Security
ARMore: Pushing Love Back Into Binaries
Aarch64 binary rewriting adventures but mostly pains
28. Dezember 2023
21:10 – 21:50 In Kalender übernehmen
21:10 – 21:50 In Kalender übernehmen
Saal Granville
@cyanpencil (Luca Di Bartolomeo)
A talk on the first heuristic-free static binary rewriter for aarch64.
Why is it the first? Because everyone else already knew how much of a bad idea this would have been.
There's a bunch of closed-source arm64 binaries out there that we can't really fuzz efficiently due to slow dynamic instrumentation.
Static binary rewriting has been around since decades, but was mostly focused on x86.
Porting it to arm64 should be a straightforward task, right?
This is the story of how a simple "4-week port of an existing x86 rewriter" took 2+ years instead.
Maybe the real treasure is the CVEs we made along the way?
Warning: the talk might contain sensitive imagery of ARM Assembly. Viewers have been warned.
Weitere Infos
| Live Stream | https://streaming.media.ccc.de/37c3/granville |
|---|---|
| Format | lecture |
| Sprache | Englisch |
Weitere Sessions
| 27.12.23 |
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| 27.12.23 |
The importance and relevance of vehicles in investigations are increasing. Their digital capabilities are rapidly growing due to the introduction of additional services and features in vehicles and their ecosystem. In this talk on automotive digital forensics, you will embark on a journey through the cutting-edge world of automotive technology and the critical role digital forensics plays in this domain. We will explore the state-of-the-art methods and tools to investigate modern vehicles, ...
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| 27.12.23 |
Tesla's driving assistant has been subject to public scrutiny for good and bad: As accidents with its "full self-driving" (FSD) technology keep making headlines, the code and data behind the onboard Autopilot system are well-protected by the car manufacturer. In this talk, we demonstrate our voltage-glitching attack on Tesla Autopilot, enabling us root privileges on the system.
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| 27.12.23 |
Imagine discovering a zero-click attack targeting Apple mobile devices of your colleagues and managing to capture all the stages of the attack. That’s exactly what happened to us! This led to the fixing of four zero-day vulnerabilities and discovering of a previously unknown and highly sophisticated spyware that had been around for years without anyone noticing. We call it Operation Triangulation. We've been teasing this story for almost six months, while thoroughly analyzing every stage of ...
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| 27.12.23 |
Elektronische Arbeitsunfähigkeitsbescheinigungen (eAU), Arztbriefe, medizinische Diagnosen, all diese sensiblen Daten werden heute mittels KIM – Kommunikation im Gesundheitswesen – über die Telematikinfrastruktur (TI) verschickt. Aber ist der Dienst wirklich sicher? Wer kann die Nachrichten lesen, wo werden die E-Mails entschlüsselt und wie sicher ist die KIM-Software? Im Live-Setup einer Zahnarztpraxis haben wir Antworten auf diese Fragen gesucht.
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| 27.12.23 |
This talk will present details of the TETRA:BURST vulnerablities - the result of the first public in-depth security analysis of TETRA (Terrestrial Trunked Radio): a European standard for trunked radio globally used by government agencies, police, military, and critical infrastructure relying on secret cryptographic algorithms which we reverse-engineered and published in August 2023. Adding to our initial disclosure, this talk will present new details on our deanonymization attack and provide ...
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| 27.12.23 |
We present an analysis and recovery method for files encrypted by Black Basta, the "second most used ransomware in Germany". We analysed the behaviour of a ransomware encryptor and found that the malware uses their keystream wrongly, rendering the encryption vulnerable to a known-plaintext attack which allows for recovering affected files. We confirmed the finding by implementing tools for recovering encrypted files. We have made our tools for decrypting files without access to the actual key ...
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