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Chinese-speaking threat actors used a compromised SonicWall VPN appliance to deliver a VMware ESXi exploit toolkit that seems to have been developed more than a year before the targeted vulnerabilities became publicly known. [...]
Chinese threat actors use a custom post-exploitation toolkit named 'DeepData' to exploit a zero-day vulnerability in Fortinet's FortiClient Windows VPN client that steal credentials. [...]
UNC5325 Can Remain in Hacked Devices Despite Factory Reset and PatchesChinese threat actors are continuing to persist after exploiting the recent Ivanti Connect Secure VPN vulnerability even after factory resets, system upgrades and patches. The threat actor, UNC5325, is adept at "living off the land" techniques, warned threat intelligence firm Mandiant.