Injecting into Linux processes is nothing new, but it's a great way to get malicious code running without an additional process.Libpcap is also nothing new, but it's a great way to have malware wait for something interesting.Systemd is somewhat new, but it's a great place to inject malware using libpcap.Or so I thought.This talk follows the speaker's journey trying to inject a libpcap-based tool into systemd.Along the way we'll see how to get a running process to load a library, hook functions the easy way, and dodge selinux.