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Date: Tue, 23 Oct 2012 20:59:07 +0530
From: Dhiru Kholia <dhiru.kholia@...il.com>
To: john-dev@...ts.openwall.com
Subject: Cracking PPTP MSCHAPv2 with JtR

Hi,

pptp_fmt_plug.c (attached) is quite similar to MSCHAPv2_fmt_plug.c. It
is a separate plug-in since I didn't want to complicate existing code
(it is already complex enough!).

It supports both hash formats which are produced by Ettercap (after it
is patched).

✗ ../run/john -fo:pptp -t
Benchmarking: PPTP MSCHAPv2 MD4 DES [32/64]... DONE
Raw:	2599K c/s real, 2599K c/s virtual

$ src/ettercap -Tq -r ~/asleap-2.2/data/pptp.dump
ettercap 0.7.5 copyright 2001-2012 Ettercap Development Team
...
Tunnel PPTP: 192.168.1.3 -> 192.168.1.1
PPP*MS-CHAP Password*scott:$pptp$0$7C00A1A403CA7DF5$565FE2492FD5FB88EDAEC934C00D282C046227406C31609B$scott

This plug-in essentially obsoletes asleap-2.2 software (and various
scripts around it) since this plug-in is multi-core capable. Please
review.

-- 
Cheers,
Dhiru

View attachment "pptp_fmt_plug.c" of type "text/x-csrc" (10058 bytes)

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