Let's use the example data 8,54351-1616479009,0 from a beacon sent from the payload to the C2, which it will encode using base64 to OCw1NDM1MS0xNjE2NDc5MDA5LDA=, append the @ symbol and embed within a BMP image. The 8-bits of this base2 representation are then used to set specific bits within the 3-bytes for each pixel