Reposted by Stuart AshenbrennerPhil Stokes ⫍🐠⫎ @philofishal.bsky.social · 07/11/2025You know how ppl say you can't decompile run-only #AppleScript ... 😜 #macOS #security 042
Reposted by Stuart AshenbrennerBinary Ninja @binary.ninja · 07/08/2025One of the coolest new things in Binary Ninja 5.1? Pseudo Objective‑C. Huge shoutout to Mark, who actually wrote this before joining the team (talk about an overkill job application). If you’re digging into iOS, Swift, or kernelcaches, this one’s a game‑changer. 043
Reposted by Stuart AshenbrennerKenneth Kinion @kennethkinion.bsky.social · 20/06/2025Hot on the heels of the researched published by @huntress.com, hunting for Zoom-themed lures from DPRK's #BlueNoroff 💥Learn hunting techniques 💥Leverage new Validin features and data 💥Full, unredacted indicator list (domains, IPs, hashes) www.validin.com/blog/zooming...validin.comZooming through BlueNoroff Indicators with Validin | ValidinPivoting through recently-reported indicators to find BlueNoroff-associated domains 122
Reposted by Stuart Ashenbrenneralden @re.wtf · 18/06/2025excited bc today @huntress.com is releasing our analysis of a gnarly intrusion into a web3 company by the DPRK's BlueNoroff!! 🤠 we've observed 8 new pieces of macOS malware from implants to infostealers! and they're actually good (for once)! www.huntress.com/blog/inside-...huntress.comInside the BlueNoroff Web3 macOS Intrusion Analysis | HuntressLearn how DPRK's BlueNoroff group executed a Web3 macOS intrusion. Explore the attack chain, malware, and techniques in our detailed technical report. 13019
Stuart Ashenbrenner @stuartjash.bsky.social · 18/06/2025Been busy this week digging in to a BlueNoroff attack. 030
Reposted by Stuart AshenbrennerBrandon Dalton @partyd0lphin.bsky.social · 09/06/2025Sadly no new ES events for macOS 26. There are a few nice event property updates and additions to the process structure though :) 031
Reposted by Stuart AshenbrennerLindsey O’Donnell Welch @lindseyodwelch.bsky.social · 23/04/2025Some good takeaways from @huntress.com’s recent Tradecraft Tuesday ft. Patrick Wardle: -The impact of Apple bringing TCC events to Endpoint Security -#Mac malware persistence techniques vs BTM -Security alert inundation for #macOS users Catch up here⤵️ www.huntress.com/blog/say-hel...huntress.comSay Hello to Mac Malware | HuntressIn this month’s Tradecraft Tuesday, we talked about how threat actors are finetuning their macOS malware in order to maintain persistent access and avoid detection by Apple’s security features. 023
Reposted by Stuart AshenbrennerBinary Ninja @binary.ninja · 24/04/2025You asked, we delivered: Binary Ninja 5.0 brings major iOS reversing upgrades! DYLD Shared Cache is now a first-class feature, with up to 18x faster performance and way smarter analysis across the board. binary.ninja/2025/04/23/5... 1125
Reposted by Stuart Ashenbrenneralden @re.wtf · 15/04/2025finally got around to rewriting the copy as yara binja plugin! 🥰 has a few quality of life improvements (new formats) and address wildcarding is fixed for ARM! (sorry bout that mac homies) ❤️ it's also now available in the plugin repository! 🔥 github.com/ald3ns/copy-... 072
Reposted by Stuart AshenbrennerJamie Levy 🦉 @gleeda.bsky.social · 01/04/2025✅Are you well versed in Linux? ✅Do you understand Linux internals and eBPF? ✅ Do you like building out POCs? ✅Do you understand cyber threats and forensic artifacts? 💥Become a Principal Linux Researcher at @huntress.com Apply here: 👉 job-boards.greenhouse.io/huntress/job...job-boards.greenhouse.ioPrincipal Security Researcher - LinuxRemote US 064
Reposted by Stuart Ashenbrennergolby @golby.bsky.social · 28/03/2025Finally! 🥳 objective-see.org/blog/blog_0x...objective-see.orgTCCing is BelievingApple finally adds TCC events to Endpoint Security! 022
Reposted by Stuart AshenbrennerPhil Stokes ⫍🐠⫎ @philofishal.bsky.social · 25/03/2025s1.ai/readup 🐚 Adware loaders are always the most complex! Props to @syrion89.bsky.social for helping me pull apart all these different bins and figuring out what they had in common and how to attribute and detect them. 🦾 #adware #malware #macOS #security @sentinelone.com @sentinellabs.bsky.socials1.aiReaderUpdate Reforged | Melting Pot of macOS Malware Adds Go to Crystal, Nim and Rust VariantsA widespread campaign with binaries written in different source languages, ReaderUpdate presents unique challenges for detection and analysis. 075
Stuart Ashenbrenner @stuartjash.bsky.social · 21/03/2025macOS Malware Knowledge Base: I've been putting together a KB of sorts of macOS malware research. So next time you are writing about some malware family, you can just visit here and see all technical articles written about any particular family. Still a WIP. notes.crashsecurity.io/notes/b/06C7...notes.crashsecurity.ioNotes 042
Reposted by Stuart AshenbrennerGreg Lesnewich @greg-l.bsky.social · 16/03/2025Trying to attribute DPRK cryptoheist activity? Here’s a quick pocket attribution guide Remember to practice your DPRK ABC(TT)s 0135
Reposted by Stuart AshenbrennerXPN @xpnsec.com · 12/03/2025Brilliant talk from @scott.hanselman.com on the realities on LLMs. The temperature demo is such a good way to explain the "magic" behind text generation. www.youtube.com/watch?v=kYUi...youtube.comKeynote: AI without the BS, for humans - Scott Hanselman - NDC London 2025YouTube video by NDC Conferences 1468
Reposted by Stuart AshenbrennerKenneth Kinion @kennethkinion.bsky.social · 11/03/2025Found these likely #Lazarus / #TraderTraitor domains w/ #Validin getcoinprice[.]info stocksindex[.]org wfinance[.]org stockinfo[.]io Read my how-to on leveraging Validin's exceptional visibility, history, and pivoting features for C2 infrastructure forensics: www.validin.com/blog/bybit_h...validin.comLazarus Group Bybit Heist: C2 forensics | ValidinAn in-depth hunt for Lazarus APT group infrastructure related to the Bybit hack using Validin's host response and DNS databases. 052
Reposted by Stuart AshenbrennerRob Joyce @rgblights.bsky.social · 01/01/2025For all my math peeps out there: 2025 is pretty amazing mathematical arrangement. 1. 2025 is a perfect square (45×45=2025) 2. 2025 is the sum of digits of cubes from 1 to 9 (1³ + 2³ + 3³ + ... + 9³ = 2025) 3. 2025 is the first square year after 1936 (Cont…) 19350129
Stuart Ashenbrenner @stuartjash.bsky.social · 24/12/2024Entering EOY PTO in the throes of a sleep regression is like taking a gulp of water after a run and realizing it’s tonic. 010
Stuart Ashenbrenner @stuartjash.bsky.social · 18/12/2024Our talk from @objective-see.bsky.social is now available online. Check out @re.wtf and I yap about macOS infostealers. www.youtube.com/watch?v=Hv6A...youtube.com#OBTS v7.0: "Stealer Crossing: New Horizons" - Alden Schmidt & Stuart AshenbrennerYouTube video by Objective-See Foundation 1104
Reposted by Stuart AshenbrennerCsaba Fitzl @theevilbit.bsky.social · 09/12/2024📣I’m happy to announce that I’m planning to write a brand new “macOS Vulnerability Research” training. 🥳 Considering the amount of work the writing requires it will be available late 2025 or early 2026. It will be Live class only, and likely only once or twice a year. 0205
Reposted by Stuart AshenbrennerRaphaela Mettig @rmettig.com · 05/12/2024I'm having #OBTS FOMO, so I decided to go ahead and make my own Apple security starter pack! I'm definitely missing folks on here, so feel free to DM me about anyone else who should be added! 🍎 go.bsky.app/gE3xQq 042
Stuart Ashenbrenner @stuartjash.bsky.social · 08/12/2024#OBTS has wrapped. Next year has so much on deck 👀 - TAOMM v2 book @patrickwardle - MacOS Threat Hunting book @jbradley89 - MacOS Vuln Training @theevilbit.bsky.social - OFTW v3 @objective_see - WeTalks v1 @x71n3 - OBTS v8 in Ibiza Awesome stuff coming from the macOS security space 🙌 081
Reposted by Stuart AshenbrennerBrandon Dalton @partyd0lphin.bsky.social · 07/12/2024Shout-out to the incredible Huntress crew for the special T-shirt 🏝️ and a killer #OBTS presentation by @stuartjash.bsky.social and @re.wtf! 071
Reposted by Stuart AshenbrennerJacob Latonis @jacoblatonis.me · 06/12/2024Catch @greg-l.bsky.social and I talking about Mach-O binary similarity methods, YARA-X, and all the cool APT malware we pulled apart at #OBTS v7 today at 11:50am HST 🌺 175
Stuart Ashenbrenner @stuartjash.bsky.social · 06/12/2024Yesterday I got to present with the 🐐 @re.wtf. Such a blast talking thru infostealers and the telenovela that they’ve become. #OBTS really is the best, chillest conference out there. Excited for a second day of talks 🤓🍎 0131
Reposted by Stuart AshenbrennerXPN @xpnsec.com · 02/12/2024Good lineup of books! www.humblebundle.com/books/hackin...humblebundle.comHumble Tech Book Bundle: Hacking 2024 by No StarchLevel up your hacking and skills with this tech bundle from No Starch. Learn to protect yourself and others! Pay what you want & support charity! 1208
Reposted by Stuart AshenbrennerJacob Latonis @jacoblatonis.me · 06/12/2024@re.wtf 🐐 @stuartjash.bsky.social 🐐 072
Reposted by Stuart AshenbrennerBrandon Dalton @partyd0lphin.bsky.social · 05/12/2024Extremely excited to be giving a talk titled "Mac, Wheres My Bootstrap" tomorrow at #OBTS with @theevilbit.bsky.social! Join us live on YouTube or in-person at 2:40pm HST / 7:40pm EST. We'll be dropping a tool you can walk away with :) 093
Reposted by Stuart AshenbrennerPhil Stokes ⫍🐠⫎ @philofishal.bsky.social · 30/11/2024@sentinelone.com is hiring - #macOS detection engineer. www.sentinelone.com/jobs/?gh_jid...sentinelone.comCareers at SentinelOneTake a look at the open positions at SentinelOne. We're dedicated to defending enterprises across endpoints, containers, cloud workloads, and IoT devices in a single cybersecurity platform. 067
Stuart Ashenbrenner @stuartjash.bsky.social · 21/11/2024A few files in my macOS notes got updated, especially XProtect to reflect some its newer changes in macOS Sequoia. notes.crashsecurity.io/notesnotes.crashsecurity.ioNotes 041
Reposted by Stuart AshenbrennerBinary Ninja @binary.ninja · 20/11/2024Don't Panic! The answer: version 4.2 of Binary Ninja, is now available. Check out the release blog post which shows: - New PseudoC/Python/Rust decompilation - DLYD Shared Cache Support - WARP Signature System And many other impactful features. binary.ninja/2024/11/20/4.2-frogsta… 23413