On a daily basis, I’m looking for malicious emails. I own catch-all mailboxes that collect a huge amount of spam that I’m using to perform deeper analysis: to discover new tactics used by attackers and new piece of malicious code. Basically, they are two categories of phishing campaigns: the one sent to
A few weeks ago I posted a diary on the ISC SANS website about a script to automate the extraction and analyze of MIME attachments in emails. Being the happy owner of an old domain (15y), this domain is present in all spammer’s mailing lists. I’m receiving a lot of
Here is a Python script that I developed for my personal use: mime2vt.py. I decided to release it because I think it could be helpful for many of you. In 2012, I started a project called CuckooMX. The goal was to automatically scan attachments in emails with Cuckoo to find
Today, classic anti-virus protections are not enough reliable to protect against modern malwares. To have a better understanding and, if possible, block them, it’s best to execute the code in a safe environment and to analyze its behaviour. Does it create new processes or files, are outbound connections performed via
“E-mail”… What a wonderful online service! When I first connected to the Internet around 1994 (I’m feeling old writing this!), I was so exited to receive my first e-mail! Today, I’m very happy when I received less than 50 e-mails per day! E-mail has been, for years, associated with spam.