Wednesday, October 27, 2021

UnhookMe – An Universal Windows API Resolver And Unhooker Addressing Problem Of Invoking Unmonitored System Calls From Within Of Your Red Teams Malware

In the era of intrusive AVs and EDRs that introduce hot-patches to the running processes for their enhanced optics requirements, modern adversaries must have a robust tool to slide through these watchguards. The propsed implementation of dynamic imports resolver that would be capable of unhooking used functions in-the-fly is yet another step towards strengthening adversary resilience efforts.

The solution I’m proposing here is to switch from using linker-resolved WinAPI imports, staying vis…

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