IDS Evasion with Unicode
Recently, there has been much discussion of the Unicode problem with regard to intrusion detection. Some pundits have gone so far as to claim that Unicode will contribute to the demise of Intrusion Detection Systems (IDS). This article by Eric Hacker will explain what Unicode is, how it complicates IDS and provides opportunities for IDS evasion, and what can be done about it. This discussion will focus particularly on the role of UTF-8, a means by which Unicode code points are encoded, in circumventing IDSs.
Read the whole article here.
