Researchers at cybersecurity vendor Proofpoint have analyzed a new remote access Trojan (RAT) malware campaign using sophisticated evasion techniques and leveraging COVID-19 themed messaging to target global organizations. The malware, dubbed “Nerbian RAT” and written in the Go programming language, uses significant anti-analysis and anti-reversing capabilities and open-source Go libraries to conduct malicious activities, the researchers stated.
The campaign was first analyzed by Proofpoint in late April and disproportionately impacts entities in Italy, Spain and the UK. In a statement, Proofpoint Vice President Threat Research and Detection Sherrod DeGrippo said the research demonstrates how malware authors continue to operate at the intersection of open-source capability and criminal opportunity.
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