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Release: Pass-The-Hash toolkit v1.3
- To: bugtraq@xxxxxxxxxxxxxxxxx
- Subject: Release: Pass-The-Hash toolkit v1.3
- From: "Hernan Ochoa" <hernan@xxxxxxxxx>
- Date: Fri, 29 Feb 2008 15:17:55 -0300
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Pass-The-Hash Toolkit 1.3 by Hernan Ochoa (hochoa@xxxxxxxxxxxxxxxx,
* PASSTHEHASH.IDC: This .IDC IDA Pro script can be used to obtain the addresses
iam and whosthere need to obtain/modify logon session credentials.
into IDA Pro (make sure to import the symbols) and run the script to get the
addresses you need to add to the source code to add support for the
you have, in case it is not supported yet.
If you use the script, please send me the addresses so I can include them in
the next version of the toolkit.
* IAM-ALT and WHOSTHERE-ALT: two new tools written from scratch that do the
same thing that IAM and WHOSTHERE do but using a slightly different technique,
aiming at making the tool work on more systems without requiring users to
modify the source code of iam/whosthere (or wait for the next version:)).
The good thing about this 'alt' version of the iam/whosthere tools is that
they SHOULD work on more windows versions without modifications.
The 'bad' thing is that both tools need to execute code inside lsass.exe.
The tools basically use the functions MSV1_0.DLL!NlpDeletePrimaryCredential,
MSV1_0.DLL!NlpAddPrimaryCredential, and MSV1_0.DLL!NlpGetPrimaryCredential;
these are the functions gsecdump uses (if I'm not mistaken).
The current heuristics used to find the functions inside MSV1_0.DLL is horrible
but it works.
whosthere uses a method tha allows it to obtain credentials just by
reading memory, without executing any code. iam does not, but just
because I'm lazy, it will do it eventually, the downside to this approach
is that although it does use heuristics to verify hardcoded addresses, it
does have hardcoded addresses anyways.And that's why to help solve this issue
but at the same time maintain the possiblity of obtaining credentials
without executing code inside lsass.exe, I created the passthehash.idc
script. If you don't care about executing code inside lsass.exe, use
*iam/whosthere: Added support for more windows versions. including
*iam/iam-alt: new syntax. now you have to use -h to specify the credentials.
*whosthere/whosthere-alt: new -o switch to dump credentials to a file
*whosthere/whosthere-alt: new -i switch that will make whosthere/whosthere-alt
display current logon credentials found in memory and then wait forever for
new logon sessions and display only those new sessions. you can use this switch
together with the -o switch to dump credentials found to a file. Now
you can leave the
tool running and it will log all unique interactive logon sessions
created, it makes
easier the job of waiting for the administrator to log into the compromised
machine where whosthere/whosthere-alt is running. Thanks to heathengod for the
idea of this feature.
*several bugfixes and stuff