pyWhat - Identify Anything. Easily Lets You Identify Emails, IP Addresses, And More...

The easiest way to identify anything
pip3 install pywhat && pywhat --help

What is this?

Imagine this: You come across some mysterious text

5f4dcc3b5aa765d61d8327deb882cf99 and you wonder what it is. What do you do?

Well, with what all you have to do is ask what "5f4dcc3b5aa765d61d8327deb882cf99" and what will tell you!

what's job is to identify what something is. Whether it be a file or text! Or even the hex of a file! What about text within files? We have that too! what is recursive, it will identify everything in text and more!

Use Cases


You come across a new piece of malware called WantToCry. You think back to Wannacry and remember it was stopped because a researcher found a kill-switch in the code.

When a domain, hardcoded into Wannacry, was registered the virus would stop.

You use What to identify all the domains in the malware, and use a domain registrar API to register all the domains. If Wannacry happens again, you can stop it in minutes - not weeks.

Faster Analysis of Pcap files

Say you have a .pcap file from a network attack. What can identify this and quickly find you:

  • All hashes
  • Credit card numbers
  • Cryptocurrency addresses
  • Social Security Numbers
  • and much more.

With what, you can identify the important things in the pcap in seconds, not minutes.


Anytime you have a file and you want to find structured data in it that's useful, What is for you.

Or if you come across some piece of text and you don't know what it is, What will tell you.

File Opening You can pass in a file path by what "this/is/a/file/path". What is smart enough to figure out it's a file!


what not only thrives on contributors, but can't exist without them! If you want to add a new regex to check for things, you can read our documentation here

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