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The Gobbler

by ste0000

Gobbler: A tool to audit DHCP networksIncludes DHCP rogue server detection, DHCP DoS, distributed spoofed port scanner using DHCP to obtain many source IP addresses, mulitple arp scans, filtered port detection, spoofed OS detection (nmap + port 0)


http://gobbler.sourceforge.net

Networking, Security

Project Feed

  • gobbler (latest) Gobbler-2.0.1-Alpha file released: Gobbler-2.0.1-Alpha1.tar.gz

    Alpha 2.0.1
    -----------
    Added port 0 fingerprinting - 7 tests
    
    Fixed huge bug in nmap OS detection.... now checks each test reply instead of just first.... opps ;)
    
    Fixed bug when sending RST to incoming connection. Wrong ACK number being sent ...

    12:00AM on Jul 27 2003

  • Gobbler 2.0 Alpha Released

    Changelog for The Gobbler 2.0 Allow scanning from port 0 Added start of MITM attack with fake dns server (-M d) Updated MITM attack when leaving subnet (-Ml) now dishes out IP address Fixed 1 bug which caused OpenBSD to crash on ctrl+c... a usleep ...

    12:14PM on Jun 08 2003 by ste0000

  • gobbler (latest) Gobbler 2.0 Alpha file released: Gobbler-2.0-Alpha.tar.gz

    8 June 2003
    Alpha 2.0.0
    -----------
    
    Allow scanning from port 0
    
    Added start of MITM attack with fake dns server (-M d)
    
    Updated MITM attack when leaving subnet (-Ml) now dishes out IP address
    
    Fixed 1 bug which caused OpenBSD to crash on ctrl+c... a ...

    12:00AM on Jun 08 2003

  • whats going on

    just a quick update on whats going on with the gobbler..... while working on version 2 i have found some huge bugs that need to be fixed..... mainly concerning the gobbler using 100% of the cpu. The next version promises some shiney options such as OS ...

    09:48AM on May 15 2003 by ste0000

  • Gobbler ported to OpenBSD 3.2

    woo hoo finaly got the gobbler ported to openBSD 3.2.... see the change log or readme.1st to see how to compile enjoy :)

    11:20PM on Feb 22 2003 by ste0000

  • gobbler (latest) Gobbler_Alpha1.8.2 file released: Gobbler_Alpha1.8.2.tar.gz

    Alpha 1.8.2
    Added OpenBSD 3.2 support (use ./Compile BSD or ./Compile LINUX to build the gobbler)
    Slowed down BSD scan due to high amounts of filtered ports being returned, (may be something to do with all the ssh traffic)
    
    
    
    Alpha 1.8.1
    Slowed down fast ...

    12:00AM on Feb 22 2003

  • OpenBSD port

    I thought i would let you know work is under way to port the gobbler to openbsd...... The good news i have managed to get it to compile.... the bad news there are some serious problems such as not being able to gobble IP addresses or portscan.... the arp ...

    11:16PM on Feb 21 2003 by ste0000

  • Paper on the gobbler

    The latest version of the paper on how the gobbler works is in the docmanager section..... includes info on how the MITM will work :)

    10:54PM on Feb 20 2003 by ste0000

  • Gobbler Alpha 1.8.1

    mainly bug fixes..... Changelog for Alpha 1.8.1 Slowed down fast scan by adding a delay of 300n anoseconds... helps out libnet ;) Added -C flag to display closed ports at end of scan Added many more decodes for DHCP options FIXED possible buffer ...

    02:49AM on Feb 20 2003 by ste0000

  • gobbler (latest) Gobbler_Alpha1.8.1 file released: Gobbler_Alpha1.8.1.tgz

    Alpha 1.8.1
    Slowed down fast scan by adding a delay of 300 nanoseconds... helps out libnet ;)
    Added -C flag to display closed ports at end of scan
    Added many more decodes for DHCP options 
    FIXED possible buffer overflow....Added length check to each dhcp ...

    12:00AM on Feb 20 2003

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