I wrote several times about code obfuscation on my personal blog over the past 10 years, but this time I’d like to underline a different aspect of it, and a novel (at least for the best of my knowledge) approach to deal with deobfuscation. First of all let me remind that code obfuscation is not […]
Read more "Program Synthesis for Deobfuscation"You might decide to contribute to the scientific community in several ways. If you are a scientist or a researcher you are contributing to science “by deafult” by publishing your results on online libraries such as USENIX, IEEE Explorer, ACM, Pubmed and so forth , but are there different ways to contribute even if you […]
Read more "Folding Through Distributed Computing For Science"Ci sono momenti che ti cambiano, alcuni per il dolore causato mentre altri per la grande gioia. Questa e’ la fortunata storia di un tempo che ha cambiato la mia vita. Durante gli ultimi cinque anni ho avuto la fortuna di creare una organizzazione da zero, di farla nascere, di custodirla, di partecipare ad operazioni […]
Read more "[ITA] Gratitudine e Cambiamento"Detection is a key point in threat hunting. During the past few weeks, stright in the middle of the winter “holidays” (well, maybe if you live in a place where no COVID-19 lockdown was involved), many people re/started a studying program on cybersecurity. Some of them wrote to me asking if there is a way […]
Read more "C2 Traffic Patterns: Personal Notes"Nowadays malware authors use a lot of techniques to hide malicious payloads in order to bypass security products and to make malware analyst life harder and fun. There are many tools that you can use to extract content from malware and there is not a standard process, you can use different tools, different techniques and […]
Read more "How To Unpack Malware: Personal Notes"According to the Yoroi annual cyber security report (available HERE), to Cyber Threat Trends (available HERE) and to many additional resources, Microsoft Office files (Word documents and Excel spreadsheet) are one of the most used malware loaders in the current era. Attackers lure victims, by seducing them to open a specially crafted Office document, which […]
Read more "How to Reverse Office Droppers: Personal Notes"This is the fifth week my company (Yoroi) and I are working from home (covid-19). While every company process is running smooth and fast, personal quarantine is getting quite long and heavy especially if you are accustom to travel a lot for working purposes. Under these circumstances home office setup becomes very important as you […]
Read more "Working From Home: Building Your Own Setup"Nowadays Iran’s Cybersecurity capabilities are under microscope, many news sites, gov. agencies and security experts warn about a possible cybersecurity infiltration from Iranian government and alert to increase cybersecurity defensive levels. Today I want to share a quick and short study based on cross correlation between MITRE ATT&CK and Malpedia about some of the main […]
Read more "Iranian Threat Actors: Preliminary Analysis"Nowadays one of the most frequent cybersecurity threat comes from Malicious (office) document shipped over eMail or Instant Messaging. Some analyzed threats examples include: Step By Step Office Dropper Dissection, Spreading CVS Malware over Google, Microsoft Powerpoint as Malware Dropper, MalHIDE, Info Stealing: a New Operation in the Wild, Advanced All in Memory CryptoWorm, etc. […]
Read more "Frequent VBA Macros used in Office Malware"From time to time we might observe special Malware storing themselves into a MBR and run during the booting process. Attackers could use this neat technique to infect and to mess-up your disk and eventually asking for a ransom before restoring original disk-configurations (Petya was just one of the most infamous boot-ransomware). But this is […]
Read more "Writing Your First Bootloader for Better Analyses"