THC-Hydra - The Fast and Flexible Network Login Hacking Tool
Darknet spilled these bits on February 14th 2007 @ 4:32 am

THC-Hydra rocks, it’s pretty much the most up to date and currently developed password brute forcing tool around at the moment.

It supports a LOT of services and protocols too.

Number one of the biggest security holes are passwords, as every password security study shows. Hydra is a parallelized login cracker which supports numerous protocols to attack. New modules are easy to add, beside that, it is flexible and very fast.

THC-Hydra

There are already several login hacker tools available, however none does either support more than one protocol to attack or support parallelized connects.

Currently this tool supports:

TELNET, FTP, HTTP-GET, HTTP-HEAD, HTTPS-GET, HTTP-HEAD, HTTP-PROXY, LDAP2,
LADP3, SMB, SMBNT, MS-SQL, MYSQL, POSTGRES, REXEC, SOCKS5, VNC, POP3, IMAP,
NNTP, PCNFS, ICQ, SAP/R3, Cisco auth, Cisco enable, SMTP-AUTH, SSH2, SNMP,
CVS, Cisco AAA.

However the module engine for new services is very easy so it won’t take a long time until even more services are supported. Planned are: SSH v1, Oracle and more…

This tool is a proof of concept code, to give researchers and security consultants the possibility to show how easy it would be to gain unauthorized access from remote to a system.

There is a lot more information contained in the README file here.

You can download Hydra here:

hydra-5.3-src.tar.gz

Compile and install (./configure; make; make install)

IF you want the windows version you can grab this Cygwin version:

hydra-5.3-win.zip

More info is available here:

THC-Hydra Homepage

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  1. pingback

    [...] Once again this is an oldskool tool but a lot of people are still seeking it, for learning purposes I presume as there are better alternatives now like thc-hydra. [...]

  2. pingback

    [...] While Medusa was designed to serve the same purpose as THC-Hydra, there are several significant differences. For a brief comparison you can see here. [...]

  3. February 15th, 2007 | 2:06 am

    Ubuntu and Debian users have the pre-compiled packages here:

    http://blog.goukihq.org/2006/07/28/the-hackers-choice-hydra-on-ubuntu/

  4. February 15th, 2007 | 5:29 am

    Gouki: Thanks that’ll be useful!

  5. matt
    February 17th, 2007 | 10:01 pm

    Can someone tell me what i did wrong with the login file? I put hydra -L /matt/documents and setting/logins.txt -Anyone got an example to share or can someone provide some help? Thanks

  6. The Mesterious Stranger
    April 24th, 2007 | 12:38 am

    I need help this wont run and i need a good bruteforcer…When i click on hydra a command prompt shows up then dissapers about .5 seconds later. What am i doing wrong?!?!?!?!?!?!?!??!?!?

  7. May 3rd, 2007 | 8:00 pm

    i’m having the same problem as The Mysterious Stranger above. anybody know what were doing wrong? thanks

  8. June 25th, 2007 | 12:44 pm

    hello,this is a good site for learing crack, thank you all.

    i’m having the same problem as The Mysterious Stranger and richard a above.

    I am looking for some tools for cracking encrypted proxy(proxy need username and password), I need it very much.

    would you please tell me?

    thanks in advance

  9. June 25th, 2007 | 1:18 pm

    The Mesterious Stranger

    The windows version has maybe no frontend… have you thought about this? the just start you command prompt and run it from there… a list of options should appear…

  10. Crazum
    August 6th, 2007 | 9:04 pm

    i ran the command prompt, now what. i typed in ./configure and it says that it is unrecognized or something. please help. thanks.

  11. Maiku
    February 2nd, 2008 | 9:14 pm

    ummm no exe file?

  12. Pantagruel
    February 2nd, 2008 | 10:48 pm

    It’s *nix only, so get Cygwin to run it

  13. Maiku
    February 2nd, 2008 | 10:58 pm

    yeah figured that out a few minutes ago xD thanks!

  14. Alex
    May 9th, 2008 | 7:49 pm

    Hello,
    i tried to download the hydra-5.3-win.zip on
    the THC-Hydra homepage, and my anti virus programm detected
    a virus, is this normal for the data??
    pls help me!

  15. Bogwitch
    May 9th, 2008 | 8:49 pm

    It is very usual for hacking tools to be identified as malware. Considering hacking tools are developed by the hacking community, it would be wise to treat any tool you have acquired with a fair degree of suspicion. If you have the ability, tools and techniques to either examine the source code or monitor what the application is actually doing it would probably be best to avoid attempting to hack altogether until you can.
    Additionally, running any hacking tools on your production/ main workstation is a Bad Idea.

  16. Alex
    May 10th, 2008 | 7:04 pm

    ok, thx for your advise!

  17. Alex
    May 23rd, 2008 | 1:07 pm

    now i have another problem,
    i downloaded cygwin, wrote the command, but it doesn’t work!
    what can i do?

  18. Bogwitch
    May 23rd, 2008 | 6:13 pm

    You’ll need to give a little more information than that. Any error messages? What do you mean ‘it doesn’t work’?

  19. Alex
    May 23rd, 2008 | 9:01 pm

    ok, when i write the command, ” no such file or directory” or “Error: Coudn’t find hydra.exe ” appears.

  20. Bogwitch
    May 23rd, 2008 | 9:28 pm

    OK, which error do you get under which circumstances?
    Are you running the command from the directory where you extracted the files?
    Is your anti-virus blocking access to the files?

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