ProtOSINT is a Python script that helps you investigate ProtonMail accounts and ProtonVPN IP addresses.
Questions? Problems? Visit main page: https://github.com/pixelbubble/ProtOSINT
This tool can help you in your OSINT investigation on Proton service (for educational purposes only).
ProtOSINT is separated into 3 sub-modules:
For several days, we observe an update in ProtonMail's API:
Then, using ProtOSINT, get additional information (the public key attached to the email, the date the PGP key was created and the encryption used).
The account name in the protonmail is case-insensitive and ProtonMail considers the "." "_" "-" symbols as transparent. Additionally, any words put after a "+" sign are not taken into account. It means that all of these email addresses below are the same as [email protected]:
All of these emails have the save timestamp and refers to the account [email protected].
This technique does not always give you the creation time and date of the ProtonMail account itself, but the time and date when the email address itself was created (thanks to @sector035 for the tip: https://sector035.nl/articles/2020-50).
ProtOSINT allows you to know which encryption key is used for a protonmail account:
Feel free to clone this project. For major changes, please open an issue first to discuss what you would like to change.