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@Yamato-Security

Yamato Security 大和セキュリティ

Hi there まいど! 👋

About Yamato Security

Yamato Security is a security group created by Zach Mathis (@yamatosecurity) in 2012. At first, the main purpose was to provide security training to build a local security community in Western Japan but has grown to provide training, CTF events, webinars, etc... across the country for thousands of people.

Now, with a group of volunteer members, we are providing free open source DFIR tools such as Hayabusa, WELA, Takajo, Suzaku, etc...

Please contact us if you want to help out and contribute.

Main Projects

  • Hayabusa - (隼) A sigma-based threat hunting and fast forensics timeline generator for Windows event logs.
  • Takajo - (鷹匠) An analyzer for Hayabusa results.
  • Suzaku - (朱雀) A sigma-based threat hunting and fast forensics timeline generator for cloud logs.
  • WELA - ゑ羅(ウェラ)(Windows Event Log Auditor): An auditing and configuration tool for Windows event logs.
  • Yamato Security's Windows Event Log Configuration Guide For DFIR And Threat Hunting - Documentation for how to configure proper Windows audit log settings and which categories and Event IDs are important to monitor.
  • Presentations - Presentations in English and Japanese.

Popular repositories Loading

  1. hayabusa hayabusa Public

    Hayabusa (隼) is a sigma-based threat hunting and fast forensics timeline generator for Windows event logs.

    Rust 2.8k 242

  2. WELA-deprecated WELA-deprecated Public

    WELA (Windows Event Log Analyzer): The Swiss Army knife for Windows Event Logs! ゑ羅(ウェラ)

    PowerShell 783 82

  3. EnableWindowsLogSettings EnableWindowsLogSettings Public

    Documentation and scripts to properly enable Windows event logs.

    Batchfile 628 57

  4. hayabusa-rules hayabusa-rules Public

    Curated Windows event log Sigma rules used in Hayabusa and Velociraptor.

    Python 199 26

  5. suzaku suzaku Public

    Suzaku (朱雀) is a sigma-based threat hunting and fast forensics timeline generator for cloud logs.

    Rust 147 8

  6. takajo takajo Public

    Takajō (鷹匠) is a Hayabusa results analyzer.

    Nim 139 9

Repositories

Showing 10 of 19 repositories
  • hayabusa-encoded-rules Public

    Encoded Hayabusa and Sigma rules to avoid anti-virus false positives and reduce files stored on target systems.

    Yamato-Security/hayabusa-encoded-rules’s past year of commit activity
    Rust 10 0 0 0 Updated Sep 9, 2025
  • EventLog-Baseline-Guide Public

    Windows Event Log Audit Configuration Baselines and Guidelines. Automated monitoring of audit policy settings across different security frameworks.

    Yamato-Security/EventLog-Baseline-Guide’s past year of commit activity
    Batchfile 6 MIT 2 0 0 Updated Sep 9, 2025
  • suzaku Public

    Suzaku (朱雀) is a sigma-based threat hunting and fast forensics timeline generator for cloud logs.

    Yamato-Security/suzaku’s past year of commit activity
    Rust 147 AGPL-3.0 8 5 1 Updated Sep 7, 2025
  • suzaku-rules Public
    Yamato-Security/suzaku-rules’s past year of commit activity
    11 2 0 2 Updated Sep 7, 2025
  • hayabusa Public

    Hayabusa (隼) is a sigma-based threat hunting and fast forensics timeline generator for Windows event logs.

    Yamato-Security/hayabusa’s past year of commit activity
    Rust 2,813 AGPL-3.0 242 37 0 Updated Sep 5, 2025
  • takajo Public

    Takajō (鷹匠) is a Hayabusa results analyzer.

    Yamato-Security/takajo’s past year of commit activity
    Nim 139 AGPL-3.0 9 15 0 Updated Sep 5, 2025
  • WELA Public

    Windows Event Log Auditor

    Yamato-Security/WELA’s past year of commit activity
    PowerShell 39 MIT 2 7 0 Updated Sep 1, 2025
  • hayabusa-rules Public

    Curated Windows event log Sigma rules used in Hayabusa and Velociraptor.

    Yamato-Security/hayabusa-rules’s past year of commit activity
    Python 199 26 3 0 Updated Aug 28, 2025
  • sigma-to-hayabusa-converter Public

    Documentation and tools to curate Sigma rules for Windows event logs into easier to parse rules.

    Yamato-Security/sigma-to-hayabusa-converter’s past year of commit activity
    Python 13 GPL-3.0 0 4 0 Updated Aug 17, 2025
  • hayabusa-evtx Public

    A fork of the evtx Rust crate for Hayabusa

    Yamato-Security/hayabusa-evtx’s past year of commit activity
    Rust 9 Apache-2.0 2 4 0 Updated Aug 16, 2025

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