#archiveteam-ot 2020-01-13,Mon

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16:00 🔗 nyany some arse broke into one of the warriors that i set up and killed the docker container so they could mine crypto.
16:00 🔗 SmolColle nyany: did they broke in through ssh?
16:01 🔗 nyany aye
16:01 🔗 SmolColle if it's ssh, there a "deny" option you can use, so you block every ip range, except the one you whitelist
16:01 🔗 nyany 'fraid that's unnecesary. the machine was totally pwned
16:02 🔗 nyany i grabbed some data to analyze but it's now sleeping peacefully in the server abyss
16:02 🔗 SmolColle yeah, i meant next time you set it up :)
16:02 🔗 Frogging Generally, you protect SSH by having good passwords, or maybe even disabling passwords in favour of public keys
16:02 🔗 eythian seem silly of them, you are less likely to notice if they keep the docker container running.
16:03 🔗 * eythian always installs fail2ban to lock out people attempting brute force attacks.
16:03 🔗 Frogging I don't bother with fail2ban. They will _never_ brute force the password.
16:03 🔗 Frogging 99% of the time, they don't even get the username right
16:03 🔗 Frogging let alone the password
16:04 🔗 eythian I tend to believe in defence in depth.
16:04 🔗 Frogging That's fair
16:06 🔗 SmolColle yeah, i used to install fail2ban, but after some boxes of mine were pwned (very secure, firewall + fail2ban) i started to get more paranoid and just used the "deny" option on ssh instead..work great and less high maintenance
16:06 🔗 nyany eythian: i got a cpu alert
16:06 🔗 nyany lol
16:06 🔗 SmolColle wouldn't be surprised if there worm outthere who use ssh/openssh vulns
16:06 🔗 eythian ah right :)
16:07 🔗 SmolColle managed to save and RE some of them too, its just rsync + bash really
16:07 🔗 eythian SmolColle: I have no doubt there are, but if you have autoupdates enabled for security, then you're probably fine.
16:07 🔗 SmolColle they did some binary patch on rsync, still trying to scratch my head in knowing what it does
16:07 🔗 nyany there was no vuln here
16:07 🔗 Frogging SmolColle: Are your passwords strong?
16:07 🔗 nyany it was a straight up bruteforce
16:08 🔗 Frogging I've actually set up a modified openssh as a honeypot to see what kinds of passwords they try to use
16:08 🔗 SmolColle eythian: yeah, but we all know there always a possibility some vulns are "private", like all things are sometimes Forgging: yep, very strong
16:08 🔗 Frogging They're always bullshit passwords like "password" "admin" "minecraft" "password1"
16:08 🔗 SmolColle Frogging: yes, because they use a wordlist
16:08 🔗 Frogging yeah
16:09 🔗 Frogging so if your account gets brute forced, it's probably because your password was bad
16:09 🔗 SmolColle not for my case, ironically
16:10 🔗 SmolColle it was very secure, firewall, iptables, even had fail2ban, but after like 2 month or so, i notice a weird proces on htop, look and its a cronjob that bruteforce other servers from mine
16:10 🔗 SmolColle there no access logs either, they prob deleted it somehow
16:10 🔗 SmolColle (no i wasn't running root)
16:10 🔗 Frogging Yeah, it'd be interesting to know how they got in there
16:10 🔗 Frogging Maybe a vulnerable app?
16:11 🔗 SmolColle luckily i still have a sample of their "virus", encrypted somewhere, only managed to RE half of it, they did binary patching and stuff on rsync that came with it
16:11 🔗 SmolColle maybe? everything is possible, especially seeing as there so much vulns on nearly everything that get discovered, some even are still private
16:11 🔗 Frogging yeah
16:11 🔗 Frogging 0-days are rare, but they do exist
16:12 🔗 SmolColle they aren't rare, look on twitter :) you'll see dozens of opsec ppl bragging about their findings
16:12 🔗 SmolColle and that's only for the public one btw, private have tons of those
16:13 🔗 Frogging I don't know if I'd consider Twitter a great source
16:13 🔗 Frogging but yeah, I don't know
16:13 🔗 SmolColle wasn't really a great source, was mainly suggesting it as a "proof" to show how much stuff get discovered
16:14 🔗 SmolColle arkiver: mind looking at pm? thanks
16:19 🔗 nyany I ran a ssh honeypot for a while and some of the passwords they were trying were...
16:19 🔗 * nyany shrugs
16:19 🔗 nyany bad
16:19 🔗 nyany i had one day where everyone and their dog was trying the password "peter"
16:28 🔗 lunik1 I just disable password authentication
16:28 🔗 VADemon the worst part is the logical conclusion: if they still do/try that then they have good success with whatever they're doing
16:29 🔗 VADemon every time you see spam, phishing: yes, there're people who fall for it
16:29 🔗 Frogging yup
16:30 🔗 lunik1 I imagine a lot of it is just not changing defaults
16:30 🔗 lunik1 I wonder what the success rate needs to be to make a profit
16:31 🔗 VADemon thousands of sources in the botnet is the success rate
16:32 🔗 VADemon I still have 2FA'd steam acc with a leaked user:pass. There're still one chinese every other day who tries his luck
16:32 🔗 Frogging change the password then?
16:32 🔗 VADemon secondary acc, it's fun to receive emails :P
16:32 🔗 Frogging I see :p
16:57 🔗 nyany 2fa was mandatory on my steam account
16:57 🔗 nyany as in, i logged in one day and it was enabled, won't let me disable
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17:01 🔗 SootBectr Friendly hackers upping your security
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19:01 🔗 atphoenix nyany, was that a standard VirtualBox Warrior VM? I don't recall there being a password for us to setup when running that VM...
19:01 🔗 nyany atphoenix: no, it was a manually deployed warrior
19:01 🔗 nyany in the cloud
19:01 🔗 nyany running in docker
19:02 🔗 atphoenix okay, so nothing to worry about for the standard VBox Warrior :)
19:02 🔗 nyany Nope
19:02 🔗 atphoenix (it also has docker inside)
19:02 🔗 nyany Yeah, I'm getting ready to publish the script I wrote to provision these, it's a Linode StackScript
19:03 🔗 nyany So far it runs perfectly on Ubuntu 18.04, I'm testing with CentOS 7
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19:06 🔗 nyany Looks like it runs on CentOS 7 also
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19:08 🔗 nyany https://cloud.linode.com/stackscripts/626989
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23:31 🔗 JAA Does anyone here have advice for book digitising? I've been asked about an old and valuable book which has all the typical old book issues you'd expect (somewhat fragile, can't be opened fully and pages can't be pressed flat without damage either, some pages with text in the joint, etc.). Professional services are too expensive, so I'm looking for something DIY. (Something) (mumble) laser grid (...)
23:31 🔗 JAA camera, I guess, based on what I've heard before, but where can I find out more about the details?
23:31 🔗 VoyKnight Do you have the book physically?
23:31 🔗 JAA Yeah
23:32 🔗 VoyKnight Well how come you can't open it fully? *thinking*
23:32 🔗 JAA Or well, I can get ahold of it and do the digitising.
23:32 🔗 JAA It's an old book and would fall apart.
23:32 🔗 VoyKnight Did you check and see if its not already archived somewhere?
23:33 🔗 VoyKnight Saves you the time and effort
23:33 🔗 astrid i have a manual book scanner
23:33 🔗 JAA I can open it "fully", but I can't press it flat to fully scan it including the text in the middle.
23:33 🔗 VoyKnight Oh wow that's a sticky predicament
23:33 🔗 JAA This is a unique handwritten book. It's definitely not available anywhere else.
23:33 🔗 marked1 so old books get a special scanning vice that looks like the letter V extruded. more like 90 degrees
23:33 🔗 astrid JAA: where is the book physically?
23:34 🔗 JAA marked1: Yeah, but those usually use a glass plate to press it flat into a 100+ ° angle. That would probably damage the book.
23:34 🔗 astrid iirc archive.org has a public-access book scanner, some libraries do too
23:34 🔗 JAA astrid: Germany
23:34 🔗 astrid hmmm
23:34 🔗 marked1 the one I saw used cameras
23:35 🔗 nicolas17 >handwritten
23:35 🔗 nicolas17 that's extra fun
23:35 🔗 marked1 https://www.diybookscanner.org
23:36 🔗 nicolas17 I have seen devices to scan large books where it's impossible to press them flat just because of the book thickness
23:36 🔗 JAA marked1: Yeah, was just about to link that. As I said, those platen would damage the book.
23:36 🔗 nicolas17 pages remain inevitably curvy
23:36 🔗 nicolas17 so they have a mirror to let the camera see the outline of the page, and software to correct that curvature
23:37 🔗 marked1 I wouldn't use a platen like on that page
23:37 🔗 JAA Huh, haven't heard of setups with a mirror. Any idea what I could search for there?
23:37 🔗 nicolas17 I'm not sure if that works for delicate books
23:37 🔗 JAA Ah
23:37 🔗 nicolas17 I heard of it for like, 1000-page "books" with financial records that a company needs to digitize
23:37 🔗 astrid i have one and it is a challenge at times
23:37 🔗 marked1 do you know the page count?
23:38 🔗 JAA Not precisely, but 300-ish I guess.
23:39 🔗 marked1 I would check with the libraries in germany with old texts before trying to build diy
23:39 🔗 JAA Regarding not using a platen, I guess that's the main question, how to deal with the page warping. That's why I mentioned laser grids above, since I know that's used sometimes. I think Google used it on their book scanning project, for example.
23:40 🔗 JAA Yeah, probably.
23:40 🔗 marked1 photographic techniques have really improved since when Google did that mass book scan
23:40 🔗 JAA Sure, but physics haven't changed as far as I know. ¯\_(ツ)_/¯
23:41 🔗 JAA Can't dewarp if you don't have some indication of how the page is warped, and a laser grid seems like an easy way to achieve that.
23:41 🔗 nicolas17 yes
23:41 🔗 nicolas17 or looking at the book from the edge
23:42 🔗 JAA Hmm, what do you mean?
23:43 🔗 marked1 try to get us any image from the book, because blead through is another thing to factor in
23:43 🔗 nicolas17 JAA: that's what I meant with the mirror
23:44 🔗 nicolas17 if you look at the book from the bottom edge, you can see the curve of the paper
23:44 🔗 JAA Ah
23:44 🔗 VoyKnight Well meanwhile I've been managing my own archival project
23:44 🔗 nicolas17 assuming it's not curved in more than one dimension (folded/damaged pages would be a problem)
23:45 🔗 JAA No, the book seems to be in quite good condition in general.
23:45 🔗 JAA So that should be fine.
23:45 🔗 VoyKnight If I may ask JAA, why exactly is this book handwritten?
23:45 🔗 VoyKnight What's it about?
23:46 🔗 JAA marked1: Can't get an image currently, but I don't remember seeing bleed-through.
23:46 🔗 JAA VoyKnight: It's a family tree.
23:46 🔗 VoyKnight Oh? Of who?
23:46 🔗 marked1 https://archive.org/details/tabletopscribesystem
23:48 🔗 VoyKnight So marked1, do you archive anything?
23:49 🔗 JAA Just a random family, and I know some of them. Nobody "important", and nobody outside the family cares about this book.
23:49 🔗 VoyKnight Oh wow
23:49 🔗 marked1 just web stuff myself. though I have the hardware to do TV and radio
23:49 🔗 astrid uh i use an unwarp tool that works from a grid of red spots that you print out and then lay across the warped surface prior to taking images
23:50 🔗 astrid it requires no fancy hardware and also it exists
23:50 🔗 VoyKnight I archive old recovery media
23:50 🔗 JAA Oh yeah, I came across something like that before, hold on.
23:50 🔗 VoyKnight Pretty unique project. Nobody's ever dedicated their time to it.
23:50 🔗 JAA https://forum.diybookscanner.org/viewtopic.php?f=19&t=2589
23:50 🔗 astrid yeah that one
23:50 🔗 marked1 hm, red lasers are really cheap, shouldn't be hard to automated that
23:51 🔗 JAA Yeah, I guess if the warping is only in one direction (physically), that would work.
23:52 🔗 marked1 I feel like this is something LIDAR should do well
23:52 🔗 JAA I don't know much about LIDAR, but I somehow doubt it'll work well across distances like this.
23:52 🔗 VoyKnight What's a LIDAR?
23:53 🔗 nicolas17 VoyKnight: like RADAR but laser
23:53 🔗 VoyKnight Hm...nice
23:53 🔗 JAA You need *really* good time resolution for that to work at ~1 m.
23:53 🔗 nicolas17 but the problem of light is that it moves fast :)
23:54 🔗 marked1 VoyKnight search google images for LIDAR
23:54 🔗 JAA There are LIDAR scanners to e.g. 3D-scan rooms, but I'd expect that they're pretty expensive.
23:55 🔗 VoyKnight Do any of you have Discord?
23:55 🔗 VoyKnight I kinda wish ArchiveTeam had a Discord
23:55 🔗 JAA Fuck Discord.
23:55 🔗 nicolas17 we're already split into two IRC servers
23:55 🔗 nicolas17 no need to split more
23:56 🔗 JAA That, and Discord has some fundamental problems that are completely contradictory to everything AT is about.
23:58 🔗 VoyKnight nicolas17 do you archive anything?
23:58 🔗 JAA On another note, I see that the only snapshot of https://forum.diybookscanner.org/viewtopic.php?f=19&t=2589 in the WBM is by ArchiveBot from 2017. :-)
23:58 🔗 JAA Because astrid threw that forum in. <3
23:58 🔗 nicolas17 I have uploaded a few DOS games I have
23:58 🔗 nicolas17 need to get back to that...

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