Elastic Security Labs has uncovered new methods used by the harmful Guloader malware that make it more difficult to analyze and detect. Guloader, which was first discovered towards the end of 2019, has largely remained unchanged in terms of its main functionality. However, the constant updates to its compulsion methods have made its analysis costly and resource-intensive.
Guloader, also known as Cloudeye, is an advanced bootloader for malicious code that is based on shell-code. It can be used as a payload for exploits, providing hackers with access to the command membrane of a computer system.