Black Hat 2022: The Intel PPAM attack story
The increasingly large number of firmware vulnerabilities gives attackers a lot of options for persistence and the means to bypass traditional endpoint solutions. At least two recently discovered firmware implants -- MoonBounce and CosmicStrand -- have persisted for more than seven years by using basic firmware bootkit techniques. In general, the UEFI system firmware grows in complexity every year and constantly introduces new attack surfaces.