PDFSIDER Backdoor Evades Antivirus and EDR
Threat actors are increasingly deploying a stealthy new tool, as the PDFSIDER backdoor evades antivirus and EDR systems by blending with trustworthy software and encrypting its communication. Security researchers at Resecurity discovered the malware during an attempted breach of a Fortune 100 enterprise, where attackers failed to cause data loss. PDFSIDER leverages a spear-phishing campaign […]
