Telepathy: An OSINT Toolkit for Investigating Telegram Chats

Overview

A comprehensive toolkit for investigating Telegram chats. Developed by Jordan Wildon.

Features

• Export all chats your account is part of to a CSV file
• Enable channel reply retrieval, archiving replies and listing users who replied to messages in the target channel
• Automatic translation into English during message retrieval
• Inferred channel memberlists offer a point of further investigation for usernames found
• Media archive directory navigation and Exiftool execution may provide useful information for further investigation

Bonus Investigations Tips

• Run Exiftool on media files to extract metadata, including creation and edit time metadata, timezone information, and author data (where available)
• Use Maigret to look up where a username has been used online, verifying findings to avoid false positives

Note on Telegram's Chat Organization

Telegram chats are organized into three key types: Channels, Megagroups/Supergroups, and Gigagroups. Each option works slightly differently depending on the chat type.

Upcoming Changes

• Time specification flag to set archiving for specific periods
• Complete memberlist gathering (currently restricted by the API)
• Ensuring inferred channel memberlists do not contain duplicate entries
• Channel event inclusion, such as name changes

Feedback

Please send feedback to @jordanwildon on Twitter. Follow Telepathy updates at @proseltd.

Usage Terms

You may use Telepathy however you like, but your use case is your responsibility. Be safe and respectful. If your use case is for commercial purposes, please consider cour enterprise options at [prose.ltd].

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