YGG compares the infohash of your fake traffic with the real swarm. If you report uploading a 4 GB file three seconds after the torrent was uploaded, you’re banned.

// Read data from the stream byte[] buffer = new byte[1024]; int bytesRead = _stream.Read(buffer, 0, buffer.Length);

(often abbreviated as "RM") is a Windows-based application originally created by the user "Master-in-da-house" on the SB-Innovation forum. It is a torrent client emulator. It does not download real data. Instead, it connects to a tracker (like YGGTorrent) and pretends to download and upload data at rates you specify.