Re: ettercap helpFrom: Mike Brentlinger (email@example.com)
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From: "Mike Brentlinger" <firstname.lastname@example.org> To: email@example.com Date: Thu, 03 Oct 2002 10:46:59 -0400
i think i got it figured out.... it seems that a known issue by developers
thats being updated to be addressed
----Original Message Follows----
From: Rohit Sharma <firstname.lastname@example.org>
To: Mike Brentlinger <email@example.com>
Subject: Re: ettercap help
Date: 03 Oct 2002 10:15:41 +0530
While compiling please make sure that you have ncurses libraries. It is
way much better to sniff using the ncurses GUI instead of the command
Anyways have never tried Ettercap for VNC.
Choose the ip and press "a" for arp MITM (make sure dissection is on)
and Run ethereal on the same ethernet card on top of it for cross
refrencing and decode it yourself to see whatz going on.
or dig into the soure codes it's easy if you know the protocol
Actually some time back i was going through the source code and found
that the http based 64 decoding and web site monitoring is not done
properly. I wrote a sniffer for the same that is more like a GUI
http://www7.brinkster.com/rohit79/sniffer.tar.bz2 (Yahoo messenger,
http, smtp, ftp dissection enabled) the rpms are not updated yet. needs
On Tue, 2002-10-01 at 02:07, Mike Brentlinger wrote:
> Ok, based on http://ettercap.sourceforge.net/
> ettercap supposedly captures vnc passwords, ie
> Password collector for : TELNET, FTP, POP, ... VNC, ...
> I have the following setup but cannot for the life of me get it to work..
> ip : 10.0.0.1 (vnc client)
> mac: aa:aa:aa:aa:aa:aa ---------------|
> ip : 10.0.0.2 (ettercap) |
> mac: bb:bb:bb:bb:bb:bb ------------- tried both hub & switch
> ip : 10.0.0.3 (vnc server) |
> mac: cc:cc:cc:cc:cc:cc ---------------|
> I can get it to sniff telnet, ftp, pop, smb, but no vnc. I have the
> following default entry in my etter.conf file under the dissectors
> VNC=ON # tcp 5900-5905
> and based on the etter.conf file it doesnt appear as though this password
> sniff requires any arp spoofing of any type.
> when i run it on my windows, trinux, or redhat machine i get similar
> such as below,
> C:\Program Files\ettercap>ettercap.exe -NCzds
> ettercap 0.6.7 (c) 2002 ALoR & NaGA
> List of available devices :
> --> [dev0] - [3Com EtherLink PCI]
> --> [dev2] - [3Com 3C90x Ethernet Adapter]
> Please select one of the above, which one ? : 0
> Your IP: 172.18.2.10 with MAC: 00:B0:D0:7B:DD:15 on Iface: dev0
> Press 'h' for help...
> Sniffing (IP based): ANY:0 <--> ANY:0
> TCP + UDP packets... (default)
> Collecting passwords...
> 15:18:13 172.18.2.10:1600 <--> 172.18.3.100:139 netbios-ssn
> USER: blah
> LC 2.5 FORMAT: "blah":x:blah:blah
> 15:19:44 172.18.2.10:1605 <--> 172.18.1.10:110 pop3
> USER: blah
> PASS: pass
> what am i doing wrong? what would the proper command line start up be? Im
> not even sure I need to apr spoof since it I havent seen anywhere
> specifically that its needed for vnc... ive read the man and it has an
> "ettercap -NCza -D 100 192.168.0.1 192.168.0.2 55:23:A5:B4:C7:89
> Collect password to stdout on a switched LAN. this will poison the two
> 192.168.0.1 and 192.168.0.2 each other. "
> But thats not all that helpful, espicaily with out a diagram... are those
> the ips and macs of the 2 hosts? the dest and man in middle? the src and
> in middle?
> please help
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