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DFIR ORC

v10.3.0 Breaking

This release includes 1 breaking change for platform teams planning a safe upgrade.

✓ No known CVEs patched
Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Topics

collection dfir incident-response

Affected surfaces

auth deps

Summary

AI summary

Updates WolfLauncher, ToolEmbed, and experimental across a mixed release.

Full changelog

Added

  • OrcCapsule: minimal binary loader that forward execution to proper DFIR-ORC embedded binary
    • Prepare for the future freeze of DFIR-ORC for Windows XP/2003 to Seven/2008R1
    • Packages DFIR-ORC binaries and selects the most capable one for the host environment: x64, x86, x64-xp, x86-xp, arm64 (experimental)
    • Check ACLs on DFIR-ORC related files (output files, embedded tools)
    • Minimal runtime dependencies
  • WolfLauncher: Add '/MultipleInstance' execution option
  • WolfLauncher: Allow as default multiple running instances of OrcOffline
  • GetThis: add option 'SampleNameFormat' to select other naming scheme for collected sample names
  • Outcome: add 'timezoneinfo'

Changed

  • Improve performance by 20% relative to our hardware and configuration
  • DFIR-ORC's output files and directories ACLs are not inherited anymore and are now restricted to current user and administrators
  • README: update and new instructions for offline builds
  • Build toolchain use CMake presets and vcpkg manifest (see README)
  • Build-Orc.ps1 script that manages compilation and setup of OrcCapsule
  • Replace Azure CI by Github's
  • Add ARM64 target (experimental)
  • ToolEmbed: New '/embed' option more flexible than '/fromdump' and '/config' with paths
  • ToolEmbed: Deprecate 'input', 'run32' and 'run64' option for DFIR-ORC binaries
  • ToolEmbed: add option '/force' to allow overwriting output binary
  • NTFSInfo: i30info: improve $i30 carving
  • Improve CSV generation by being more tolerant following an unexpected error while generating a column
  • Removed last parts of legacy PE parser
  • Dependencies
    • Removed CLI11
    • Yara v4.5.5 with LibreSSL 4.2.1
    • 7zip 25.1
    • Zstd 1.5.7
    • rapidjson 2025-02-26
    • Fmt 12.1.0
    • ms-gsl 2.8
    • spdlog 1.17.0

Fixed

  • NTFSInfo: i30info: fix parsing sometimes incorrectly carving valid data
  • NTFS: multiple fixes on NTFS compressed stream parsing
  • WolfLauncher: add missing cli option CommandTimeout
  • WolfLauncher: add missing cli option ArchiveTimeout

Breaking Changes

  • Deprecate 'input', 'run32' and 'run64' options in ToolEmbed

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About DFIR ORC

DFIR ORC is a collection of specialized tools dedicated to reliably parse and collect critical artifacts such as the MFT, registry hives or event logs. DFIR ORC collects data, but does not analyze it: it is not meant to triage machines. It provides a forensically relevant snapshot of machines running Microsoft Windows. The code can be found on GitHub.

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Beta — feedback welcome: [email protected]