Tag linux

Fysbis backdoor analysis

Reportedly the Fysbis backdoor has been used by the Sofacy(APT28) group in targetted attacks against defense organizations and East European governments. The malware has both 32 and 64-bit versions, but in this article we will show snippets from the latter one.…

Change swappiness in Ubuntu

Linux uses a swap partition, that represents the system’s virtual memory. The swappiness represents how often the system will copy stuff from RAM to disk/virtual memory. The more RAM you have, the less you need to copy to disk and…