“FireEye said APT32 targeted a small group of people with emails that included tracking links to notify the hackers when they were opened.”

Email tracking pixels - FTW! https://twitter.com/jc_stubbs/status/1252903231061180417

If you aren’t familiar with how email tracking pixels work - check out this thread

https://twitter.com/cglyer/status/1222255759687372801?s=21 https://twitter.com/cglyer/status/1222255759687372801