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Introduction
Ncrack is a high-speed network authentication cracking tool. Itwas built to help companies secure their networks by proactivelytesting all their hosts and networking devices for poorpasswords. Security professionals also rely on Ncrack when auditingtheir clients. Ncrack was designed using a modular approach, acommand-line syntax similar to Nmap and a dynamic engine that canadapt its behaviour based on network feedback. It allows for rapid,yet reliable large-scale auditing of multiple hosts.
Ncrack's features include a very flexible interface granting the userfull control of network operations, allowing for very sophisticatedbruteforcing attacks, timing templates for ease of use, runtimeinteraction similar to Nmap's and many more. Protocols supportedincludeSSH, RDP, FTP, Telnet, HTTP(S), Wordpress, POP3(S), IMAP, CVS, SMB, VNC, SIP, Redis, PostgreSQL, MQTT, MySQL, MSSQL, MongoDB, Cassandra, WinRM, OWA, and DICOM
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Ncrack is released as a standalone tool and can bedownloaded from the section below. Be sure to read theNcrack man page to fully understand Ncrack usage. If you are a developer and want to write your own Ncrack modules, studying the Ncrack Developer's Guide would be the first step.
Downloading Ncrack
Ncrack is available for many different platforms, including Linux, *BSD,Windows and Mac OS X. There are already installers for Windows and Mac OS Xand a universal source code tarball that can be compiled on everysystem. You can also download the latest version straight from the SVNrepository. Older versions are available from the dist directory.For the moresecurity-paranoid (smart) users, GPG detached signatures and SHA-1hashes for each release are available in the sigsdirectory (verification is similar to the Nmap verification instructions).
Specific details and instructions are available for the source code distribution, Windows binaries, and Mac OS X binaries, and Current development source.
Source code distribution
The Ncrack tarball compiles under Windows, Mac OS X, Linux and other UNIXplatforms like *BSD. The standard procedure of compilation on most UNIXsystems usually goes like this:
Ncrack release tarball: ncrack-0.7.tar.gz
Windows binaries
Ncrack has been ported to Windows and has been tested on Windows XP so far.Since this is an experimental version, pleasenotify us for any problems or successfulresults on other platforms.
There is a ready-to-use Windows installer available, which makes the wholeprocedure of getting and deploying Ncrack, painless:
Ncrack release Windows installer: ncrack-0.7-setup.exe
Mac OS X binaries
Ncrack has been ported to Mac OS X and there is a disk image file containing an installer:
Ncrack release Mac OS X installer: ncrack-0.7.dmg
Current Development Version
The Ncrack Git repository is on Github so you can always get the latestdevelopment version by pulling from there.
![Mac Mac](https://www.davebennett.tech/wp-content/uploads/2016/02/setup-kernel-1024x576.jpg)
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Instructions for how to use the download access script provided by Earthdata Search, which allows users to easily download large numbers of files.
IMPORTANT: The download access script works on Mac, Linux and Windows systems. Windows users will need to a program that emulates a Linux command line, such as Cygwin. Cygwin is free, and can be download here: https://www.cygwin.com/install.html
Step-by-step guide
- In your Earthdata Login profile, make sure you have authorized the application from which you are downloading data (see How To Pre-authorize an application). There are many similarly named apps. If you aren't sure which one, authorize all apps you think could be relevant to your data. For example, if you are trying to get data from goldsmr5.gesdisc.eosdis.nasa.gov and it's not working, make sure you approve all the apps containing the word 'GESDISC,' just to be sure.
- After downloading the script, open Terminal (Mac or Linux) or Cygwin (Windows) and navigate to the folder that contains your scriptThe files downloaded by this script will be downloaded to the folder that your script is in. If you want your files downloaded to a specific folder, please make sure to move the script to that folder before executing the script.
- Next, run the following command to make the script executable:
- Now that your script is executable, run the script using the following command. (Note: the leading period and forward slash is required.)
- The script will ask for your Earthdata Login credentials.Note: your Earthdata Login and password are case-sensitive, so be sure CAPSLOCK is off.When asked for your Username, please enter your Earthdata Login.When asked for your Password, please enter your Earthdata Login password. When entering your password, you cannot see your password as you type. This is a Unix convention for security, but it can be confusing.After entering your password, be sure to hit the RETURN key.
- After entering your password and hitting the RETURN key, the downloads will begin. You should start to see download statuses appear for each link present in the download script.
- At this point, you should start seeing files downloaded to your computer. The script will terminate once it has attempted to download the files specified in the script.
IF YOU SEE ERROR 'is not recognized as an internal or external command' ON WINDOWS
The download access script works on Windows systems with a program that emulates a Linux command line, such as Cygwin.
If you are a Windows user and you do not have Cygwin, you can download it here: https://www.cygwin.com/install.html
IF YOU HAVE PROBLEMS WITH THE SCRIPT
To download multiple files, a simple alternative to the script is to use wget as follows:
where myusername is your Earthdata username, mypassword is your Earthdata password, and url_list.txt is a text file with one granule download link per line.
For convenience, wget can pull urls directly out of Earthdata Search's download access script, so the following will also work:
For convenience, wget can pull urls directly out of Earthdata Search's download access script, so the following will also work:
To download a single file, you can use wget as follows:
where url is link for the file you want to download.
Another alternative is to use DownloadThemAll!, an add-in for the Firefox browser. (TIP: By adding .txt to the end of the download script, you can use DownloadThemAll!'s 'import from file' feature to download the links it contains.). DownloadThemAll! is not compatible with Firefox Quantum, so be sure to check your version of Firefox to verify compatibility.
An alternative to DownloadThemAll! is 'Chrono Download Manager,' an extension for the Google Chrome browser that has many of the features of DownThemAll! for Firefox.
IF YOU HAVE CONNECTION FAILURES
Connection failures like 'Operation timed out' or 'No route to host' are an indication that the data provider's server may be temporarily unavailable.
To see a list of known data provider outages, click the alerts button (the little bell icon) in the upper right-hand corner of Earthdata Search.
IF YOU SEE THE ERROR 'curl: option --netrc-file: is unknown'
When running the script, if you get the error
this means the curl command is not recognizing the option --netrc-file.
The --netrc-file option was added in curl version 7.21.5. You can check your version of curl by running the following command:
Mac Os X 10.11 Download
If your version of curl is less than 7.21.5, you need to update curl.
If you have .netrc already set up with your login credentials, you may be able to get the script to work without updating curl by editing the script and removing the following from the curl command line: --netrc-file '$netrc'
If you have .netrc already set up with your login credentials, you may be able to get the script to work without updating curl by editing the script and removing the following from the curl command line: --netrc-file '$netrc'
IF YOU DO NOT HAVE WGET
Wget Mac Os X Download Iso
- Windows users can download it at https://eternallybored.org/misc/wget/
- Mac OS X users can install it using Homebrew (https://brew.sh) using the command `brew install wget`
- Additional information on wget is available at https://www.gnu.org/software/wget/faq.html
IF YOU ARE A WINDOWS USER
- Windows users can download it at https://eternallybored.org/misc/wget/
- Mac OS X users can install it using Homebrew (https://brew.sh) using the command `brew install wget`
- Additional information on wget is available at https://www.gnu.org/software/wget/faq.html