Penglab : Abuse Of Google Colab For Cracking Hashes

Penglab is a ready-to-install setup on Google Colab for cracking hashes with an incredible power, really useful for CTFs. 

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.

How To Use It ?

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: 55

Speedtest

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

R K

Recent Posts

Bash Scripting Best Practices Every Beginner Should Know

Introduction Bash scripting is a powerful way to automate Linux tasks, but writing a script…

19 hours ago

How To Create A Self-Signed SSL Certificate Using Bash And OpenSSL

Introduction A self-signed SSL certificate is a certificate that is created and signed by the…

20 hours ago

How To Debug Bash Scripts Using bash -x And set Commands

Introduction Debugging is an important part of Bash scripting. When a script does not work…

1 day ago

How To Use Cron Jobs With Bash Scripts For Automation

Introduction Cron jobs are used in Linux to run commands or Bash scripts automatically at…

1 day ago

How To Use Pipes In Bash Scripts For Command Chaining

Introduction Pipes are an important feature in Linux and Bash scripting. A pipe allows you…

1 day ago

How To Use grep, awk, And sed In Bash Scripts

Introduction The grep, awk, and sed commands are powerful text-processing tools in Linux. They are…

1 day ago