In February 2014, an article published on a popular Russian IT website described a Trojan with sufficiently versatile DDoS functionality. The article also provided a link for downloading all of the Trojans files (taken directly from an infected machine) The Trojan uses cron to perform the following tasks: terminate the processes of all applications that can interfere with its operation. Every minute purge system logs and bash command history and execute chmod 7777 [module_name] Most likely, the file was downloaded to the victim machine by a cybercriminal after gaining remote access to the system.”]
Source: https://securelist.com/versatile-ddos-trojan-for-linux/64361/