For a while, ISC handlers have demonstrated several obfuscation techniques via our diaries. We always told you that attackers are trying to find new techniques to hide their content to not be flagged as malicious by antivirus products. Such of them are quite complex. And sometimes, we find documents that have a very low score on VT. Here is a sample that I found (SHA256: bac1a6c238c4d064f8be9835a05ad60765bcde18644c847b0c4284c404e38810). It gets a score of 6/59[1] which is not bad (from an attacker perspective). Is it a targeted attack? A new “APT” (buzzword!), not really…
Article Link: https://isc.sans.edu/diary/rss/23701