I published the following diary on isc.sans.org: “The story of the CFO and CEO…“. I read an interesting article in a Belgian IT magazine[1]. Every year, they organise a big survey to collect feelings from people working in the IT field (not only security). It is very broad and covers their
I published the following diary on isc.sans.org: “HTTP Headers… the Achilles’ heel of many applications“. When browsing a target web application, a pentester is looking for all “entry†or “injection†points present in the pages. Everybody knows that a static website with pure HTML code is less juicy compared to a
Today, while hunting, I found a malicious HTML page in my spam trap. The page was a fake JP Morgan Chase bank. Nothing fancy. When I found such material, I usually search for “POST” HTTP requests to collect URLs and visit the websites that receive the victim’s data. As usual, the
Here is my quick wrap-up of the FIRST Technical Colloquium hosted by Cisco in Amsterdam. This is my first participation to a FIRST event. FIRST is an organization helping in incident response as stated on their website: FIRST is a premier organization and recognized global leader in incident response. Membership
I published the following diary on isc.sans.org: “Analysis of a Maldoc with Multiple Layers of Obfuscation“. Thanks to our readers, we get often interesting samples to analyze. This time, Frederick sent us a malicious Microsoft Word document called “Invoice_6083.doc” (which was delivered in a zip archive). I had a quick
The Internet Archive is a well-known website and more precisely for its “WaybackMachine” service. It allows you to search for and display old versions of websites. The current Alexa ranking is 262 which makes it a “popular and trusted” website. Indeed, like I explained in a recent SANS ISC diary, whitelists
I published the following diary on isc.sans.org: “DNS Query Length… Because Size Does Matter“. In many cases, DNS remains a goldmine to detect potentially malicious activity. DNS can be used in multiple ways to bypass security controls. DNS tunnelling is a common way to establish connections with remote systems. It is
I published the following diary on isc.sans.org: “Hunting for Malicious Excel Sheets“. Recently, I found a malicious Excel sheet which contained a VBA macro. One particularity of this file was that useful information was stored in cells. The VBA macro read and used them to download the malicious PE file.
After a nice evening with some beers and an excellent dinner with infosec peers, here is my wrap-up for the second day. Coffee? Check! Wireless? Check! Twitter? Check! As usual, the day started with a keynote. Window Snyder presented “All Fall Down: Interdependencies in the Cloudâ€. Window is the CSO
I’m back in Amsterdam for the 8th edition of the security conference Hack in the Box. Last year, I was not able to attend but I’m attending it for a while (you can reread all my wrap-up’s here). What to say? It’s a very strong organisation, everything running fine, a
