Yalishanda.pdf

How Two Leaks Unmasked the

Criminal Network of Yalishanda

aka Media Land, and BlackBasta

by Anastasia Sentsova

The interesting thing about cybercrime is that, sooner or later, the names behind those who commit it are going to come out. Often, unraveling starts from the inside, with actors turning on each other, or someone close enough to do real harm.

In February 2025, an unknown individual under the moniker emerged on Telegram and

leaked BlackBasta’s internal chats from the Matrix messenger. The dump came in the form of a JSON file containing roughly 200,000 messages spanning from September 18, 2023, to September 28, 2024. The leak also revealed several names, including (aka Slim Shady).

Amidst the flood of accusations, chat dumps, and exp…