Bölümler
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Subscribe to Hacker Talk and listen to the latest episodes at:
https://anchor.fm/hacker-talk
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In this episode of Security Headlines we deep dive into fuzzing with Patrick Ventuzelo.
topics that we cover:
being niched in cyber security
patricks background, doing pentests on telecom networks, doing security research on the android kernel for the french DoD, reverse engineering, development
Zero days in the android kernel
choicing a target when fuzzing
blackbox and whitebox fuzzing
fuzzing golang projects
fuzzing rust projects
setting up fuzzing enviroments
webassembly security
fuzzing webassembly
invalid web assembly opcodes
the next generation of browser exploits
javascript runtimes
exploiting webassembly in the browser
fuzzing blockchain applications
how to write a fuzzer
what to look for while fuzzing
fuzzing javascript
writing fuzzers in python
ataris fuzzer for python code
libfuzzer
llvm
analysing code repositories and finding bad patterns
golang built in fuzzing(go-fuzz, fuzzing draft)
fuzzing ethereum solidity smart contracts
fuzz bench by google
fuzzing the android kernel
beacon fuzz
reporting security bugs
github security advisory
favorite security conferences
External links:
https://fuzzinglabs.com/
http://stackoverflow.com/questions/43153964/ddg#43154559
https://www.youtube.com/channel/UCGD1Qt2jgnFRjrfAITGdNfQ
telegram fuzzlab lab
https://googleprojectzero.blogspot.com/2021/01/in-wild-series-chrome-exploits.html
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Eksik bölüm mü var?
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In this episode of Security Headlines, we are joined by Jay Townsend who is
maintaining several infosec tools such as the harvester and discover.
The harvester is a very popular tool for doing Osint analysis. Tune into this episode
as we deep dive into Osint, the opensource information gathering realms.
In this episode we cover:
what is osint and how can we use it?
discover, lee baird
the harvester
dnsrecon
bash
python
backtrack
wifi security, wep
wifi pineapple, bash bunny, hack5
hack the box, try hack me, hack this site.org
sysadmin, ansible
finding passwords in log files
how to apply security hardenings, systemctl hardenings
running weekly security scans
bug bounties
penetration tests
finding old applications in production
burpsuit
using the harvester
harvester in kali linux, parrotsec, blackarch and debian
porting the harvester to python 3
screen-shooting websites with the harvester
hidden features in the harvester
fierce dns hacking
dnsrecon
how to perform osint analysis on yourself and others
how to protect yourself against osint attacks
using throw away email addresses
how to use osint during penetration tests
python development
docker
linux firmware, wifi drivers
visual code
the latest windows exploits
Links:
https://en.wikipedia.org/wiki/PyCharm
https://www.parrotsec.org/
https://github.com/leebaird
https://www.youtube.com/watch?v=F9UZdPokkhw
https://github.com/laramies/theHarvester
https://www.bleepingcomputer.com/news/microsoft/microsoft-shares-workaround-for-windows-10-serioussam-vulnerability/
https://en.wikipedia.org/wiki/Open-source_intelligence
https://twitter.com/jay_townsend1
https://bloodhound.readthedocs.io/en/latest/
https://www.ansible.com/
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In this episode of Security Headlines, Kolja Weber the creator of flokinet.is joins us.
In this episode we talk about:
flokinet
internet privacy
german pirate party
internet privacy laws
Iceland
starting an internet service provider
running an internet service provider
ipv4 addresses
adoption of privacy friendly tools
handling abuse requests
starting an internet service provider
RIPE
denial of service attacks
mitigating denial of service attacks
starting a privacy focused internet service provider
DNS amplification attacks
security
free speech
adoption of https, starttls and dkim
external links:
https://flokinet.is
https://twitter.com/frelsisbaratta
https://www.afrinic.net/
https://ripe.net
https://en.wikipedia.org/wiki/RIPE_NCC
https://en.wikipedia.org/wiki/AFRINIC
https://letsencrypt.org/
https://www.qubes-os.org/
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In this episode of Security Headlines, we are joined by Michael Dubell who co-founded Sweden's first student security
capture the flag team. What is capture the flag and how do you play it? How can you into hacking through the doors of playing
ctf's? Michael started playing around with security as a teenager and the journey led him the capture the flag team, known
as "ChalmersCTF".
Today, Michael is working with security during the day, and during the night he is developing the soon to
be released "bountrystrike"(which you can find on bountystrike.io) tool.
Tune in as we talk about CTF, and a lot more!
In this episode we cover:
halo one online
wallhack
war games
hacking on forums
hack this site
over the wire
https://www.hellboundhackers.org/
chalmers
chalmers CTF
how to start a "capture the flag" team
organizing capture the flag meetups
beginner ctfs
over the wire
the capture the flag scene in Sweden
over the wire
whitebox pentesting
bug bounties
automating scanning and automating bug bounties
vulnerability management
finding bugs in bug bounty programs
## External links:
https://github.com/search?q=capture%20the%20flag%20writeups&type=Everything&repo=&langOverride=&start_value=1
https://github.com/zardus/ctf-tools
https://ctftime.org
https://chalmersctf.se/
https://overthewire.org
https://twitter.com/StevenVanAcker
https://bountystrike.io/
https://dubell.io/
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In this episode of Security Headlines, we are joined by one of the minds behind the OpenBSD project, Antoine Jacoutot. He is responsible
for porting over 300 packages into OpenBSD. He is also involved in syspatch which handles security binary upgrades for OpenBSD.
Tune in, as we talk about development, security, programming, OpenBSD and a lot more!
## Topics that we cover:
OpenBSD's community
opensource
rcctl
init systems
classic BSD
background daemons in OpenBSD
OpenBSD desktops in the wild
companies running OpenBSD
writing shellcode
openup
binary patches in OpenBSD
How OpenBSD handle security issues
how security binary patches are carried out.
syspatch
porting software to OpenBSD
Gnome on OpenBSD
OpenBSDs future with Amazon AWS
sysmerge
submitting feature requests to OpenBSD
tmux
advice for first-time OpenBSD users
## External links:
https://www.OpenBSD.org/errata.html
https://bsdfrog.org/
https://twitter.com/ajacoutot
https://OpenBSD.org
https://gnome.org
https://www.OpenBSD.org/faq/ports/ports.html
https://man.OpenBSD.org/syspatch
https://man.OpenBSD.org/sysmerge
https://github.com/ajacoutot
https://man.OpenBSD.org/rcctl
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In this episode of Security Headlines, we are joined by a great mind in the
memory security space. A spark was created when Theofilos peaked
into the realms of security. So he packed his bag and got to the next plane to the US in order to deep-dive more into the security field during
his studies. He became fascinated by the world of writing exploits
and "smashing the stack" as we say in the hacking field. He is a
brilliant guy when it comes to memory attack and he has co-written a
solution that solves the stack canary problem.
We had the chance to sit down with Theofilos Petsios and
get to hear his view on security, development and a lot more.
That you can tune into right here:
Stack canaries is a security mitigation technique that has been widely
adopted and you will find it in most systems today. But does it really work?
Topics that we touch upon in this episode:
Stack canaries
Address layer space randomization
Blind Return Oriented Programming (BROP)
Return Oriented Programming
Static code analysis
Rest in peace Andrea Bittau
security mitigations
Write Xor Execute(W^X)
Dynaguard
Where stack canaries fail and the operating systems approach to it.
hardening systems
where the future of security is going
CVE's over time
Memory corruption bugs
builtin security in the compilers
Security vs Overhead
Using memory in the Thread-local storage
adoption of security mitigations
stack clash
Pin, Intel's dynamic binary instrumentation framework
Defense Advanced Research Projects Agency
whitepapers and Proof of concepts
Fuzzing
building better security tools
Cost vs benefit in the security field
Switching from userspace to kernel space mitigations
linters
secure codebases
formal verifications
"Stack canaries is just one little stone, one a the beach that keeps getting hit by big waves"
External links
https://twitter.com/theofilospe
https://www.cs.columbia.edu/~theofilos/files/slides/dynaguard.pdf
https://www.cs.columbia.edu/~theofilos/files/papers/2015/dynaguard.pdf
http://www.scs.stanford.edu/brop/
http://www.scs.stanford.edu/brop/bittau-brop.pdf
https://github.com/nettrino/DynaGuard
https://software.intel.com/content/www/us/en/develop/articles/pin-a-dynamic-binary-instrumentation-tool.html
https://github.com/nezha-dt/nezha
https://llvm.org/docs/LibFuzzer.html
https://github.com/nettrino/vimconf
https://capsule8.com/blog/millions-of-binaries-later-a-look-into-linux-hardening-in-the-wild/
https://youtu.be/Er44ur7wkXQ?t=44
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Jonas Lejon is an amazing mind in the Swedish security world. A
great entrepreneur, hacker, and security-expert!
We had the pleasure of talking with him in this episode of Security Headlines.
he wanted to specialize in security so he packed his bag and headed over
to the capital city to work more in-dept with security. He wanted to
go deeper and deeper, so spent his extra hours learning the assembly programming
and getting into the low-level brain of the computer system. He managed
to land a job working for the Swedish version of NSA.
Jonas now runs his own company called "Triop" and has a lot of fun side
projects that we dig into.
In this episode we also cover:
Micro blogging
building search engines
bloggz dot se
Getting over 20K users within a few weeks
Twitter in the early days
Building Sweden's biggest micro-blogging platform
testing in production
WordPress Security
bug bounties
Finding security holes in Zoom
writing about encryption and security
fuzzing
Hacking Bluetooth
ISOC-SE
the swedish top level domains .se and .nu
the internet in Sweden
beatboxing
pentesting
enumerating existing users based on validation time
updated, security by default systems
network logging
Programming
leaving python 2
Customizing Kali linux
Time-of-check to time-of-use attacks
writing exploits
## External links:
https://triop.se
https://kryptera.se
https://web.archive.org/web/20081102073248/http://bloggz.se/
https://web.archive.org/web/20110630210858/http://bloggy.se/
https://en.wikipedia.org/wiki/Memcached
https://wpsec.com/
https://utvbloggen.se/
https://se.linkedin.com/in/jonaslejon
https://www.youtube.com/channel/UCI49rLPi_Lbbux5eo8ewLKA
https://en.wikipedia.org/wiki/Dave_Aitel
https://github.com/SofianeHamlaoui/Spike-Fuzzer
https://isoc.se/
https://internetstiftelsen.se/en/
https://www.netnod.se/
https://en.wikipedia.org/wiki/Kali_Linux
https://en.wikipedia.org/wiki/Arcade_Fire
https://en.wikipedia.org/wiki/Time-of-check_to_time-of-use
https://github.com/juliocesarfort/public-pentesting-reports
https://www.hackerone.com/
https://www.bugcrowd.com/
https://twitter.com/jonasl
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In this episode of Security Headlines, we are joined by one of Gothenburg's security evangelist, Mr Johan Rydberg Moller.
Johan is the cofounder of Gothenburg's own security conference *Security Fest*, sakerhetspodcasten - the first swedish security
podcast, hacker, explorer, and musician. We get to hear the tale of how Johan got sucked into the world of hacking, that
has been his home for a lot of years now, as well as adventures with publicly disclosing security holes in some of
sweden's biggest websites. This and a lot more in this episode of Security Headlines:
## In this episode we cover:
learning web security when web security was a new thing
Reporting security vulnerabilities.
life as a web developer.
finding security holes in the top 100 websites in Sweden.
PHP security
cofounding assured
starting the "security fest" conference
tattooing the conference logo
starting the first Swedish security podcast
pentesting
gothenburg
owasp
web caching attacks
## External links
https://twitter.com/JohanRMoller
https://securityfest.com
https://sec-t.org
https://www.assured.se/
https://securitywithoutborders.org/blog.html
https://portswigger.net/burp
https://portswigger.net/research
https://www.youtube.com/watch?v=zP4b3pw94s0
https://www.theverge.com/2020/3/24/21192830/apple-safari-intelligent-tracking-privacy-full-third-party-cookie-blocking
https://soundcloud.com/johanrm
https://www.dagensmedia.se/medier/digitalt/soderhavet-kritiseras-for-sakerhetshal-6176181
https://sakerhetspodcasten.se/lyssna/
https://owasp.org/www-chapter-gothenburg/
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In this episode we are Joined by the developer, hacker and Code Siren founder Eijah.
We walk down a road of 2 hours of honest conversation about Development, Morals,
working with McAfee, Hacking, Motivation, Mental Health, Security and a lot more!
Eija, an advocate for privacy and individual rights, quit a well paid job at rockstar games to start on a
journey pursuing what he loved. He went on a journey with the goal of creating technology that
enhance personal liberty and freedom. The journey has had its bumps in the road but he as continued
marching forward, despite various problems. Today, Eijah runs a software company called CodeSiren.
Working on revolutionary technology
In this episode we cover:
hacker spirit, engineer, tinkerer
C++, Java
Max payne 3, Red Dead Redemption, grand theft auto 5
programming for the love of it
game developer,
Working at rockstar, life at rockstar
life as a developer
hacking blueray and finding the blueray device keys
Large code bases, code maintenance, clean modular code
your code is your documentation
Xbox360 vs Playstation 3
The failures of VPN companies, selling people's private companies.
Drinking pints, in Edinburgh
Starting and developing demonsaw
file sharing
privacy
traffic obfuscation and traffic subterfuge, bypassing deep packet inspection
great firewall of china
Surveillance
Privacy
Cryptography
Censorship
John Mcafee
Being a senior programmer
"My greatness stems from not having achieved what I am here to achieve" - Eijah
## External links:
https://twitter.com/demon_saw
https://codesiren.com
https://demonsaw.com
https://en.wikipedia.org/wiki/Commodore_VIC-20
https://darknetdiaries.com/episode/16/
https://en.wikipedia.org/wiki/Advanced_Encryption_Standard
https://en.wikipedia.org/wiki/CPU_time
https://forum.doom9.org/
https://www.reddit.com/domain/forum.doom9.org/
https://en.wikipedia.org/wiki/Hackers_(film)
https://en.wikipedia.org/wiki/Dunning-Kruger_effect
https://en.wikipedia.org/wiki/Impostor_syndrome
https://en.wikipedia.org/wiki/Allocator_(C%2B%2B)
https://en.wikipedia.org/wiki/PlayStation_technical_specifications
https://www.nextplatform.com/2019/01/24/unified-memory-the-final-piece-of-the-gpu-programming-puzzle/
https://www.youtube.com/watch?v=lTngMxmymX4
https://www.youtube.com/watch?v=fMfQQoHHLBA
https://steelpantherrocks.com/
https://www.youtube.com/watch?v=WjElZ-O9EpM
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In this episode of Security Headlines, we are joined by
the Hacker Johnny Xmas. Johnny is a very interesting character
with a lot of fun projects behind him.
Join us as we get to hear Johnny's stories as we deep dive
into this weeks episode of Security Headlines:
## Venmo
After giving a talk about it and releasing software that made everyone
able to easily abuse this, Luckily venmo took action and limited the
amount of data avaliable. Johnny found a way to generate api keys with
just making a simple request to the
## Bypassing Webb application firewalls
A lot of firewalls just focus on IP filtering which is a huge problem
when, in todays world it is really easy and cheap for a consumer
to aquire a large sets off ip addresses.
One provider of proxied ip addresses is Hola VPN that lets their free
users act as exit nodes that they sell using platforms such as luminate.
Other people have adopted this approach but with mobile development toolkits.
## Grimm
Johnny is currently working for the security engineering firm Grimm, a company known for its involvement in the ICS(Industrial control system) security work.
Currently working on developing
Grimm is currently hiring people, do you want to get paid to develop security training platforms ?
then Grimm is the place for you!
External links:
https://twitch.tv/j0hnnyxm4s
https://twitter.com/J0hnnyXm4s/
https://www.youtube.com/c/JohnnyXmas/
https://github.com/johnnyxmas/Talk_Decks/tree/master/2019/Sorry%20about%20your%20WAF
https://ghost.express/
https://www.cnbc.com/2020/05/07/zoom-buys-keybase-in-first-deal-as-part-of-plan-to-fix-security.html
https://www.twitch.tv/mr_horologist
https://twitter.com/cigarsec
https://www.icsvillage.com/
https://www.grimm-co.com/careers
https://en.wikipedia.org/wiki/Venmo
https://www.technowize.com/grindr-security-flaw-lets-anyone-hijack-user-accounts/
https://en.wikipedia.org/wiki/Principle_of_least_privilege
https://en.wikipedia.org/wiki/Branched-chain_amino_acid
https://opihr.com/
https://en.wikipedia.org/wiki/Sub7
https://nmap.org/book/man-nse.html
https://en.wikipedia.org/wiki/Less_Than_Jake
https://en.wikipedia.org/wiki/Oh,_Sleeper
https://luminati.io/
https://selenium.dev/
https://blog.firosolutions.com
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In this podcast episode of Security Headlines: Carl Lerche, Rust developer and
maintainer of the popular Rust programming library Tokio joins us.
He walks us through what Rust and Tokio is, how companies are building their stacks with Rust.
This and a lot more on this episode of Security Headlines!
Carl heard about this new programming language called Rust and wanted to check it out.
What started as a hobby project led Carl down the rust path and he now works for Amazon as a
Rust developer! Helping Amazon build stable infrastructure.
We get to hear the story of how Tokio got started and how the Rust programming language has changed
over the years.
Since a large chunk of Tokio code is focusing on making it easy for developers to write asynchronous functions.
And be able to write fast code that does not get stuck and lets the data flow.
But how does non-blocking code really work? What differs Rust from the programming language Golang is
Golangs, adoption of green threads instead of using regular threads.
Carl walks us through how this works and how Rust tackles this problem "the Rust way".
Do you want to build reliable network services with Rust?
Then Tokio is something you should check out, try out the new 0.3 release here:
https://github.com/tokio-rs/tokio/releases/tag/tokio-0.3.1
In this episode we also cover:
slowing down syscalls to protect against Spectre
async syscalls with io-uring
building high-performance systems with non-blocking sockets
writing code without syscalls
getting started with Tokio
async operating system api's
how to start coding with tokio
External links:
https://doc.rust-lang.org/stable/rust-by-example/
https://discord.gg/tokio
https://tokio.rs/
https://twitter.com/carllerche
https://github.com/tokio-rs/
https://github.com/tokio-rs/io-uring
https://blogs.oracle.com/linux/an-introduction-to-the-io_uring-asynchronous-io-framework
https://www.howtogeek.com/338269/a-huge-intel-security-hole-could-slow-down-your-pc-soon/
https://www.rustaceans.org/
https://rust-lang.github.io/async-book/
https://github.com/tokio-rs/mini-redis
https://pop.system76.com/
https://rust-analyzer.github.io/
https://en.wikipedia.org/wiki/Epoll
https://twitter.com/tokio_rs
https://github.com/carllerche
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HD is a very interesting character, founder of Metasploit, security researcher, phone phreak, ruby hacker
and the founder of the company rumble!
He joins us in this episode to tell us the story of Metasploit, making security research
and internet scanning more accessible and normalized.
HD picked up an interest in computers and the telephone system at an early age and
spent his time reading ezines, 2600 and other magazines that talked about the force of technology and the
creative exploring we know as hacking.
The passion went from just making silly screen savers to starting to play with, the analog phone system.
Phreaking away on the phone lines and using the knowledge to travel wherever he wanted, on the phone lines.
In 2003, at the time where the internet still was young and the security research where kept in the dark.
HD wanted to shine some light on this and instead of commercializing and building a proprietary product he
created metasploit. In order to make exploits easy to use and available for the business side and the hobbyist.
HD received a lot of push back for doing this. A lot of people did not want to make security tools and techniques
available for the wide majority to use. They tried to get him fired, hares him and a lot more :/
This mob of angry people did not stop him from keep working at metasploit. Countless hours were spent porting
exploits to it. Making them easier to use and more accessible for everyone to use.
A couple of years later the metasploit project got bought up by the US-based company "rapid7"
which is home to several security related projects.
One of these interesting projects is Project Sonar. Project Sonar is continuously scanning and indexing
the entire internet. Creating a huge map of every device on the internet that you can search on based on timestamps.
Like a modern-day time-machine for exploring devices on the internet. This can be used for keeping track of
types of things, such as tracking Hillary Clinton's email server.
Exploring the internet on a larger scale like this of course does not come without finding a lot of interesting
things, HD tells us about the time he found a surgical robot that was being used for operating on people
with a publicly accessible web interface. Luckily this was quickly reported and fixed!
Evolution is pushing innovation and scanning the entire internet, which was very hard to do a
while back is now not only cheap but can also be done in a couple of hours.
Today HD is the CEO of a company called Rumble, and has gone from exploring the public internet to
exploring the inner realms of intranets and internal networks.
External links:
https://www.rumble.run/
https://www.metasploit.com/
https://www.rapid7.com/research/project-sonar/
https://en.wikipedia.org/wiki/SAINT_(software)
https://www.hdm.io/
https://github.com/hdm
https://2600.com/
https://en.wikipedia.org/wiki/WarVOX
https://zmap.io/
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In this episode, we talk with Maksymilian Arciemowicz, security research
that has found bugs in a large chunk of systems, active in the security field
since 2005. He is the founder and maintainer of cxsecurity which is a website
that index and host security vulnerabilities for everyone.
Cxsecurity is home to a lot of exploits and security research, in this episode
we get to hear the story of how it got created by its founder Maksymilian!
One of these types of communities is a mailing list called bugtraq.
Maksymilian learned how to find security bugs thanks to that mailing list and
soon after finding his first couple of bugs he teamed up with a friend to start a
website called *securityreason.com*. SecurityReason took the security research from the mailing list
and displayed it in a nice web interface.
The two founders wanted to go different ways, Maksymilian wanted the research to stay open and not
commercialize on it.
The website got shutdown and Maksymilian forked it into a new better version called cxsecurity.com!
In nature, the power lays in the entity with the most muscles but on
the internet, the power is in the person with the most knowledge, the power comes
from the intellect. Whoever comes up with new ideas and is able to prove it wins
the intellectual battle, Maksymilian explains.
Since 2005 Maksymilian has been able to find security holes in:
* IPFilter in openbsd, which was used before they switched to
* Freebsd
* Magento
* Mac osx
* phpmyadmin
* PHP
* NetBSD
* Vsftpd
* apache
* Solaris
* Thunderbird
* Opera
* libc
and a lot more!
We are super happy to have a true hacker spirit with us in this episode
on Security Headlines!
In this episode, we cover topics such as:
How the security landscape has changed since 2005 and how easy it was
to hack back then.
Using regular expressions to make security research better and faster!
How to submit security exploits to software vendors.
CVE, lack of description
Stories from the heart of the security scene
Suricata and Artificial Intelligence
How to protect your systems.
Development and a lot more!
static code analyzer, he has written his own static code analyzer for PHP.
We of course sidetrack a bit into OpenBSD and when a person such as Maksymilian says:
*OpenBSD is the most secure operating system in the world*
We can just smile :)
External links:
https://cxsecurity.com
https://cifrex.org
https://cxib.net
https://www.exploit-db.com/history
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Summary:
In this podcast episode of Security Headlines our host talks with Kristaps Dzonsons, a long time
OpenBSD user, writer of beautiful software and deep water diver.
We cover a lot of software development, security, the BSD space and of course diving.
Security is something that is very hard, we are all human and mistakes happen.
In 2014 at a EuroBSD conference, Kristaps
gave a great talk about what we should think about when we want to
produce safe code.
One of the things he highlights is that ideally, we should:
Write defensive code, use a team of code auditors, QA
Use up-to-date, audited libraries with a history of attention to security
use a language with formal underpinnings and proof of correctness
run on systems supporting your defensive strategy
And while we're at it, we might as well ride our unicorns to work.
Unfortunately this workflow is not yet adopted. But since the tools are getting
smarter and smarter, more and more people are adopting fuzzing and the ecosystem is evolving.
There is a lot of reasons to be optimistic about the future!
One thing we can do to make our programs a bit safer is to look at each
part of the program and ask ourselves, does this part really need
privileges to do these things? Luckily a great new innovation from OpenBSD comes riding
in like a knight in shine armor, like a hero in a medieval movie.
And its name is Pledge, pledge allows your program to easily predefined the access rights it
needs and if it breaks the promise, the process dies.
It's an easy to use way to approach the entire Mandatory Access Control swamp...
Pledge
Originally implemented as Tame in OpenBSD, but rebranded as Pledge in OpenBSD's 5.9 release.
Pledge makes security a lot easier for the developer! If you want a function you have to
only have the privileges of being able to open files or something similar. Pledge makes it super-easy for
you as a developer to in 3 lines of code, in order to only allow a function to do what its suppose to do and
nothing more, so when attackers come and manipulate your function to do other things, Pledge comes riding in
and kills the process, no questions asked!
Kristaps has implemented both Tame and Pledge into production and we get to hear his advice
on how to do it.
Pledge adoption is growing and growing, and you can use it with a large number of programming
languages. Just search for pledge and the programming language of your choice and someone has
most likely made a library for it.
External links:
https://kristaps.bsd.lv/
https://github.com/kristapsdz
https://learnbchs.org/portability.html
https://man.OpenBSD.org/acme-client.1
https://kristaps.bsd.lv/kcgi/
https://kristaps.bsd.lv/sqlbox/
https://man.OpenBSD.org/pledge
https://man.OpenBSD.org/unveil
https://en.wikipedia.org/wiki/Scuba_diving
https://en.wikipedia.org/wiki/Freediving
https://kristaps.bsd.lv/openradtool/
https://www.openrsync.org/
https://asiabsdcon.org/
https://www.eurobsdcon.org/
https://www.bsdcan.org/
https://bsd.lv/
https://man.OpenBSD.org/sysmerge
https://man.OpenBSD.org/OpenBSD-5.8/tame.2
https://manpagez.com/man/3/sandbox_init/
https://en.wikipedia.org/wiki/Systrace
https://en.wikipedia.org/wiki/UFRaw
https://en.wikipedia.org/wiki/Diving_reflex
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Summary:
In this podcast episode, we interview Mischa Peters which is a long time
BSD user with a background in the world of data centers and ISP's.
One of his latest projects is OpenBSD Amsterdam which is a pure-hearted
OpenBSD virtual machine hosting provider. That is running 100% OpenBSD,
it's even using OpenBSD's own hypervisor. We deep dive into
OpenBSD Amsterdam, scripting with ssh, awk, and the basic tools, BSD, Hack-tic and
a lot more!
OpenBSD Amsterdam is one of the many interesting projects in the BSD space.
Being a pure hearted OpenBSD virtual machine provider. The project launched as a hobby project by
Mischa Peters in 2018 and the first month already 40 people where interested in spinning up a virtual machine
with OpenBSD Amsterdam.
What makes it special is that it runs OpenBSD own Hypervisor, unlike the majority of hosting platforms that
run qemu/kvm or Xen.
So what you get is an OpenBSD virtual machine running on OpenBSD host. So it's OpenBSD all the way.
Mischa started playing around with this new hypervisor project for fun and wanted to do something
bigger with it, Having a background running servers in datacenters as well as running his on internet service
provider(High5) which he started in 1999.
In this episode, we also get to know how it was to work for Xs4all in the 1990'ies. Xs4all is a Dutch internet
service provider that came out of the *Hack-tic* scene.
Which was a Dutch hacking community and magazine that where active between 1989 and 1994.
This scene has been very active, creating conferences, being a voice
for internet activism, suing the Church of Scientology and much more.
Mischa, like many others, got introduced to SunOS Unix systems in school and went deeper and deeper into the
Unix based rabbit hole. He ended up running Redhat and then found the wonderful world of BSD and
was liberated from Linux through the adoption of FreeBSD.
Mischa is the kind of person that handles the juggle between multiple projects demanding projects, a
day job, a family with kids, a much more.
We also talk about performing automated package management
on OpenBSD, doing kernel upgrades, and automating things with simple command-line scripting.
Sometimes Ansible is just a mess and the same thing can be done simpler with just a for loop
some ssh and some basic command line hacking.
Thanks to the OpenBSD Amsterdam project, a large chunk of cash has been donated to the OpenBSD
foundation which helps the development of OpenBSD moving further.
But most important: It's helping the adoption of OpenBSD!
Do you want to learn BSD? Host your own email? Setup Wireguard?
Then OpenBSD Amsterdam is a good start for you.
External links:
https://openbsd.amsterdam
https://rgz.ee/m/
https://man.openbsd.org
https://en.wikipedia.org/wiki/XS4ALL
https://en.wikipedia.org/wiki/Hack-Tic
https://why-vi.rocks
https://en.wikipedia.org/wiki/SunOS
https://www.osmocom.org/projects/retro-bbs/wiki/Livingston_Portmaster_3
https://en.wikipedia.org/wiki/Joe
https://high5.nl/gist/rdist.html
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In this episode of Security Headlines, we jump into curl with
its founder and maintainer Daniel Stenberg.
We talk security, CI systems, creation of curl, Fuzzing, IRC bots and a lot more!
Few software developers never even get near to having one
of their projects being picked up by a larger community.
A project that started as a currency plugin to an IRC bot.
Spun off and ended up becoming bigger and bigger resulting in being
adopted by over 10 billion devices. Well, this project is called
curl! Curl is known to be the stable swizz army knife that can
be used for making various types of transfer requests.
Need to download a file? Curl is here for you
Need to test a socks5 proxy? Curl is here for you
Need to download an ezine over Gopher? Curl is here for you
Need to test a unix socket? Curl is here for you
In this episode of Security Headlines, we are joined by Daniel
Stenberg who is the founder and maintainer of Curl.
He has even been awarded a gold medal by the Swedish king for
his work with Curl.
External links:
https://curl.haxx.se/
https://curl.haxx.se/docs/security.html
https://en.wikipedia.org/wiki/CURL
https://twitter.com/bagder
https://www.wolfssl.com/
https://daniel.haxx.se/
https://bugs.chromium.org/p/oss-fuzz/issues/list?sort=-opened&can=1&q=proj:curl
https://en.wikipedia.org/wiki/Gopher_%28protocol%29
https://curl.haxx.se/mail/
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In this episode, we are all about FreeNas, the world's largest NAS system, running FreeBSD as its base.
The founder of FreeNas Olivier joins us, walking us throw how FreeNas started and how the system
has grown since its start in 2005. The conversation takes us through the jungle of FreeNas and we end up
landing in Netflix's land of FreeBSD adoption and Olivier's latest project the BSD router project.
Sit back, relax, and enjoy this episode of Security Headlines.
We are back with another episode in the BSD theme episode!
In this podcast episode, we are talking about FreeNAS, the worlds biggest Network-attached storage(NAS)
operating system.
And we of course have the founder of FreeNAS with us, Olivier Cochard-Labbé!
Olivier started FreeNAS in 2005, with not a lot of knowledge on how to do it but with a determintation
of creating a multimedia system that he could use.
He wanted something small so he tried to compile
[busybox](https://en.wikipedia.org/wiki/BusyBox) but failed, he kept on trying and ran into FreeBSD!
He named the system FreeNAS and the first month he was able to get a bit over a thousand downloads, which
is very impressive for a new project.
The project grow and grow and it attracted a big community taking up to much of Olivier's time.
This became harder and harder, Especially when you have a family and a full-time
job and other hobbies to attend.
Olivier was getting more and more to do as the project became bigger. One particular example of this
that he brings up is a security bug that was very severe and of course filed on a Friday.
The security hole was a critical one, FreeNAS allowed root console access from the web interface
without requiring authentication.
The company *iXsystems* offered to allocate some developers to work on FreeNAS and Olivier
handed over the FreeNAS project to them with the requirement that it shall remain free and opensource!
Olivier is currently working for Netflix, helping them stream movies to the world using
the raw power from the FreeBSD operating system that runs Netflix's Content Delivery Network.
Join us as we jump into the wonders of FreeNAS, the BSD router project, and a lot more!
External links:
https://bsdrp.net/
https://www.freebsd.org/
https://www.freenas.org/
https://www.netflix.com/
https://yandex.com/
https://www.freebsd.org/doc/en/articles/nanobsd/index.html
https://en.wikipedia.org/wiki/M0n0wall
https://www.freshports.org/net/bird/
https://www.freebsd.org/doc/handbook/firewalls-ipf.html
https://www.openmediavault.org/
https://en.wikipedia.org/wiki/ZFS
https://en.wikipedia.org/wiki/WireGuard
-
In modern stacks, a large chunk of applications run in container environments
such as docker and systemd-nspawn. However, these applications are not built for security.
The security community has proven it again and again that privilege escalation attacks
are very serious with attacks such as Dirty Cow and CVE-2016-3135.
A way to tackle the problems of running applications with a low privilege user without
that application being able to interact with other running applications is to use *user namespaces*.
Using user namespaces you can hide process id's to the applications and provide a more sandboxed environment.
Alex wanted to the distribution of multiplatform applications easy
which led him to sandboxing and namespaces, today he
maintains the "chroot on steroids" project *bubblewrap* which is a sandbox platform for running
sandboxed applications in different namespaces.
Alex is also a long time user of Linux, with 20 years working for Redhat.
He started to code on the commodore 64 and has been a developer ever since. In school he
got introduced to Solaris and jumped deeper and deeper into Linux rabbit hole.
Working on Linux allows Alex to work from home in the suburbs of Stockholm
and work on programs that get used by a global user base.
In this episode, we talk about how it has been to work on sandboxed
desktop applications and how flatpak has grown.
So far there a has been a handful of different CVE's for bubblewrap
that we talk about.
Flatpak has gotten bigger and bigger and "flathub" has come to see the light
, flathub is a place where all Linux users can get sandboxed desktop
applications.
Flathub is running on a stable Rust backend, Alex picked Rust to be the backend as one of his first larger Rust projects.
We of course talk about how Rust is becoming more part of our daily lives
as more and more applications are being ported to it, like librsvg journey from being written in C to now being a rust code base, as well as libraries
being written in Rust.
If you are maintaining an application with a graphical user interface and you target
an audience that is running Linux on the desktop, we recommend
that you get your application on flathub.
Here is a guide on how you can do that:
https://github.com/flathub/flathub/wiki/App-Submission
This podcast was made possible with running zoom with flatpak:
$ flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
$ flatpak install flathub us.zoom.Zoom
$ flatpak run us.zoom.Zoom
External links:
https://github.com/containers/bubblewrap
https://flathub.org/home
https://en.wikipedia.org/wiki/Slirp
https://github.com/rootless-containers/slirp4netns
https://podman.io/
https://github.com/GNOME/librsvg
https://blogs.gnome.org/alexl/
https://twitter.com/gnomealex
https://lkml.org/lkml/2016/3/9/555
https://lwn.net/Articles/657744/
https://blog.firosolutions.com/
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Tarsnap is a backup service running with the slogan "Online backups for the truly paranoid".
The service has well earned its slogan as a secure backup option.
Created in 2006 by at the time FreeBSD's security officer Dr. Colin Percival, who was responsible for FreeBSD's security advisory.
Colin is not only a successful entrepreneur but also a dedicated FreeBSD user.
Colin has been getting his hands dirty with FreeBSD in the late 1990'ies when the firewall in his family house
running openbsd crashed due to disk failure. After changing the disk he did not manage to
figure out how to install OpenBSD so he went with FreeBSD. While studying for his doctrine, he got concern
about security, that led him to use freebsd where he later jumped on as FreeBSD security officer.
Being the FreeBSD's security officer gave him knowledge of security holes before anyone else did and
he needed a secure backup solution for storing his files. After some head scratching, he decided to
go the startup route and create his own backup solution. After getting several user requests about having
password-protected key storage, Collin created Tarsnap's secure cryptographical solution for
protecting keys called "Scrypt", which later got picked up by several opensource
projects such as the cryptocurrency project Litecoin.
Colin is a very intelligent and trustworthy person, to improve security when connecting
and staying connected between machines he creates spiped. Adding a layer of safety on top of just using regular
ssh, to mitigate attacks and weaknesses caused by OpenSSL.
Because scrypt has a heavy resource need, making it hard for attackers to crack, it became a more secure alternative then the standard hash functions we use in modern systems such as sha1 and md5.
The project started to growth and it was soon adopted by various larger companies
such as stripe.
If you are interested in finding and submitting bugs in Tarsnaps own code base, Colin has put up a Bug bounty
rewarding the people that find all kinds of bugs in the code base, a fun fact is that a majority of the security bugs
that gets submitted is not found by security researchers looking for holes but by average developers looking at
the functions in the code.
Today Tarsnap runs on a large set of different systems by a diverse crowd, providing secure storage of
data thanks to its stable code base and amazon s3.
Colin also donates Tarsnap's December profit to the opensource community sponsoring the FreeBSD foundation, the EuroBSD
conference, the bsdcan conference, bsdnow podcast and several other projects.
We are super happy to have Colin as a guest on Security Headlines!
External links:
https://github.com/Tarsnap/spiped
https://en.wikipedia.org/wiki/Tarsnap
https://en.wikipedia.org/wiki/Scrypt
https://www.Tarsnap.com/spiped.html
https://www.Tarsnap.com/kivaloo.html
https://github.com/Tarsnap/spiped
https://www.Tarsnap.com/open-source.html
https://github.com/mendsley/bsdiff
https://en.wikipedia.org/wiki/Paul_Graham_(programmer)
Stay up to date at:
https://blog.firosolutions.com
- Daha fazla göster
