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A remote command execution and pivoting framework

Project description

Pivotr - A remote command execution framework

The aim of pivotr initially is to simplify the task of maintaining ssh connections throughout a network environment. These connections, which we refer to as 'nodes', are stored in an encrypted file as a list of objects. Each object currently only contains very basic data regarding each node, including a basic node ID (and consequently, the id of the node in the list), the node's IP address, and the option to append a username and password to the node if SSH credentials are known.

Stage 1 - Nodes:

  • Implement basic node manipulation, including the ability to add, delete, modify, view nodes
  • Implement basic node data persistance (in this case, pickling)
  • Successfully send single SSH commands or make SSH connections to nodes with credentials
  • Implement pivot functionality to where connections that require jumps between nodes are seamless
  • Encrypt all stored data given the need for stored credentials to nodes
  • Add 'mapping' functionality to display a basic map of connected nodes via CLI (aesthetically differentiates between nodes with credentials and nodes without)
  • Add uploading/downloading to/from nodes via SCP
  • Implement a 'snapshot' feature to allow us to save encrypted node data to be utilized later if necessary
  • Introduce ping-sweep feature that scans for hosts on a node's subnet and adds all new discoveries as nodes without credentials
  • Work on input validation and clean up code

Stage 2 - Agents:

  • Implement a master server process to listen for incoming 'reverse' connections
  • Add to node object variables in order to account for much larger data sets provided by agents (see next bullet point)
  • Design 'agent' executables that, when run, connect back to our pivotr server. These agents will be the hallmark of any non-ssh functionality and will include features such as:
    • The ability to harvest data from their respective hosts and transmit the data back to our pivotr server for safekeeping
    • Remain persistent and callback to the pivotr server after a connection is lost
    • Utilize IDS/IPS avoidance and obfuscation to maintain persistence
    • Transmit data via encrypted channels
    • Cross-platform, non-OS-specific implementation
    • Integration into current node object schema and mapping functionality

Stage 3 - Profit

  • ?

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Setup

Clone this project:

git clone https://gitlab.com/maturon/pivotr

Enter the new project file:

cd pivotr

Create a virtual environment for all dependencies and activate environment:

python -m venv .
source bin/activate

Install dependencies:

pip install -r requirements.txt

Note: may implement this as a more portable executable with pip install -U pyinstaller and pyinstaller pivotr.py

Pivotr basics

Help:

pivotr.py -h

Show map of all nodes we currently know about (hard lines are credentialed hosts, dotted lines have no credentials):

pivotr.py -m

╭─────────────────╮
│n0 - pivotr      │
│  192.168.1.150  │
╰───────────┬─────╯
                                   ├──┤n1                                192.168.1.1                                                             ├──┤n2                               192.168.1.59                                        ╭─────────────────╮
            ├──┤n3                               192.168.1.170                ╰─────────┬───────╯
                                                           ├──┤n4                                              10.0.2.3                                                                 ╭─────────────────╮
                        ├──┤n5                                              10.0.2.1                              ╰─────────┬───────╯
                                      ╭─────────────────╮
                                    ╰──┤n10                                                        172.6.12.15                                          ╰─────────────────╯
                                                           ├──┤n6                                              10.0.2.4                                                                                                  ├──┤n7                                              10.0.2.2                                                                 ╭─────────────────╮
                        ╰──┤n8                                               10.0.2.5                               ╰─────────────────╯
                                   ╰──┤n9                                   1.2.3.4                             

Since our host is node 0 (n0) by default, run a ping sweep from n0 to map our subnet (check to see if ping sweep was successfully by running pivotr.py -m afterward):

pivotr.py -n0 -S

Add known SSH credentials to node 10:

pivotr.py -n10 -e

Current node values:
    1) IP addr:   172.6.12.15
    2) UN:        jsmith
    3) PW:        
    4) Exit:

Select property to edit: 3

New password: ************

Node 10 successfully modified.

Send command uname -a to node 10 via SSH:

pivotr.py -n10 -c "uname -a"

Make SSH connection to node 10:

pivotr.py -n10 -i

jsmith@172.6.12.15$

Save our current node data set for later use in ./snapshots directory:

pivotr.py -s

Use a data set from ./snapshots (which replaces current data set at /tmp/nodes.data):

./pivotr.py -f ./snapshots/2024-01-15_114534-nodes.data

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Contact

Maturon Miner - maturon@gmail.com

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