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Message-ID: <20121209233202.GB4261@openwall.com>
Date: Mon, 10 Dec 2012 03:32:02 +0400
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: enable ASLR or/and DEP for Windows builds of JtR
On Sun, Dec 09, 2012 at 11:37:11AM -0500, Rich Rumble wrote:
> > Summary: we should probably try adding -Wl,--nxcompat to Cygwin targets,
> > and -Wl,--dynamicbase -Wl,--nxcompat to MinGW targets.
> Does MinGW build work?
I don't know. JimF did have them working at some point.
> I'll have to try it again and report back, along with the flags.
Thanks!
> > Anyone ready to try that? (Then see if the flags are actually set, or
> > better yet if ASLR or/and DEP actually work when the program is run.)
> I'll see what PeStudio sees on current builds. In the mean time if
> anyone wants to protect their exe's they can use the ASLR/DEP opt-in
> program from Microsoft called EMET
> http://blogs.technet.com/b/srd/archive/2012/05/15/introducing-emet-v3.aspx
> version 3 is currently out.
Apparently, the peflags program from Cygwin (package called "rebase"?)
can do this too.
Alexander
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