A Columbian hacker claims he helped Enrique Pea Nieto in winning Mexican presidential election in 2012. The hacker named Andrs Seplveda revealed to have operated in a team with peers to install a malware to monitor opponents during the 2012 campaign as part of a hacking campaign codenamed black propaganda The hackers have installed malware with the intent to spy on target machines and steal data, they also used a botnet to manage PSYOPs on the social media trying to influence the final decision of the voters.”]
Source: https://securityaffairs.co/wordpress/45865/hacking/hackers-helped-pena-nieto-president.html