Security researcher claims macOS Mojave privacy bug on launch day

A security researcher has claimed a new vulnerability in the latest version of macOS — just hours before the software is due to be released. Patrick Wardle, chief researcher officer at Digita Security, tweeted a video Monday of an apparent privacy feature bypass that’s designed to prevent apps from improperly accessing a user’s personal data. […]

Source: Security researcher claims macOS Mojave privacy bug on launch day

Using C# for post-PowerShell attacks

C# has received some recent attention in the security community, and the Microsoft.Workflow.Compiler.exe security issue recently identified by Matt Graber at SpecterOps prompted us to take a closer look at the potential for using this technique in real-world attacks. Firstly, we will look at how PowerShell fits into the ‘fileless’ attack ecosystem and talk about why attackers may find C# more attractive than PowerShell. Finally, we will look at why the newly found issue in Microsoft.Workflow.Compiler.exe may be useful but – in its current form – cannot be considered a truly ‘fileless’ technique.

Source: Using C# for post-PowerShell attacks