joern @jrn.bsky.social · 27/06/2026Looking forward to this! Brace for TOP INSIGHTS (which is still an anagram of SHITPOSTING). 040
joern @jrn.bsky.social · 14/03/2026RIP FX We collected some texts from the community in memory of @fxv2.bsky.social . You can find them here phenoelit.de/fx.html 053
joern @jrn.bsky.social · 02/03/2026Lands of Packets TTL exceeded. I would like to collect texts from the scene about FX in his memory. A collection of obituaries that will then be posted on phenoelit.de. If anyone would like to contribute, please contact me. Mail: joernchen@phenoelit.de Signal: jrn.07 0167
joern @jrn.bsky.social · 23/08/2025threatactor.club/@joern/statu... :Dthreatactor.clubPost by joernchen , @joern@threatactor.club@agarri.fr@bsky.brid.gy add some of these for optimal retro experience 020
joern @jrn.bsky.social · 19/08/2025To reach us you can DM me or contact us via Email at unclear.condition@gmail.com [4/4] 200
joern @jrn.bsky.social · 19/08/2025The usual processes and medical contact points have failed us unfortunately and he seems stuck in this condition. We’re based in Berlin, Germany but really any contact with a specialist who would be willing to take on this case we’d be grateful for! [3/4] 100
joern @jrn.bsky.social · 19/08/2025(myoclonus and/or spasms) to finally find a cause and, above all, an effective therapy. The symptoms are bothering our son ever since he’s born, now for more than nine years, seriously affecting his sleep. [2/4] 100
joern @jrn.bsky.social · 19/08/2025Today I have a more serious topic than usual, please consider reposting for reach: My wife and I are urgently looking for a specialist in neuropediatrics or a similar field for our autistic child with a diagnosed, but not further specified, movement disorder [1/4] 1422
Reposted by joernFelladonna @langsec.hacker.gf · 21/05/2025you might find inspiration in joern's recent offensivecon talk. slides are at 0day.click/parser-diff-..., video at www.youtube.com/watch?v=Dq_K...youtube.comOffensiveCon25 - Joernchen - Parser Differentials: When Interpretation Becomes a VulnerabilityYouTube video by OffensiveCon 253
joern @jrn.bsky.social · 12/05/2025Cross functional steakholder or something, no clue I don’t eat meat… 020
Reposted by joernOffensiveCon @offensivecon.bsky.social · 25/04/20252025 agenda is out! www.offensivecon.org/agenda/2025.... 095
joern @jrn.bsky.social · 25/04/2025Parser Differentials have become pretty much my favorite bug class over the last years. I am absolutely honored to get the chance to present on this topic at @offensivecon.bsky.social in a few weeks. www.offensivecon.org/speakers/202...offensivecon.orgjoernchen | OffensiveCon 1101
joern @jrn.bsky.social · 13/04/2025Auf Youtube hab ich auch was :) youtu.be/j_Md8_7mhOUyoutu.bejoernchen - Friday 13th @ 1°CYouTube video by Tiny Club Berlin 020
joern @jrn.bsky.social · 13/04/2025Felt cute, might delete later www.instagram.com/p/DIZOJDeMZ8-/ 230
joern @jrn.bsky.social · 02/02/2025deepsigh for deepseek openwebui.com/c/jrnjrn/c38...openwebui.comdeepseek-r1:8b fizz buzz | Open WebUI Community 000
Reposted by joernAndrea @valkyrie.hacker.gf · 06/01/2025Would you give an LLM control of the nukes if it would stop Donald Trump from taking office and getting it instead? 2102
joern @jrn.bsky.social · 05/01/2025I was just recently pretty impressed by claude solving a few of my CTF challenges with a very simple prompt. :D 000
joern @jrn.bsky.social · 04/01/2025Have a great weekend and enjoy some tunes: youtu.be/j_Md8_7mhOUyoutu.bejoernchen - Friday 13th @ 1°CYouTube video by Tiny Club Berlin 263
joern @jrn.bsky.social · 27/12/2024That team that gets beaten up during a CTF. Purple because of the color of their bruises… 030
joern @jrn.bsky.social · 21/12/2024Happy Holidays! I hope Vulnsanta has some CVE in his bag for you! 061
Reposted by joernFilippo Valsorda @filippo.abyssdomain.expert · 21/12/2024I don’t know who needs to hear it but defaults write com.google.Chrome URLBlocklist -array-add example.com works system-wide without giving access to all your browsing to some extension. 311315
joern @jrn.bsky.social · 05/12/2024OK cool, who needs fuzzers when you can segfault ImageMagick's convert with normal use. 0134
joern @jrn.bsky.social · 05/12/2024A little challenge for you all gitlab.com/joernchen/jo...gitlab.comShellwordz ($4776755) · Snippets · Joern Schneeweisz / joernchen · GitLabGitLab.com 101
joern @jrn.bsky.social · 30/11/2024Well, if you feel a bounty is not high enough you can always resort to extortion or ransomware. 🤡 120
joern @jrn.bsky.social · 18/11/2024It is somehow. But on the other hand it does show how „popular“ and easy to exploit a vulnerability is. ;) 000
joern @jrn.bsky.social · 18/11/2024It says „Number of PoC exploits“ to me the graph suggests different exploits for a single vuln ( e.g. Log4j). 200
Reposted by joerndmnk @dmnk.bsky.social · 15/11/2024Slides for my @ekoparty talk "Advanced Fuzzing With LibAFL" - > docs.google.com/presentation...docs.google.comAdvanced Fuzzing With LibAFL @ Ekoparty 2024Advanced Fuzzing With LibAFL Dominik Maier Ekoparty 2024-11-15 1 04420
joern @jrn.bsky.social · 16/11/2024Post a pic YOU took (no description) to bring some zen to the timeline 010
Reposted by joernevacide @evacide.bsky.social · 26/08/2023I am glad that people who enjoy management exist so that I don't have to do it. 2262
joern @jrn.bsky.social · 17/07/2023Considering giving a talk titled: „I made my hobby my profession so I needed a new hobby. Now I’m cuddling grown men in pyjamas trying to choke them out or break their limbs - for fun“ 010
Reposted by joernargp @argp.bsky.social · 03/07/2023:( @jrn.bsky.social reminded me of infosuck, not that I needed reminding, but still I re-read everything again and it couldn't be more relevant: web.archive.org/web/20131202231402/… 011
![➜ Videos convert wordz.gif wordz.mp4
[libx264 @ 0x5fc1ee3a6680] height not divisible by 2 (1096x789)
[vost#0:0/libx264 @ 0x5fc1ee3ac880] Error while opening encoder - maybe incorrect parameters such as bit_rate, rate, width or height.
Error while filtering: Generic error in an external library
Segmentation fault (core dumped)](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:gum3thov6xgkeu5uokqpxqci/bafkreidzx7din24ieoshmnrd2y7ixowktof2bbnilvykygnnq63dot3fpy)
