Update to Get-RBCD-Threaded: Including WriteDacl and WriteProp

In my previous post on resource-based constrained delegation (RBCD), I created a tool called Get-RBCD-Threaded to enumerate AD environments for possible RBCD attack paths. Get-RBCD-Threaded worked by finding AD users, groups, and computer objects that had either GenericAll, GenericWrite, or WriteOwner privileges on another computer object. These permissions would allows you to modify the ms-DS-Allowed-To-Act-On-Behalf-Of-Other-Identity…

Unprivileged User Persistence with Zoom

*** UPDATE: It looks like the most recent version of Zoom has fixed the issue of loading an unsigned DllSafeCheck.dll. This persistence technique no longer works. Thank you to @LadhaAleem for bringing this to my attention. See the Patching Zoom.exe section for details on how this can be bypassed. Zoom has been in security news…

DLL Side-loading and Zero-width Spaces

My previous post discussed using appverif.exe and DLL side-loading to execute a payload on a system. The advantage of using a legitimate Microsoft signed binary such as appverif.exe to load and execute your DLL was to bypass anti-virus and application whitelisting. One drawback to this technique is that you are executing appverif.exe outside of its…