Head Mare Exploits TrueConf Flaws to Replace Installers with PhantomCore

Tue, 11 Aug 2026 11:54:43 +0000

Engineer — Skip
SOC/IR — Learn: Head Mare’s technique of weaponizing a compromised server to replace client installers with PhantomCore malware is a supply-chain-adjacent TTP worth tracking, but targeting is confined to Russian firms and no IOCs or detection guidance are available from this summary.
Leader — Skip

Head-Mare on CuraSec