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Analysis of RedSun: Local Privilege Escalation via Defender Remediation Abuse
By Cristian Rubio on Fri, 04/17/2026
Fortra Intelligence and Research Experts (FIRE) have conducted a detailed analysis of RedSun, the latest proof-of-concept by "Chaotic Eclipse", the same researcher responsible for disclosing BlueHammer. Published in April 2026, RedSun is related to BlueHammer both in origin and technique, abusing Microsoft Defender logic and filesystem timing/path confusion to achieve privilege escalation...