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What is Impacket?

Impacket is a collection of Python classes for working with network protocols. Impacket is focused on providing low-level programmatic access to the packets and for some protocols (for instance NMB, SMB1-3 and MS-DCERPC) the protocol implementation itself. Packets can be constructed from scratch, as well as parsed from raw data, and the object oriented API makes it simple to work with deep hierarchies of protocols. The library provides a set of tools as examples of what can be done within the context of this library.

A description of some of the tools can be found at: http://corelabs.coresecurity.com/index.php?module=Wiki&action=view&type=tool&name=Impacket

What protocols are featured?

  • Ethernet, Linux "Cooked" capture.
  • IP, TCP, UDP, ICMP, IGMP, ARP. (IPv4 and IPv6)
  • NMB and SMB1/2/3 (high-level implementations).
  • DCE/RPC versions 4 and 5, over different transports: UDP (version 4 exclusively), TCP, SMB/TCP, SMB/NetBIOS and HTTP.
  • Portions of the following DCE/RPC interfaces: Conv, DCOM (WMI, OAUTH), EPM, SAMR, SCMR, RRP, SRVSC, LSAD, LSAT, WKST, NRPC.

Getting Impacket

Setup

Quick start

Grab the latest stable release, unpack it and run pip install . from the directory where you placed it. Isn't that easy?

Requirements

  • A Python interpreter. Versions 2.0.1 and newer are known to work.
    1. If you want to run the examples and you have Python < 2.7, you will need to install the argparse package for them to work.
    2. For Kerberos support you will need pyasn1 package
    3. For cryptographic operations you will need pycrypto package
    4. For some examples you will need pyOpenSSL (rdp_check.py) and ldap3 (ntlmrelayx.py)
    5. For ntlmrelayx.py you will also need ldapdomaindump
    6. If you're under Windows, you will need pyReadline
  • A recent release of Impacket.

Installing

In order to install the source execute the following command from the directory where the Impacket's distribution has been unpacked: pip install . This will install the classes into the default Python modules path; note that you might need special permissions to write there. For more information on what commands and options are available from setup.py, run python setup.py --help-commands.

To install the dependencies for the examples, use either pip install -r requirements_examples.txt or use pip install .[examples] from the location you unpacked Impacket.

Licensing

This software is provided under under a slightly modified version of the Apache Software License. See the accompanying LICENSE file for more information.

SMBv1 and NetBIOS support based on Pysmb by Michael Teo.

Contact Us

Whether you want to report a bug, send a patch or give some suggestions on this package, drop us a few lines at oss@coresecurity.com.