FortiGuard Advisory (FGA-2005-13)

Fortinet advises that its FortiGate security appliances, FortiMail secure messaging appliances and FortiClient Host Security software protect against the latest Sony DRM vulnerability, W32/BrepiBot.D!tr.

W32/BrepiBot.D!tr is a Trojan that attempts to make use of the security flaws introduced in Sony's customer's systems by way of its DRM technology by installing a bot, which tries to connect to a list of IRC servers that are currently unreachable. The Trojan both drops a file and launches a program beginning by the five characters $sys$.

Now, Sony's DRM rootkit (installed on Sony's customers computers whenever inserting certain Music CDs in the CD drive) would hide to users all files and processes which names start by $sys$. This Trojan therefore attempts to make use of the security flaws introduced in Sony's customers systems by their DRM. However, some companies report that if the DRM is present in the system, the Trojan actually fails to execute properly.

For further information on W32/BrepiBot.D!tr, visit Fortinet's Virus Encyclopedia at:
http://www.fortiguardcenter.com/ve?vn=W32/BrepiBot.D!tr

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About Fortinet ( www.fortinet.com ):

Fortinet is the pioneer and leading provider of ASIC-accelerated unified threat management, or UTM, security systems, which are used by enterprises and service providers to increase their security while reducing total operating costs. Fortinet solutions were built from the ground up to integrate multiple levels of security protection--including firewall, antivirus, intrusion prevention, VPN, spyware prevention and anti-spam -- designed to help customers protect against network and content level threats. Leveraging a custom ASIC and unified interface, Fortinet solutions offer advanced security functionality that scales from remote office to chassis-based solutions with integrated management and reporting. Fortinet solutions have won multiple awards around the world and are the only security products that are certified in six programs by ICSA Labs: (Firewall, Antivirus, IPSec, SSL, Network IPS, and Anti-Spyware). Fortinet is privately held and based in Sunnyvale, California.