Recrutement
Si vous êtes intéressés pour bosser sur des sujets sympas tout en restant loin de Paris, consultez nos offres d'emploi et envoyez nous votre CV à rh@amossys.fr.

Sujets de stage 2018-2019

Sujets de stage 2018-2019

Publication des offres de stage pour l'année 2018-2019. Au menu : packer, wasm, analyse de binaires, cyber range, ids, android, ia, crypto, recherche de vulnérabilités, red team et linux.

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BreizhCTF 2k18 Write-Ups

BreizhCTF 2k18 Write-Ups

Amossys was a sponsor of the BreizhCTF 2k18, a French hacking competition over a single night (April 20-21th). Many challenges were proposed in a wide range of topics (Web, Reverse, Cryptography, etc). For this occasion, a team was created among our employees (Los Pedrolitos). Here are some write-ups of the solved challenges. And thanks to the organization team for this excellent event in Rennes!

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The Windows 10 TH2 INT 2E mystery

The Windows 10 TH2 INT 2E mystery

Since Windows 10 TH2, NTDLL's syscall routines have changed: syscalls can now be performed with the SYSCALL instruction, and with the INT 2E old one. We say "old" because, until this change, this method had not been supported on x64 architectures since Windows 8. So why such a change? Let's try to find out.

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DIMCT

DIMCT

We developped a small tool, "DIMCT" which simply allows tracing inter module calls, without a too big overhead.

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BreizhCTF 2k17 Write-Ups

BreizhCTF 2k17 Write-Ups

Amossys was a sponsor of the BreizhCTF 2k17, a French hacking competition over a single night (April 28-29th). Many challenges were proposed in a wide range of topics (Web, Reverse, Cryptography, etc). For this occasion, three teams were created among our employees. Here are some write-ups of the solved challenges. And thanks to the organization team for this excellent event in Rennes!

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