Compromise 3rd party infrastructure to support delivery
Instead of buying, leasing, or renting infrastructure an adversary may compromise infrastructure and use it for some or all of the attack cycle.  
Similar Techniques by Tactic
|Adversary Opsec||Compromise 3rd party infrastructure to support delivery|
APT1 hijacked FQDNs associated with legitimate websites hosted by hop points. Mandiant considers them to be "hijacked" since they were originally registered for a legitimate reason but were used by APT1 for malicious purposes.
Detectable by Common Defenses (Yes/No/Partial): No
Explanation: Defender will not have visibility on 3rd party sites unless target is successfully enticed to visit one.
Difficulty for the Adversary
Easy for the Adversary (Yes/No): Yes
Explanation: Commonly used technique currently (e.g., [https://www.wordpress.com WordPress] sites) as precursor activity to launching attack against intended target (e.g., acquiring botnet or layers of proxies for reducing attribution possibilities).
- Pierluigi Paganini. (2014, February 15). FireEye discovered a new watering hole attack based on 0-day exploit. Retrieved March 1, 2017.
- Darien Kindlund, Xiaobo Chen, Mike Scott, Ned Moran, Dan Caselden. (2014, February 13). Operation SnowMan: DeputyDog Actor Compromises US Veterans of Foreign Wars Website. Retrieved March 28, 2017.