ProtOSINT is a Python script that helps you investigate ProtonMail accounts and ProtonVPN IP addresses.
Description
This tool can help you in your OSINT investigation on Proton service (for educational purposes only).
ProtOSINT is separated in 3 sub-modules:
Prerequisite
Usage
python3 protosint.py
Protonmail
The account name in the protonmail is case-insensitive and ProtonMail considers the “.” “_” “-” symbols as transparent.
Additionnaly, any words put after a “+” sign are not taken into account.
It means that all of these email adresses below are the same as mikemike@protonmail.com:
All of these emails have the save timestamp and refers to the account mikemike@protonmail.com.
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 allow you to know which encryption key is used for a protonmail account:
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