WSL2 /mnt/c/ Payload Staging via DllHost.exe File Write
Detects instances where DllHost.exe creates or writes executable, script, or library files into common user-writable directories (e.g., C:\Users\*, C:\ProgramData\*, C:\Temp\*). This behavior is often associated with file staging or the delivery of malicious payloads. The rule also checks if the DllHost.exe process was spawned by WSL (Windows Subsystem for Linux) related processes, which can be indicative of cross-environment execution or evasion techniques.
Splunk (SPL)
