Revisiting the UDRL Part 3: Beacon User Data

The UDRL and the Sleepmask are key components of Cobalt Strike’s evasion strategy, yet historically they have not worked well together. For example, prior to CS 4.10, Beacon statically calculated its location in memory using a combination of its base address and its section table. This calculation was then modified depending on the contents of … Continue reading Revisiting the UDRL Part 3: Beacon User Data […]