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Network Security Pen-Test
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Re: Need brute-force assistance

Subject: Re: Need brute-force assistance
Date: Mon, 30 Oct 2006 07:12:23 -0600
you brute force realvnc by getting the password from the registry and
plugging it into cain and abel. or you just use the recent
vulnerability for realvnc - are they up to date on patches?
http://www.securiteam.com/unixfocus/5WP0D1FIKC.html


On 30 Oct 2006 03:01:04 -0000, barcajax@gmail.com <barcajax@gmail.com> wrote:
I have a machine running RDP, RealVNC and PcAnywhere.
I have successfully brute-forced RDP using TSgrinder. However, I did not have 
the same success against RealVNC and PcAnywhere using Hydra.
Here is the error message I got when bruteforcing PcAnywhere.
C:\hydra-5.3-win>hydra -l Administrator -p c:\wordlist.txt -v 192.168.1.111 pcan
ywhere
[VERBOSE] More tasks defined than login/pass pairs exist. Tasks reduced to 1.
Hydra v5.3 (c) 2006 by van Hauser / THC - use allowed only for legal purposes.
Hydra (http://www.thc.org) starting at 2006-10-30 11:03:22
[DATA] 1 tasks, 1 servers, 1 login tries (l:1/p:1), ~1 tries per task
[DATA] attacking service pcanywhere on port 5631
[VERBOSE] Resolving addresses ... done
    873 [main] hydra 688 child_copy: stack write copy failed, 0x22E990..0x230000
, done 0, windows pid 2287812, Win32 error 5
    873 [main] hydra 688 child_copy: stack write copy failed, 0x22E990..0x230000
, done 0, windows pid 2287812, Win32 error 5
Error: Fork for children failed: No error
 898713 [main] hydra 688 child_copy: stack write copy failed, 0x22E990..0x230000
, done 0, windows pid 2287812, Win32 error 5
 898713 [main] hydra 688 child_copy: stack write copy failed, 0x22E990..0x230000
, done 0, windows pid 2287812, Win32 error 5
Error: Fork for children failed: No error
Error: All childrens are dead!
[INFO] Writing restore file because 1 server scans could not be completed
[VERBOSE] Writing restore file... done
The session file ./hydra.restore was written. Type "hydra -R" to resume session.

How do I bruteforce RealVNC? It has no user correct? Would appreciate any 
feedback as I got no response from THC when I sent a query. Thanks.

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------------------------------------------------------------------------ This List Sponsored by: Cenzic

Need to secure your web apps?
Cenzic Hailstorm finds vulnerabilities fast.
Click the link to buy it, try it or download Hailstorm for FREE.
http://www.cenzic.com/products_services/download_hailstorm.php?camp=701600000008bOW
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