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Thread: Hacking Network Printers-Mostly HP JetDirects, but a little info on the Ricoh Savins

  1. #1
    King Tutorial-ankhamun
    Join Date
    Jul 2004

    Hacking Network Printers-Mostly HP JetDirects, but a little info on the Ricoh Savins

    Hacking Network Printers
    (Mostly HP JetDirects, but a little info on the Ricoh Savins)

    Here is my little article on how network printers like JetDirects and Ricoh Savins can be hacked. I've attached it as a PDF since it has too many graphics to make posting it with the forum software practical.

    The web version can be found at:


    I plan to do updates as needed, so please give me some feed back. My last few posts havenít got many replies, Iíd like to hear from you all. Here is the table of contents to give you an idea about the subject matter:

    Intro to the concepts
    Diagnostics page
    JetDirect password notes
    Controlling the JetDirect box with telnet/web browser
    Controlling the finding JetDirect boxes with JetAdmin
    Finding Network printers using Nmap and SNMP tools
    Using a JetDirect box as an Nmap Idlescan Zombie
    Setting up a direct IP printer in Windows and Linux
    Side note on a Pharos Uniprint vulnerability
    DoSing the network or the printer
    Changing the LCD display text using HPhack, IGhphack or Hijetter
    Phenoelit's Hijetter and PFT
    Setting the LCD Display with Hijetter
    Changing settings with Hijetter
    Using Hijetter to treat some JetDirect boxes as files/web servers
    Finding stored faxes and print jobs on Jetdirect printers
    Don't forget to look for Stored Documents via the web interface
    Sniffing print jobs and replaying them
    A note on Plain-text authentication protocols
    Other Ideas
    Links to Tools
    Useful links for further research
    Change Log

  2. #2
    Senior Member
    Join Date
    Dec 2004
    nice. i am very tempted to try some of this tommorow.


  3. #3
    Join Date
    Jan 2004
    I don't have time to read the whole thing now, but a copy will take residence on my thumb drive so I can read it whenever I have some free time. I heard about people hacking printers with JetDirect, and I've always wanted to try it out myself.

  4. #4
    King Tutorial-ankhamun
    Join Date
    Jul 2004
    I added a new section:

    Coding your own scripts with Perl and PJL


  5. #5
    AO Guinness Monster MURACU's Avatar
    Join Date
    Jan 2004
    good post and very informative. Makes me think about all those hp printers on our network ..... Hmmmmm.

    \"America is the only country that went from barbarism to decadence without civilization in between.\"
    \"The reason we are so pleased to find other people\'s secrets is that it distracts public attention from our own.\"
    Oscar Wilde(1854-1900)

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