Rust in-memory dumper

Related tags

Command-line combine_harvester
Overview

combine

Check your windows local security authority credential's safety with this awesome tool.

Coupled dump decoder @ https://github.com/ruggi99/combine-decoder

Introduction

By readapting the safetydump rust library (many thanks to the author!!!), I have been able to EASILY bypass all the countermeasures put in place by most EDRs, except Kaspersky EDR, and TrendMicro (new detection, from a couple hours ago)

dbghelp!MiniDumpWriteDump with a custom callback could be used, until a year ago, to bypass most antivirus/EDR solutions.

Now, most of them EASILY recognize statically or behaviorally the system API usage pattern, for programs written in languages such as C++, Delphi and C#. (it could be possible anyway thanks to undocumented NtOpenProcessEx but that's another story)

If you have a Go implementation, please give me feedback. I'm on it but still have some bugs related to memory size

I suspect that there is still no way to monitor the MiniDumpWriteDump callback, and all the protection against a possible credential dump via this technique is then entrusted to machine learning detections.

Usage

GUI

image

CMD

image

DECRYPT

image

References

Done thanks to

Many code snippets are from

Disclaimer

I am not responsible for any improper usage of this tool. This is meant for research and security testing purpose.

Notes

The only effective mitigations (that I know of) against this sub-technique are RunAsPPL and CredentialGuard, but it's not always possible to enable these options.

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Comments
  • Missing LICENSE

    Missing LICENSE

    I see you have no LICENSE for this project. The default is copyright.

    I would suggest releasing the code under the AGPL-3.0-or-later or GPL-3.0-or-later license so that others are encouraged to contribute changes back to your project.

    opened by TechnologyClassroom 0
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