Penglab – Abuse Of Google Colab For Cracking Hashes
Abuse of Google Colab for fun and profit.
What is it ?
Penglab is a ready-to-install setup on Google Colab for cracking hashes with an incredible power, really useful for CTFs. (See benchmarks below.)
It installs by default :
- Hashcat
- John
- Hydra
- SSH (with ngrok)
And now, it can also :
- Launch an integrated shell
- Download the wordlists Rockyou and HashesOrg2019 quickly !
You only need a Google Account to use Google Colab, and to use ngrok for SSH (optional).
How to use it ?
- Go on : https://colab.research.google.com/github/mxrch/penglab/blob/master/penglab.ipynb
- Select “Runtime“, “Change runtime type“, and set “Hardware accelerator” to GPU.
- Change the config by setting “True” at tools you want to install.
- Select “Runtime” and “Run all” !
What is Google Colab ?
Google Colab is a free cloud service, based on Jupyter Notebooks for machine-learning education and research. It provides a runtime fully configured for deep learning and free-of-charge access to a robust GPU.
Benchmarks
Hashcat Benchmark :
====================
* Device #1: Tesla P100-PCIE-16GB, 16017/16280 MB, 56MCU
OpenCL API (OpenCL 1.2 CUDA 10.1.152) - Platform #1 [NVIDIA Corporation]
========================================================================
* Device #2: Tesla P100-PCIE-16GB, skipped
Benchmark relevant options:
===========================
* --optimized-kernel-enable
Minimum password length supported by kernel: 0
Maximum password length supported by kernel: 55
Hashmode: 0 - MD5
Speed.#1.........: 27008.0 MH/s (69.17ms) @ Accel:64 Loops:512 Thr:1024 Vec:8
Minimum password length supported by kernel: 0
Maximum password length supported by kernel: 55
Hashmode: 100 - SHA1
Speed.#1.........: 9590.3 MH/s (48.61ms) @ Accel:8 Loops:1024 Thr:1024 Vec:1
Minimum password length supported by kernel: 0
Maximum password length supported by kernel: 55Speedtest :
Testing from Google Cloud (35.203.136.151)... Retrieving speedtest.net server list... Selecting best server based on ping... Hosted by KamaTera INC (Santa Clara, CA) [11.95 km]: 28.346 ms Testing download speed................................................................................ Download: 2196.68 Mbit/s Testing upload speed...................................................................................................... Upload: 3.87 Mbit/s Download Penglab
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