Genians Security Center has published an in-depth analysis of Operation Poseidon, a sophisticated APT campaign attributed to the Konni threat group that exploits legitimate advertising infrastructure to distribute EndRAT malware. This advanced spear-phishing operation demonstrates how threat actors leverage trusted platforms to circumvent traditional security defenses while targeting South Korean financial institutions and human rights […]

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Security researchers have identified a sophisticated backdoor malware variant, PDFSIDER, that leverages DLL side-loading to evade endpoint detection and response (EDR) systems. The threat demonstrates advanced persistent threat (APT) tradecraft, combining evasion mechanisms with encrypted command-and-control capabilities to maintain covert access on compromised systems. PDFSIDER’s infection chain originates through spear-phishing campaigns delivering ZIP archives containing […]

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