WebAssembly(WASM) is a new technology designed for browers. It aims to define a portable, size- and load-time-efficient binary format to serve as a compilation target which can be compiled to execute at native speed by taking advantage of common hardware capabilities available on a wide range of platforms, including mobile
Due to it’s flexibility and capacity for embedding other objects, the rich text format (RTF) is a preferred file type used by both precision and quantity focused threat actors. This presentation will discuss the state of threats making use of the file format and provide a brief overview of how
On the internet, no one knows you’re a dog, but they know that you are accessing their website from an IP announced by an ASN that belongs to an ISP on the East Coast of the United States. As the DOM renders a piece of third party fraud detection, javascript
How to find watering holes (aka. Strategic Web Compromise – SWC) from your bedroom? At the intersection between geopolitics and technology, « KNIGHTCRAWLER » is a personal project developed to find some malicious activities on several thousand of strategic websites (Govs, NGOs, companies, newpapers etc.). Dozens of watering holes related
We have already heard of Nymaim’s famous obfuscation techniques, such as WinAPI wrappers, function detours, encrypted memcpy, and others. But have you heard of heaven’s gate, hybrid binaries and thread obfuscation? In this presentation, we will dive into some of the obfuscation patterns that are still untold. Sebastian Eschweiler is
On May 12, 2017 a virulent new strain of ransomware known as Wannacry hit hundreds of thousands of computers affecting all types of organisations across the globe. While it is well understand how Wannacry spread using EternalBlue, there was little information on how the attack initially began. It is often
[TLP: Amber] Maciej Kotowicz is Principal Botnet Pwner at CERT.pl with a special interest in reverse engineering and exploit development as well as automation of both. In his free time he likes to drink beer and play CTFs, in no particular order.
When attackers intrude into a network by APT attack, malware infection spreads to many hosts and servers. In incident investigations, it is important to examine what actually happened during lateral movement through log analysis and forensic investigation of infected hosts. However, in many cases, there may not be sufficient logs
For the past 12 months, the Internet-Of-Things botnets have made the headlines. Behind the media noise lies a threat that could be easily remedied by taking appropriate actions to discourage the herders which, most of the time, are kiddies. The latters often purchase the services of a third party to
PassWord Stealer (PWS) are around since more than a decade now. They are legions. Some like Pony, aka FareIT are well known. But nobody takes really time to explain what is around, what it is capable of and how this little industry works. However, they are still a common threat
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