for finding the system-call number based on the running system (link)
  • Added hyperevade transparency project (link)
  • Added support to the '.attach' and '.detach' in the debugger mode (link)(link)
  • Added support to the '.start' command in the VMI mode for the user debugger (link)
  • Added support to setting the breakpoint using the 'bp' command in the VMI mode (link)
  • Added EPT page table support for MMIO addresses above 512 GB

Changed

  • Redesigned the '!mode' extension command without extra EPTP (link)
  • The user mode debugger now uses MBEC for preventing user-mode code execution (link)
  • Apply transparent-mode based on dynamic system-calls (link)
  • Breakpoint initialization is changed from kernel debugger to the regular debugger (link)
  • Fixed the build issue on new Windows SDK for Token structures (link)
  • Fixed retrieving valid watching process IDs for the execution trap and user-mode execution prevention
  • Fixed crashing the driver if the hyperlog memory was not properly allocated
  • The target runner image for deploying HyperDbg (CI/CD) changed from Windows Server 2019 to 2022
  • Restored the pid and the process name parameters of the '!hide' command (link)
  • Fixed crashing Windows when using 'TPAUSE' instruction on bare metal Windows 11 24h2
  • Check to avoid putting EPT hooks on physical addresses greater than 512 GB

[0.13.2.0] - 2025-05-26

New release of the HyperDbg Debugger.

Added

  • Intercepting system-call return results using the TRAP flag for the transparent-mode
  • Added optional parameters and context for the transparent-mode system-call return interceptions

Changed

  • Set variable length (stack frames) for showing the callstack (link)
  • Fixed VMCS layout corruption due to NMI injection (VMRESUME 0x7 error) in nested-virtualization on Meteor Lake processors
  • Restore RDMSR handler for VM-exits

[0.13.1.0] - 2025-04-14

New release of the HyperDbg Debugger.

Added

  • Added new transparency methods for hiding nested virtualization environments thanks to @CokeTree3 (link)

Changed

  • Fix '.thread' command crash (link)
  • Update .clang-format format file based on the new version of LLVM
  • Update the list of required contributions

[0.13.0.0] - 2025-02-25

New release of the HyperDbg Debugger.

Added

  • Added mitigation for the anti-hypervisor method in handling the trap flag for emulated instructions (link)
  • Export the SDK functions for enabling and disabling transparent mode (link)(link)
  • New description of changing script engine constants (link)
  • Added the command for interpreting PCI CAM (PCI configuration space) fields (link)
  • Added the command for dumping PCI CAM (PCI configuration space) memory (link)
  • Checking for and unloading the older version of the driver (if it exists) (link)
  • memcpy_pa() function in the script engine (link)
  • poi_pa, hi_pa, low_pa, db_pa, dd_pa, dw_pa, and dq_pa keywords in the script engine (link)
  • eb_pa, ed_pa, and eq_pa functions in the script engine (link)

Changed

  • Fix the 'lm' command issue of not showing kernel module addresses (KASLR leak mitigation) introduced in Windows 11 24h2 (link)
  • Deprecated TSC mitigation for the transparent mode (link)
  • Changed the parameters of the '!hide' command (link)
  • Changed the parameters of the '!unhide' command (link)
  • Fix containing backslash escape character in script strings (link)
  • Fix reading/writing into devices' physical memory (MMIO region) in VMI Mode (link)
  • All test cases for command parsing are now passed (link)
  • The '.sympath' command now requires the symbol server path to be within quotes, although it is not mandatory (link)

[0.12.0.0] - 2025-01-02

New release of the HyperDbg Debugger.

Added

  • Added the PCI tree command (link)
  • Added the proper handling for the xsetbv VM exits thanks to @Shtan7 (link)
  • Added the IDT command for interpreting Interrupt Descriptor Table (IDT) (link)
  • Export SDK APIs for getting Interrupt Descriptor Table (IDT) entries

Changed

  • Fix buffer overflow in the symbols path converter thanks to @binophism (link)
  • Fix script engine's "printf" function to improve safety thanks to @Reodus (link)

[0.11.0.0] - 2024-12-03

New release of the HyperDbg Debugger.

Added

  • Added the local APIC command (xAPIC and x2APIC modes) (link)
  • Added the I/O APIC command (link)
  • The new link is added to help increase the number of EPT hook breakpoints in a single page (link)
  • Export SDK APIs for Local APIC and X2APIC

Changed

  • The link for changing the communication buffer size is updated (link)
  • Update Microsoft's DIA SDK and symsrv

[0.10.2.0] - 2024-10-11

New release of the HyperDbg Debugger.

Added

  • Automated test case parsing and test case compilation (generation) for the hwdbg debugger
  • Export hwdbg testing functions
  • Automated test case interpretation and emulation of hwdbg hardware scripts
  • Create JSON representation of hwdbg configs

Changed

  • Fix main command parser bugs according to test cases
  • Improvements in symbol structure, token structure, and stack buffer in the script engine
  • Fix compatibility mode program crash when terminating 32-bit process (#479) (link)
  • Extensive refactor of chip instance info interpretation codes of hwdbg debugger
  • Separating functions of hwdbg interpreter and script manager
  • Fix synthesize inconsistencies between Icarus iVerilog and Xilinx ISim
  • Fix runtime error for deallocating memory from separate DLLs
  • Exporting standard functions (import/export) for the script engine
  • Exporting standard functions (import/export) for the symbol parser
  • Avoid passing signals once the stage is not configured

[0.10.1.0] - 2024-09-08

New release of the HyperDbg Debugger.

Added

  • Added feature to pause the debuggee immediately upon connection
  • The '.debug' command now supports pausing the debuggee at startup (link)
  • Export SDK API for assembling instructions
  • The 'struct' command now supports a path as output (link)
  • Export SDK API closing connection to the remote debuggee
  • Automated tests for the main command parser
  • Export SDK APIs for stepping and tracing instructions
  • Export SDK APIs for tracking execution

Changed

  • HyperDbg command-line comment sign is changed from '#' to C-like comments ('//' and '/**/')
  • Integrating a new command parser for the regular HyperDbg commands
  • Fix showing a list of active outputs using the 'output' command (link)
  • Fix the issue of passing arguments to the '.start' command (link)
  • Fix the problem with parsing multiple spaces within the events (#420) (link)
  • Fix the problem with escaping '{' in the command parser (#421) (link)
  • Fix nested brackets issues in the main command parser
  • Fix script engine bugs on order of passing arguments to functions (#453) (link)
  • Fix the script test case for factorial computation (link)
  • Fix the script test case for computation iterative Fibonacci (link)
  • Fix miscomputation of physical address width for physical address validity checks (#469) (link)

[0.10.0.0] - 2024-07-22

New release of the HyperDbg Debugger.

Added

  • Support using assembly conditions and codes in all events (link)(link)
  • Added support for forwarding events to binary (DLL) modules (link)(link)(link)
  • Added the assembler command 'a' for virtual memory (link)
  • Added the assembler command '!a' for physical memory (link)
  • Providing a unified SDK API for reading memory in the VMI Mode and the Debugger Mode
  • Export SDK APIs for reading/writing into registers in the Debugger Mode
  • Export SDK API for writing memory in the VMI Mode and the Debugger Mode
  • Export SDK API for getting kernel base address
  • Export SDK API for connecting to the debugger and from debuggee in the Debugger Mode
  • Export SDK API for starting a new process
  • Add and export SDK API for unsetting message callback
  • Event commands are coming with more examples regarding scripts and assembly codes
  • Add message callback using shared memory
  • Add maximum execution limitation to the script IRs (#435) (link)

Changed

  • Fix clearing '!monitor' hooks on a different process or if the process is closed (#409) (link)
  • Fix triggering multiple '!monitor' hooks with different contexts (#415) (link)
  • Fix the problem of repeating commands once kHyperDbg is disconnected
  • Fix step-over hangs if the process terminates/excepts within call instruction (#406) (link)
  • Fix crash on editing invalid physical addresses (#424) (link)
  • Fix exporting VMM module load and install it in the SDK
  • Fix function interpretation issues and update the parser and the code execution (#435) (link)

[0.9.1.0] - 2024-06-30

New release of the HyperDbg Debugger.

Added

  • Regular port/pin value read and modification in hwdbg
  • Conditional statement evaluation in hwdbg
  • Added automatic script buffer packet generator for hwdbg
  • Added support for @hw_pinX and @hw_portX registers
  • Added hwdbg instance information interpreter
  • Added stack buffer in vmx-root (link)
  • Exporting functions to support loading drivers with different names
  • Exporting function to connect and load HyperDbg drivers
  • Exporting function to connect and load HyperDbg drivers
  • $date and $time pseudo-registers are added (link)(link)

Changed

  • Fix using constant WSTRINGs in the wcsncmp function (link)
  • Fix phnt build error with 24H2 SDK
  • hprdbgctrl.dll changed to libhyperdbg.dll
  • hprdbgkd.sys changed to hyperkd.sys
  • hprdbghv.dll changed to hyperhv.dll
  • Dividing user/kernel exported headers in the SDK

[0.9.0.0] - 2024-06-09

New release of the HyperDbg Debugger.

Added

  • The !monitor command now physical address hooking (link)
  • hwdbg is merged to HyperDbg codebase (link)
  • strncmp(Str1, Str2, Num), and wcsncmp(WStr1, WStr2, Num) functions in script engine (link)(link)

Changed

  • Using a separate HOST IDT in VMCS (not OS IDT) (fix to this VM escape issues)
  • Using a dedicated HOST GDT and TSS Stack
  • Checking for race-condition of not locked cores before applying instant-events and switching cores
  • The error message for invalid address is changed (more information)
  • Fix the problem of not locking all cores after running the '.pagein' command

[0.8.4.0] - 2024-05-10

New release of the HyperDbg Debugger.

Changed

  • Fixed the signedness overflow of the command parser

[0.8.3.0] - 2024-05-03

New release of the HyperDbg Debugger.

Added

  • Added hwdbg headers (link)
  • Added support NUMA configuration with multiple count CPU sockets (link)
  • Added citation to TRM paper (link)

Changed

  • Change release flag of hyperdbg-cli to Multi-threaded Debug (/MTd)
  • Fix bitwise extended type, fixed memleaks, remove excess else and cmp int with EOF (link)

[0.8.2.0] - 2024-03-19

New release of the HyperDbg Debugger.

Added

  • Add user-defined functions and variable types in script engine thanks to @xmaple555 (link)(link)

Changed

  • Fix debuggee crash after running the '.debug close' command on the debugger
  • The problem with adding edge MTRR pages is fixed thanks to @Maladiy (link)
  • All compiler/linker warnings of kernel-mode modules are fixed
  • User/Kernel modules of HyperDbg now compiled with "treat warning as error"
  • After downloading new symbols it is automatically loaded
  • Fix error messages/comments spelling typos

[0.8.1.0] - 2024-02-01

New release of the HyperDbg Debugger.

Added

  • The !monitor command now supports length in parameters (link)

Changed

  • Fix the issue of not intercepting memory monitoring on non-contiguous physical memory allocations
  • The speed of memory read/write/execution interception is enhanced by avoiding triggering out-of-range events

[0.8.0.0] - 2024-01-28

New release of the HyperDbg Debugger thanks to @mattiwatti.

Added

  • The !mode event command is added to detect kernel-to-user and user-to-kernel transitions (link)
  • The 'preactivate' command is added to support initializing special functionalities in the Debugger Mode (link)

Changed

  • Fix miscalculating MTRRs in 13th gen processors

[0.7.2.0] - 2024-01-23

New release of the HyperDbg Debugger thanks to @mattiwatti and @cutecatsandvirtualmachines.

Changed

  • Fix INVEPT invalidation using out of scope descriptor (link)
  • Fix MTRR initialization crash (link)

[0.7.1.0] - 2023-12-20

New release of the HyperDbg Debugger.

Changed

  • Fix the single core broadcasting events issue (link)
  • Evaluate the '.pagin' ranges as expressions (link)
  • Add hexadecimal escape sequence as string parameter for string functions (link)
  • Add hexadecimal escape sequence as wstring parameter for wstring functions (link)
  • Fix breakpoint and the '!epthook' problems in the same address (link)

[0.7.0.0] - 2023-11-22

New release of the HyperDbg Debugger.

Added

  • HyperDbg now applies events immediately as implemented in the "instant events" mechanism (link)
  • The Event Forwarding mechanism is now supported in the Debugger Mode (link)
  • The Event Forwarding mechanism now supports external modules (DLLs) (link)
  • event_clear(EventId) function in script engine (link)
  • HyperDbg now supports string inputs for strlen and other related functions thanks to @xmaple555 (link)
  • New semantic tests for the script engine (50 to 59) is added mainly for testing new string and memory comparison functions (link)
  • strlen and wcslen functions now support string and wide-character string as the input (link)(link)
  • strcmp(Str1, Str2), wcscmp(WStr1, WStr2) and memcmp(Ptr1, Ptr2, Num) functions in script engine thanks to @xmaple555 (link)(link)(link)
  • The debug break interception (#DB) manipulation option is added to the 'test' command (link)
  • The '.pagein' command, now supports address ranges (length in bytes) to bring multiple pages into the RAM (link)

Changed

  • Fix the problem with the "less than" and the "greater than" operators for signed numbers thanks to @xmaple555 (link)
  • Fix the problem checking for alternative names thanks to @xmaple555 (link)
  • Fix the crash by turning off the breakpoints while a breakpoint is still active thanks to @xmaple555 (link)
  • Fix the crash on reading symbols on remote debuggee thanks to @xmaple555 (link)
  • The 'prealloc' command is updated with new instant-event preallocated pools (link)
  • Fix wrong removing of EPT Hook (hidden breakpoints)
  • The 'event' command, no longer continues debuggee for clearing events, instead just disables the event and removes the effects of the event when debuggee continues (link)
  • $id pseudo-register changed to $event_id (link)
  • $tag pseudo-register changed to $event_tag (link)
  • $stage pseudo-register changed to $event_stage (link)
  • Fix adding pseudo-registers with underscore in the script engine (link)
  • Fix the boolean expression interpretation in if conditions in the script engine (link)
  • HyperDbg now intercepts all debug breaks (#DBs) if it's not explicitly asked not to by using the 'test' command (link)
  • Fix '%d' bug in script engine (link)

[0.6.0.0-beta] - 2023-09-25

New release of the HyperDbg Debugger.

Added

  • event_inject(InterruptionType, Vector) function in script engine (link)
  • event_inject_error_code(InterruptionType, Vector, ErrorCode) function in script engine (link)
  • .dump - command is added to the debugger to dump the virtual memory into a file (link)
  • !dump - command is added to the debugger to dump the physical memory into a file (link)
  • gu - command is added to the debugger to step-out or go up instructions thanks to @xmaple555 (link)

Changed

  • HyperDbg now switched to a multiple EPTP memory model, and each core has its own EPT table (link)
  • Building mtrr map by adding smrr, fixed ranges, and default memory type is fixed (#255) thanks to @Air14
  • The problem of removing multiple EPT hooks on a single address is fixed
  • The problem of not intercepting the step-over command 'p' when executed in different cores is fixed
  • HyperDbg now checks for the validity of physical addresses based on CPUID.80000008H:EAX[7:0]'s physical address width

[0.5.0.0] - 2023-08-07

New release of the HyperDbg Debugger.

Added

  • The event calling stage mechanism (link)
  • New pseudo-registers ($stage) in the script engine (link)

Changed

  • The disassembler now warns if you mistakenly used the 'u' command over a 32-bit program (link)
  • The debuggee won't load the VMM module if the debugger is not listening
  • The debugger and the debuggee now perform a version/build check to prevent version mismatch
  • Fix the 'eb' command's parsing issue with '0xeb' hex bytes (link)
  • Fix the connection problem with serial (checksum error) over two VMs
  • Fix the 't' command's indicator of trap flags and simultaneous stepping of multiple threads (link)
  • Fix the problem with the '.kill' and '.restart' commands
  • Show the stage of the event once the debugger is paused
  • Fix sending context, tag, and registers once '!epthook2' wants to halt the debugger

[0.4.0.0] - 2023-07-18

New release of the HyperDbg Debugger.

Added

  • The !monitor command now supports 'execution' interception (link)
  • .pagein - command is added to the debugger to bring pages in (link)

Changed

  • The '.start' command's mechanism for finding the entrypoint is changed to address issues (link)
  • The buffer overlap error in hyperlog in multi-core systems is fixed (link)
  • The implementation of 'dd' (define dword, 32-bit), and 'dw' (define word, 16-bit) is changed (link)
  • The problem with unloading driver (#238) is fixed (link)
  • The symbol files for 32-bit modules are now loaded based on SysWOW64, and the issue (#243) is fixed (link)
  • New alias names for u, !u as u64, !u64 and for u2, !u2 as u32, !u32 (link)(link)

[0.3.0.0] - 2023-06-08

New release of the HyperDbg Debugger.

Added

  • The event short-circuiting mechanism (link)
  • New pseudo-registers ($tag, $id) in the script engine (link)
  • The breakpoint interception manipulation (#BP) option is added to the 'test' command (link)
  • The '!track' command to create the tracking records of function CALLs and RETs along with registers (link)
  • disassemble_len(Address) function in script engine (link)
  • disassemble_len32(Address) function in script engine (link)
  • event_sc(DisableOrEnable) function in script engine (link)

Changed

  • The old Length Disassembler Engine is replaced by Zydis (link)

[0.2.2.0] - 2023-06-02

The patch for fixing bugs of HyperDbg Debugger.

Changed

  • The problem with the callstack command (k) is fixed (link)

[0.2.1.0] - 2023-05-24

The patch for fixing bugs of the second (2nd) release of HyperDbg Debugger.

Changed

  • Fixing bugs!
  • The parameters of the '!cpuid' extension command is changed, and a new EAX index parameter is added (link)
  • The problem with removing EPT hooks (!monitor and !epthook) is fixed (link)

[0.2.0.0] - 2023-05-03

The second (2nd) release of the HyperDbg Debugger.

Added

  • HyperDbg Software Development Kit (SDK) is now available
  • flush() function in script engine (link)
  • memcpy() function in script engine (link)

Changed

  • Global code refactoring and fixing bugs!
  • Compiling HyperDbg by using the latest Windows 11 WDK
  • enable_event function name changed to event_enable (link)
  • disable_event function name changed to event_disable (link)
  • The "settings" command now preserves the configurations in the config file
  • The communication buffer is now separated from the hyperlogger buffer chunks and the buffer size is increased X10 times (link)
  • Zydis submodule is updated to version 4 (link)

Removed

  • enable_event script engine function
  • disable_event script engine function

[0.1.0.0] - 2022-05-31

This is the first (1st) release of HyperDbg Debugger.

Added

  • # (comment in batch scripts)
  • ? (evaluate and execute expressions and scripts in debuggee)
  • ~ (display and change the current operating core)
  • load (load the kernel modules)
  • unload (unload the kernel modules)
  • status (show the debuggee status)
  • events (show and modify active/disabled events)
  • p (step-over)
  • t (step-in)
  • i (instrumentation step-in)
  • r (read or modify registers)
  • bp (set breakpoint)
  • bl (list breakpoints)
  • be (enable breakpoints)
  • bd (disable breakpoints)
  • bc (clear and remove breakpoints)
  • g (continue debuggee or processing kernel packets)
  • x (examine symbols and find functions and variables address)
  • db, dc, dd, dq (read virtual memory)
  • eb, ed, eq (edit virtual memory)
  • sb, sd, sq (search virtual memory)
  • u, u2 (disassemble virtual address)
  • k, kd, kq (display stack backtrace)
  • dt (display and map virtual memory to structures)
  • struct (make structures, enums, data types from symbols)
  • sleep (wait for specific time in the .script command)
  • pause (break to the debugger and pause processing kernel packets)
  • print (evaluate and print expression in debuggee)
  • lm (view loaded modules)
  • cpu (check cpu supported technologies)
  • rdmsr (read model-specific register)
  • wrmsr (write model-specific register)
  • flush (remove pending kernel buffers and messages)
  • prealloc (reserve pre-allocated pools)
  • output (create output source for event forwarding)
  • test (test functionalities)
  • settings (configures different options and preferences)
  • exit (exit from the debugger)
  • .help (show the help of commands)
  • .debug (prepare and connect to debugger)
  • .connect (connect to a session)
  • .disconnect (disconnect from a session)
  • .listen (listen on a port and wait for the debugger to connect)
  • .status (show the debugger status)
  • .start (start a new process)
  • .restart (restart the process)
  • .attach (attach to a process)
  • .detach (detach from the process)
  • .switch (show the list and switch between active debugging processes)
  • .kill (terminate the process)
  • .process, .process2 (show the current process and switch to another process)
  • .thread, .thread2 (show the current thread and switch to another thread)
  • .formats (show number formats)
  • .script (run batch script commands)
  • .sympath (set the symbol server)
  • .sym (load pdb symbols)
  • .pe (parse PE file)
  • .logopen (open log file)
  • .logclose (close log file)
  • .cls (clear the screen)
  • !pte (display page-level address and entries)
  • !db, !dc, !dd, !dq (read physical memory)
  • !eb, !ed, !eq (edit physical memory)
  • !sb, !sd, !sq (search physical memory)
  • !u, !u2 (disassemble physical address)
  • !dt (display and map physical memory to structures)
  • !epthook (hidden hook with EPT - stealth breakpoints)
  • !epthook2 (hidden hook with EPT - detours)
  • !monitor (monitor read/write to a page)
  • !syscall, !syscall2 (hook system-calls)
  • !sysret, !sysret2 (hook SYSRET instruction execution)
  • !cpuid (hook CPUID instruction execution)
  • !msrread (hook RDMSR instruction execution)
  • !msrwrite (hook WRMSR instruction execution)
  • !tsc (hook RDTSC/RDTSCP instruction execution)
  • !pmc (hook RDPMC instruction execution)
  • !vmcall (hook hypercalls)
  • !exception (hook first 32 entries of IDT)
  • !interrupt (hook external device interrupts)
  • !dr (hook access to debug registers)
  • !ioin (hook IN instruction execution)
  • !ioout (hook OUT instruction execution)
  • !hide (enable transparent-mode)
  • !unhide (disable transparent-mode)
  • !measure (measuring and providing details for transparent-mode)
  • !va2pa (convert a virtual address to physical address)
  • !pa2va (convert physical address to virtual address)