Re: Email based attack on University

2019-10-15 Thread Greg Wooledge
On Tue, Oct 15, 2019 at 11:13:00AM +1100, Keith Bainbridge wrote: > I have an issue trying to run an alias. I get 'alias' not found error. So I > sym-linked my .bashrc into /root. Same result. ... huh? > If I su, get # prompt and 'alias' works. Typing alias gets list as > expected. exit. Try su

Re: Email based attack on University

2019-10-14 Thread Keith Bainbridge
On 9/10/19 1:42 am, Jonathan Dowland wrote: Now to make that info useful. I have back-up disks mount noexec and then unmount as part of the script. BUT I've had a couple of instances of the back landing in the mount point for some reason. If the script is on the disk, it can only run if the disk

Re: Email based attack on University

2019-10-08 Thread Keith Bainbridge
On 9/10/19 1:42 am, Jonathan Dowland wrote: Yes that sounds correct: if the mount didn't happen, the script isn't there, so it won't run. I meant to say that I'd get cron to mount the disk, then run the script and unmount it. Thanks again Jonathan. -- Keith Bainbridge

Re: Email based attack on University

2019-10-08 Thread Keith Bainbridge
On 8/10/19 6:56 pm, Curt wrote: The seminal vector of the ANU attack (a concerted, determined, and sophisticated affair that might very well have been carried out by state operatives) was social (as in engineering); When the report that another Government may have been behind the attack, it

Re: Email based attack on University

2019-10-08 Thread Jonathan Dowland
On Tue Oct 8, 2019 at 5:35 PM Keith Bainbridge wrote: > So I put noexec under the heading of it may deter somebody who is > looking for easy targets. Yes I think of it like a speed bump, rather than a barrier. > bash without the -c will run a script however. Yes. > Now to make that info

Re: Email based attack on University

2019-10-08 Thread Curt
On 2019-10-08, Keith Bainbridge wrote: > > So I put noexec under the heading of it may deter somebody who is > looking for easy targets. > The seminal vector of the ANU attack (a concerted, determined, and sophisticated affair that might very well have been carried out by state operatives) was

Re: Email based attack on University

2019-10-08 Thread Keith Bainbridge
On 8/10/19 12:45 am, Jonathan Dowland wrote: On Mon, Oct 07, 2019 at 10:49:01AM +1100, Keith Bainbridge wrote: Well I think the bash line means that the bash command uses ~/whatever as data (which it could do without the x switch?) like any program does with data files. I wasn't aware of this.

Re: Email based attack on University

2019-10-07 Thread tomas
On Mon, Oct 07, 2019 at 02:46:54PM +0100, Jonathan Dowland wrote: > On Sat, Oct 05, 2019 at 12:10:14PM +0200, to...@tuxteam.de wrote: > >I'm pretty confident that they'll work. Firstly, Jonathan > >knows his stuff. > > that's generous, thank you! C'mon. Thank *you* for your work on Debian.

Re: Email based attack on University

2019-10-07 Thread Jonathan Dowland
On Sat, Oct 05, 2019 at 12:10:14PM +0200, to...@tuxteam.de wrote: I'm pretty confident that they'll work. Firstly, Jonathan knows his stuff. that's generous, thank you! --  Jonathan Dowland ✎ j...@dow.land  https://jmtd.net

Re: Email based attack on University

2019-10-07 Thread Jonathan Dowland
On Mon, Oct 07, 2019 at 10:49:01AM +1100, Keith Bainbridge wrote: Well I think the bash line means that the bash command uses ~/whatever as data (which it could do without the x switch?) like any program does with data files. I wasn't aware of this. I read later the the -c is not necessary,

Re: Email based attack on University

2019-10-07 Thread Greg Wooledge
On Sat, Oct 05, 2019 at 12:14:28PM -, Curt wrote: > On 2019-10-05, wrote: > I meant > > bash -c "~/whatever" > > appears to be faulty (for one reason or another. For two reasons. First, the -c. That's been explained already. Second, the quotes around the tilde cause tilde expansion not

Re: Email based attack on University

2019-10-06 Thread Andy Smith
Hello, On Thu, Oct 03, 2019 at 08:05:27AM -0400, rhkra...@gmail.com wrote: > On Thursday, October 03, 2019 06:23:20 AM Andrew McGlashan wrote: > > There have been numerous bugs with LookOut (otherwise known as > > Outlook), running scripts and having other vulnerabilities due to > > preview pane

Re: Email based attack on University

2019-10-06 Thread Keith Bainbridge
On 5/10/19 1:22 am, Jonathan Dowland wrote: On Wed, Oct 02, 2019 at 07:03:59PM +1000, Keith Bainbridge wrote: I wonder if having /home on a 'noexec' partition would stop this attack, please? I don't know specifically about this attack, but noexec is trivial to circumvent. Here's three ways:

Re: Email based attack on University

2019-10-05 Thread tomas
On Sat, Oct 05, 2019 at 12:14:28PM -, Curt wrote: > On 2019-10-05, wrote: > > > > # But we can bypass it with Jonathan's first method: > > tomas@trotzki:~$ /bin/sh bar/hello > > hello, world > > > > I meant > > bash -c "~/whatever" > > appears to be faulty (for one reason or

Re: Email based attack on University

2019-10-05 Thread Curt
On 2019-10-05, wrote: > > # But we can bypass it with Jonathan's first method: > tomas@trotzki:~$ /bin/sh bar/hello > hello, world > I meant bash -c "~/whatever" appears to be faulty (for one reason or another. -- "There are no foreign lands. It is the traveler only who is foreign."

Re: Email based attack on University

2019-10-05 Thread tomas
On Sat, Oct 05, 2019 at 09:39:06AM -, Curt wrote: > On 2019-10-05, Keith Bainbridge wrote: > > > I'm still lurking here, but not sure what this suggestion means. > > He's not making one. > > He's offering examples of the trivial circumvention of the noexec option > (but they all appear to

Re: Email based attack on University

2019-10-05 Thread Curt
On 2019-10-05, Keith Bainbridge wrote: > I'm still lurking here, but not sure what this suggestion means. He's not making one. He's offering examples of the trivial circumvention of the noexec option (but they all appear to be faulty for one reason or another). > Please expand. > > On

Re: Email based attack on University

2019-10-05 Thread tomas
On Sat, Oct 05, 2019 at 06:02:32PM +1000, Keith Bainbridge wrote: > I'm still lurking here, but not sure what this suggestion means. > > Please expand. I don't really understand your question. Otherwise I'd try to answer. Could you be more explicit? Cheers -- tomás signature.asc Description:

Re: Email based attack on University

2019-10-05 Thread Keith Bainbridge
I'm still lurking here, but not sure what this suggestion means. Please expand. On 5/10/19 1:22 am, Jonathan Dowland wrote: On Wed, Oct 02, 2019 at 07:03:59PM +1000, Keith Bainbridge wrote: I wonder if having /home on a 'noexec' partition would stop this attack, please? I don't know

Re: Email based attack on University

2019-10-04 Thread Jonathan Dowland
On Wed, Oct 02, 2019 at 07:03:59PM +1000, Keith Bainbridge wrote: I wonder if having /home on a 'noexec' partition would stop this attack, please? I don't know specifically about this attack, but noexec is trivial to circumvent. Here's three ways: bash -c "~/whatever" cp ~/whatever /tmp

Re: Email based attack on University

2019-10-04 Thread Curt
On 2019-10-04, wrote: > > Well -- that thing I implicitly mentioned was EFAIL [1], which could > leak a PGP encrypted content by crafting a broken MIME/HTML container > around it. You could argue that the MIME parser is broken, but software > tends to be broken in various and creative ways

Re: Email based attack on University

2019-10-04 Thread tomas
On Fri, Oct 04, 2019 at 12:24:14PM +0100, Brian wrote: > On Fri 04 Oct 2019 at 12:53:39 +0200, to...@tuxteam.de wrote: > > On Fri, Oct 04, 2019 at 11:28:24AM +0100, Brian wrote: [...] > > > That's *after* the mail is opened. > > > > That even complicates the challenge to define the meaning of

Re: Email based attack on University

2019-10-04 Thread Brian
On Fri 04 Oct 2019 at 12:53:39 +0200, to...@tuxteam.de wrote: > On Fri, Oct 04, 2019 at 11:28:24AM +0100, Brian wrote: > > On Fri 04 Oct 2019 at 11:36:02 +0200, to...@tuxteam.de wrote: > > > > > On Fri, Oct 04, 2019 at 10:11:52AM +0100, Brian wrote: > > > > > > [...] > > > > > > > > Yes, "our"

Re: Email based attack on University

2019-10-04 Thread tomas
On Fri, Oct 04, 2019 at 11:28:24AM +0100, Brian wrote: > On Fri 04 Oct 2019 at 11:36:02 +0200, to...@tuxteam.de wrote: > > > On Fri, Oct 04, 2019 at 10:11:52AM +0100, Brian wrote: > > > > [...] > > > > > > Yes, "our" security story is way better than theirs [...] > > > > [edit: I forgot to put

Re: Email based attack on University

2019-10-04 Thread Brian
On Fri 04 Oct 2019 at 11:36:02 +0200, to...@tuxteam.de wrote: > On Fri, Oct 04, 2019 at 10:11:52AM +0100, Brian wrote: > > [...] > > > > Yes, "our" security story is way better than theirs [...] > > [edit: I forgot to put "theirs" in quotes] > > > A single reliable, well-documented and

Re: Email based attack on University

2019-10-04 Thread tomas
On Fri, Oct 04, 2019 at 10:11:52AM +0100, Brian wrote: [...] > > Yes, "our" security story is way better than theirs [...] [edit: I forgot to put "theirs" in quotes] > A single reliable, well-documented and repeatable example of a problem > caused by pressing enter or clicking on a mail would

Re: Email based attack on University

2019-10-04 Thread Brian
On Fri 04 Oct 2019 at 10:49:49 +0200, to...@tuxteam.de wrote: > On Thu, Oct 03, 2019 at 08:54:10PM +0100, Brian wrote: > > [...] > > > Opening an email causes no problem to the system on Debian. We would be > > in deep trouble if it did. Does that address your concern? > > Woah. A sweeping

Re: Email based attack on University

2019-10-04 Thread tomas
On Thu, Oct 03, 2019 at 08:54:10PM +0100, Brian wrote: [...] > Opening an email causes no problem to the system on Debian. We would be > in deep trouble if it did. Does that address your concern? Woah. A sweeping assertion which would start making sense if you tried to explain what "opening an

Re: Email based attack on University

2019-10-03 Thread Andrew McGlashan
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Hi, On 4/10/19 6:17 am, Joe wrote: > On Thu, 3 Oct 2019 20:54:10 +0100 Brian > wrote: > > >> >> Opening an email causes no problem to the system on Debian. We >> would be in deep trouble if it did. > > That has been my experience, but I did

Re: Email based attack on University

2019-10-03 Thread Keith Bainbridge
Yes Brian - precisely. Thanks. And Joe has repeated you, with a few suggestions to 'improve' the situation. Now to convince people to switch. I believe it is easier than adjusting to recent updates elsewhere, but... Worth trying though. Keith Bainbridge

Re: Email based attack on University

2019-10-03 Thread Joe
On Thu, 3 Oct 2019 20:54:10 +0100 Brian wrote: > > Opening an email causes no problem to the system on Debian. We would > be in deep trouble if it did. That has been my experience, but I did bring some cautious habits from Windows, I don't render HTML and don't use a preview window and I

Re: Email based attack on University

2019-10-03 Thread Brian
On Thu 03 Oct 2019 at 10:28:58 +1000, Keith Bainbridge wrote: > > On 3/10/19 5:05 am, Brian wrote: > > The starting post has nothing to do with Debian and, one may notice, the > > OP has not reappeared to join the conversation and give his considered > > opinion. It's a typical c'mon post which

Re: Email based attack on University

2019-10-03 Thread Gene Heskett
On Thursday 03 October 2019 09:24:16 rhkra...@gmail.com wrote: > On Thursday, October 03, 2019 09:03:57 AM Gene Heskett wrote: > > On Thursday 03 October 2019 08:05:27 rhkra...@gmail.com wrote: > > > (I'm still using Wheezy with kmail 1.13.7 as my daily driver.) > > > > Wow! Thats newer than

Re: Email based attack on University

2019-10-03 Thread rhkramer
On Thursday, October 03, 2019 09:03:57 AM Gene Heskett wrote: > On Thursday 03 October 2019 08:05:27 rhkra...@gmail.com wrote: > > (I'm still using Wheezy with kmail 1.13.7 as my daily driver.) > > Wow! Thats newer than mine, but I'm running TDE. But the emphasis on > progress for TDE has been

Re: Email based attack on University

2019-10-03 Thread Curt
On 2019-10-03, rhkra...@gmail.com wrote: > On Thursday, October 03, 2019 06:23:20 AM Andrew McGlashan wrote: >> There have been numerous bugs with LookOut (otherwise known as >> Outlook), running scripts and having other vulnerabilities due to >> preview pane being open. I try to encourage

Re: Email based attack on University

2019-10-03 Thread Gene Heskett
On Thursday 03 October 2019 08:05:27 rhkra...@gmail.com wrote: > On Thursday, October 03, 2019 06:23:20 AM Andrew McGlashan wrote: > > There have been numerous bugs with LookOut (otherwise known as > > Outlook), running scripts and having other vulnerabilities due to > > preview pane being open.

Re: Email based attack on University

2019-10-03 Thread rhkramer
On Thursday, October 03, 2019 06:23:20 AM Andrew McGlashan wrote: > There have been numerous bugs with LookOut (otherwise known as > Outlook), running scripts and having other vulnerabilities due to > preview pane being open. I try to encourage people NOT to have a > preview pane, but people will

Re: Email based attack on University

2019-10-03 Thread Andrew McGlashan
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Hi, On 3/10/19 10:28 am, Keith Bainbridge wrote: ... Well, given the fact that too many emails these days are HTML type; ala web based they are suspect to email programs running javascript and/or other scripting languages due to default

Re: Email based attack on University

2019-10-03 Thread Keith Bainbridge
So it's not just 4 major regional hospitals here. Could it be the attacks are connected. By the bye, I a current-time documentary earlier this year, in a local public hospital with what looked very like WinXP on the monitor behind the doctor being interviewed. Keith Bainbridge

Re: Email based attack on University

2019-10-02 Thread Keith Bainbridge
On 3/10/19 5:05 am, Brian wrote: The starting post has nothing to do with Debian and, one may notice, the OP has not reappeared to join the conversation and give his considered opinion. It's a typical c'mon post which should have been ignored. Oops, pushed the wrong keys, and replied only

Re: Email based attack on University

2019-10-02 Thread Igor Cicimov
On Thu, Oct 3, 2019, 1:00 AM Lee wrote: > On 10/2/19, Henning Follmann wrote: > > On Wed, Oct 02, 2019 at 10:40:34AM +0100, Jeremy Nicoll wrote: > >> On Wed, 2 Oct 2019, at 10:03, Keith Bainbridge wrote: > >> > >> > Details are at > >> > > >> > >

Re: Email based attack on University

2019-10-02 Thread Carl Fink
On Wed, Oct 02, 2019 at 11:57:50AM -0500, David Wright wrote: > On Wed 02 Oct 2019 at 12:47:13 (-0400), Carl Fink wrote: > > On Wed, Oct 02, 2019 at 05:55:32PM +0200, ??tienne Mollier wrote: > > > > > I don't believe MP3 allows executable code by specifications > > > either, so shouldn't the PNG

Re: Email based attack on University

2019-10-02 Thread Brian
On Wed 02 Oct 2019 at 19:13:01 +0200, deloptes wrote: > Henning Follmann wrote: > > > And I hear already the crowds crying, but we need this for work. > > No you don't! > > I do not need a powerpoint presentation in my mail. If you want bullet > > points just use "-" and indentation. You can do

Re: Email based attack on University

2019-10-02 Thread Brad Rogers
On Thu, 3 Oct 2019 04:09:38 +1000 Andrew McGlashan wrote: Hello Andrew, >So, NOT very transparent at all then! They were transparent about *what* happened and what was *taken*(0). At this stage, to tell the detailed 'how' could be opening the door to harm at other vulnerable organisations(1).

Re: Email based attack on University

2019-10-02 Thread Andrew McGlashan
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 On 3/10/19 3:32 am, Brad Rogers wrote: > On Wed, 2 Oct 2019 10:38:44 -0400 Lee wrote: > > Hello Lee, > >> Thanks for the link! >> >>> But the email program used by Client 0 is unspecified. >> >> As is the operating system - or did I miss

Re: Email based attack on University

2019-10-02 Thread Brad Rogers
On Wed, 2 Oct 2019 10:38:44 -0400 Lee wrote: Hello Lee, >Thanks for the link! > >> But the email program used by Client 0 is unspecified. > >As is the operating system - or did I miss that? As stated in the paper itself, to avoid being an instructional for up and coming ne'er-do-wells, the

Re: Email based attack on University

2019-10-02 Thread deloptes
Henning Follmann wrote: > And I hear already the crowds crying, but we need this for work. > No you don't! > I do not need a powerpoint presentation in my mail. If you want bullet > points just use "-" and indentation. You can do that in a text made from > ASCII characters only. > Excel is  shit

Re: Email based attack on University

2019-10-02 Thread David Wright
On Wed 02 Oct 2019 at 12:47:13 (-0400), Carl Fink wrote: > On Wed, Oct 02, 2019 at 05:55:32PM +0200, ??tienne Mollier wrote: > > > I don't believe MP3 allows executable code by specifications > > either, so shouldn't the PNG image format. But think of DSA > > 4435 which affected libpng earlier

Re: Email based attack on University

2019-10-02 Thread Étienne Mollier
On 02/10/2019 18.47, Carl Fink wrote: > On Wed, Oct 02, 2019 at 05:55:32PM +0200, ??tienne Mollier wrote: > >> I don't believe MP3 allows executable code by specifications >> either, so shouldn't the PNG image format. But think of DSA >> 4435 which affected libpng earlier this year. When the OS

Re: Email based attack on University

2019-10-02 Thread Carl Fink
On Wed, Oct 02, 2019 at 05:55:32PM +0200, ??tienne Mollier wrote: > I don't believe MP3 allows executable code by specifications > either, so shouldn't the PNG image format. But think of DSA > 4435 which affected libpng earlier this year. When the OS > library for handling multimedia has flaws,

Re: Email based attack on University

2019-10-02 Thread Curt
On 2019-10-02, Lee wrote: >> >> https://imagedepot.anu.edu.au/scapa/Website/SCAPA190209_Public_report_web_2.pdf >> > > Thanks for the link! > >> But the email program used by Client 0 is unspecified. > > As is the operating system - or did I miss that? > I don't think you did miss it. --

Re: Email based attack on University

2019-10-02 Thread Étienne Mollier
Nicholas Geovanis, on 2019-10-02: > Henning Follmann, on 2019-10-02: > > On Wed, Oct 02, 2019 at 09:27:37AM -0400, Carl Fink wrote: > > > On Wed, Oct 02, 2019 at 08:41:11AM -0400, Henning Follmann wrote: > > > > only PDF/A is OK every other PDF, throw it out. > > > > No multimedia (movies, mp3). >

Re: Email based attack on University

2019-10-02 Thread tomas
On Wed, Oct 02, 2019 at 09:33:18AM -0500, Nicholas Geovanis wrote: [...] > True enough but with the following difference: By specification, to the > best of my amateur knowledge, > the MP3 format does not permit executable content. Whereas Word and PDF > files do. Specifically for MP3 there

Re: Email based attack on University

2019-10-02 Thread Paul Sutton
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On 02/10/2019 10:03, Keith Bainbridge wrote: > Good evening Folks > > I guess some of you have heard that a major Australian university > was attacked by an email scam. > > I wonder if having /home on a 'noexec' partition would stop this >

Re: Email based attack on University

2019-10-02 Thread Lee
On 10/2/19, Henning Follmann wrote: > On Wed, Oct 02, 2019 at 10:40:34AM +0100, Jeremy Nicoll wrote: >> On Wed, 2 Oct 2019, at 10:03, Keith Bainbridge wrote: >> >> > Details are at >> > >> > https://www.abc.net.au/news/2019-10-02/anu-cyber-hack-how-personal-information-got-out/11550578 >> >

Re: Email based attack on University

2019-10-02 Thread Lee
On 10/2/19, Curt wrote: > On 2019-10-02, Torben Schou Jensen wrote: >> Interesting story. >> >> I am missing technical details. >> I do not understand how preview of e-mail can result in hackers stealing >> userid and password, what kind of mail program was used? >> > > Yeah, it's better to go

Re: Email based attack on University

2019-10-02 Thread Nicholas Geovanis
On Wed, Oct 2, 2019 at 9:06 AM Henning Follmann wrote: > On Wed, Oct 02, 2019 at 09:27:37AM -0400, Carl Fink wrote: > > On Wed, Oct 02, 2019 at 08:41:11AM -0400, Henning Follmann wrote: > > > > > No multimedia (movies, mp3). > > > > Really? MP3? Paranoid much? > > Well, maybe. > OTOH these

Re: Email based attack on University

2019-10-02 Thread Henning Follmann
On Wed, Oct 02, 2019 at 09:27:37AM -0400, Carl Fink wrote: > On Wed, Oct 02, 2019 at 08:41:11AM -0400, Henning Follmann wrote: > > > Here is one thing which actually make everybody safer: Do NOT (NEVER!) > > accept files > > which might include executable code. > > Office files (MS or OO ) > >

Re: Email based attack on University

2019-10-02 Thread Carl Fink
On Wed, Oct 02, 2019 at 08:41:11AM -0400, Henning Follmann wrote: > Here is one thing which actually make everybody safer: Do NOT (NEVER!) accept > files > which might include executable code. > Office files (MS or OO ) Open MS files with LibreOffice, which won't run the VBA, or with the

Re: Email based attack on University

2019-10-02 Thread Henning Follmann
On Wed, Oct 02, 2019 at 10:40:34AM +0100, Jeremy Nicoll wrote: > On Wed, 2 Oct 2019, at 10:03, Keith Bainbridge wrote: > > > Details are at > > > > https://www.abc.net.au/news/2019-10-02/anu-cyber-hack-how-personal-information-got-out/11550578 > >

Re: Email based attack on University

2019-10-02 Thread Curt
On 2019-10-02, Torben Schou Jensen wrote: > Interesting story. > > I am missing technical details. > I do not understand how preview of e-mail can result in hackers stealing > userid and password, what kind of mail program was used? > Yeah, it's better to go directly to the publicly available

Re: Email based attack on University

2019-10-02 Thread Torben Schou Jensen
Interesting story. I am missing technical details. I do not understand how preview of e-mail can result in hackers stealing userid and password, what kind of mail program was used? It say "The attack on ANU was possible because of the university's old computer network" I prefer to use Debian

Re: Email based attack on University

2019-10-02 Thread Jeremy Nicoll
On Wed, 2 Oct 2019, at 10:03, Keith Bainbridge wrote: > Details are at > > https://www.abc.net.au/news/2019-10-02/anu-cyber-hack-how-personal-information-got-out/11550578 > https://www.abc.net.au/news/2019-10-02/the-sophisticated-anu-hack-that-compromised-private-details/11566540 It seems to me