_larsh @_LarsH

Likes technology in general, electronics, problem solving and jazz music. Sweden Joined December 2010

Tweets

73
Followers

190
Following

89
Likes

225

HackingForSoju @HackingForSoju

a year ago

HackingForSoju's captain, @Calaquendi44 , just got a Pwnie Award, accepted on her behalf by her sister (and also HFS member), @secretgardenctf We are proud of both of you.

Claudia d’Antoine @secretgardenctf

a year ago

HackingForSoju's captain, @Calaquendi44 , just got a Pwnie Award, accepted on her behalf by her sister (and also HFS member), @secretgardenctf We are proud of both of you.

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Carl-Oskar Bohlin @CarlOskar

a year ago

Midnattssol i cyberdomänen. I Fredags hade jag den stora förmånen att besöka hackingtävlingen Midnight Sun CTF, eller åtminstone den inledande konferensdelen med gästföreläsare. Utanför cybervärlden är tillställningen sannolikt rätt okänd, men den förtjänar att nämnas därför att…

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FRA - Försvarets radioanstalt @FRAdioanstalt

2 years ago

FRA är stolt partner till Säkerhets-SM. Hör arrangörerna från den ideella föreningen Kodsport prata i TV4 om hur högstadie- och gymnasieungdomar genom tävlingen hittar sårbarheter i verkliga system på nätet. tv4.se/klipp/va/20790…

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Calle Svensson @ DEFCON @ZetaTwo

2 years ago

[SWE] Alldeles strax drar årets Säkerhets-SM igång: ctf.sakerhetssm.se tipsa gärna släkt och vänner som går i gymnasiet eller grundskolan och är intresserade av IT om denna #CTF-tävling. Den är nybörjarvänlig och de bästa lagen kvalar vidare till en final i Stockholm.

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HackingForSoju @HackingForSoju

2 years ago

We brought the hacking, Cykor brought the soju 💻 🤝 🍶 @ipwning and the rest of the team knows the way to our hearts @MidnightSunCTF

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HackingForSoju @HackingForSoju

2 years ago

🌻🇸🇪 Glad Midsommar To celebrate, HFS is releasing tickets for this years MidnightSun Conference & CTF! 🐞📲 Tune in, the lineup will be released slowly over the next few weeks. conf.midnightsunctf.com

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HackingForSoju @HackingForSoju

2 years ago

🇸🇪Midnight Sun CTF is back for it's 6th straight year! Registration is open here: midnightsunctf.com 🏆Qualifiers will run from 08 April, 2023 11:00 UTC -- 09 April, 2023 11:00 UTC 🥇On-site finals are on 18 August. As always check ctftime.org for details

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Alex Rad @defendtheworld

3 years ago

In August, @capsl_cc and I made some wifi hacking challenges for @HackingForSoju's on site finals in Stockholm. Today we finally released the source code: github.com/spr-networks/t… #ctf #midnightsun

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_larsh @_LarsH

3 years ago

Another line in bashrc for a nicer python debugger. :) export PYTHONBREAKPOINT=ipdb.set_trace

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Zion Leonahenahe Basque @mahal0z

3 years ago

Ever wanted to use the symbols you've reversed using Ghidra in gdb on-the-fly? Wanted decompilation too? decomp2dbg v3 is out with Ghidra support! Get symbols and a source-like panel, that updates, in gdb. Demo: youtu.be/MK7N7uQTUNY (90s) Code: github.com/mahaloz/decomp…

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Calle Svensson @ DEFCON @ZetaTwo

3 years ago

Long time no stream but now. it's time again. Today at 20:00 CEST I will try to solve a reverse engineering challenge created by my friend @_LarsH tune in! youtube.com/watch?v=6u8D2o…

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Robin™ @rvonpost

3 years ago

And now a drinking game at @MidnightSunCTF when @_LarsH from @HackingForSoju presents how he found CVE-2022-0823

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HackingForSoju @HackingForSoju

3 years ago

⚔️😎 Proud to announce our very own @_LarsH 🍆🪲 Lars is graciously taking a break from @HackingForSoju to present on his latest bug, CVE-2022-0823, and an introduction to attacking entropy and side channel attacks at @MidnightSunCTF Conference.

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Robin™ @rvonpost

4 years ago

First @sakpodcasten episode from @SEC_T_org out now, tnx to @blaufish_ @rbodforss and our victims: • @Yafsec • @stokfredrik @fabio_viggiani • @_LarsH Check it out: overcast.fm/+9U8VMKwI

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SEC-T @SEC_T_org

4 years ago

Time for lunch, after that (13:00 CEST/11:00 UTC) we have “Exploring memory corruption in real-time operating systems” by @_LarsH Livestream and QnA: sec-t.org/livestream/ More info about the talk: sec-t.org/talks/#Lars-Ha… #sect0x0D

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_larsh @_LarsH

5 years ago

Happy birthday to my teammate @ZetaTwo ! :) #ZetaTwoCTFVirtuoso Here is a small gift for you, enjoy!

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_larsh @_LarsH

5 years ago

Another writeup for my AVR challenge from @MidnightSunCTF

daniao @dan1ao

5 years ago

Another writeup for my AVR challenge from @MidnightSunCTF

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_larsh @_LarsH

5 years ago

Ugly or beautiful? (Show all symbols associated with an address in objdump -d) (avr-nm prog.elf;avr-objdump -d STRIPPED.elf) | awk '{print strtonum("0x" $1) "X" $0}' | sort -n | grep -o 'X.*' | colrm 1 1

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Harrison Green @hgarrereyn

5 years ago

Thanks to LarsH and @MidnightSunCTF for some awesome AVR arduino challenges (write-ups here: ctf.harrisongreen.me/2020/midnights…) Looking forward to the finals!