The Hackenblog has moved to http://hackenblog.hackenbush.org/ or www.hackenblog.com.Please update your links, thank you.[Previous entry: "The Ginger Mayerson Fifty Films, 28/50 - A Fine Madness"] [Main Index] [Next entry: "EWIVVG"] 03/14/2004 Entry: "Email warning about email virus (sigh)" New virus scam, don't fall for it, especially people with liheliso.com email: "Dear user of e-mail server 'Gingermayerson.com', "We warn you about some attacks on your e-mail account. Your computer may contain viruses, in order to keep your computer and e-mail account safe, please, follow the instructions. "For more information see the attached file. "Attached file protected with the password for security reasons. Password is 25548. "Sincerely, Here's the scoop from McAfee: "From: (address is spoofed) Sigh. Virus Advisory: Network Associates McAfee AVERT Raises Risk Assessment To Medium on New W32/Bagle.n@MM Virus BEAVERTON, Ore., March 13 /PRNewswire-FirstCall/ -- Network Associates, Inc. (NYSE: NET - News) the leading provider of intrusion prevention solutions, today announced that McAfee® AVERT(TM) (Anti-Virus and Vulnerability Emergency Response Team), the world-class anti-virus and vulnerability research division of Network Associates®, raised the risk assessment to medium on the recently discovered W32/Bagle.n@MM, also known as Bagle.n. This new variant is a mass-mailing worm that constructs outgoing messages with various attachments including password-protected .RAR files, with the password included in the message body or in an image file attached to the message. The worm has many of the same functionalities as its Bagle predecessors, effectively customizing each email to make it appear to be a legitimate warning notification. McAfee AVERT verified the discovery of the new threat while working closely with a researcher partner in the United States, where the virus first appeared. Currently, McAfee AVERT has had over 110 reports of the virus -- a fairly high number for a weekend when most businesses are closed. Most of the Bagle.n samples that McAfee AVERT has seen are from the virus itself, which uses a common spoofing process, and not from the infected customers, who have also sent in samples. This has been the case with the three most prevalent viruses at the moment, which include the Mydoom, Bagle and Netsky families. Symptoms The Bagle.n worm is a mass mailing polymorphic threat, which means the virus has the ability to change its signature every time it infects. The worm harvests addresses from local files and then uses the harvested addresses in the 'From' field to send itself. The worm copies itself to folders that have the phrase 'shar' in the name, such as common peer-to-peer applications. The worm then proceeds into the remote access component of the virus, which listens on a random TCP port for remote connections. Users should delete any email containing the following: From: (address is spoofed) Body Text: From: (the address may be spoofed, using the recipient's domain name and a Subject: Body Text: Main message body -
After being executed, Bagle.n emails itself to addresses found on the infected host as an .EXE, .PIF, .ZIP, or .RAR file type. The virus may also attach an image file (.BMP, .JPG, .GIF) to the message that contains the password to a password-protected zip file. The worm also contains an icon in the form of what looks to be a True Type Font. The virus listens on a random TCP port for remote connections. It attempts to notify the author that the infected system is ready to accept commands. Like its predecessors, this worm checks the system date. If it is December 31, 2005 or later, the worm deactivates itself by deleting its registry run key. Cure Immediate information and cure for this worm can be found online at the Network Associates McAfee AVERT site located at http://vil.nai.com/vil/content/v_101095.htm. McAfee AVERT is advising its customers to update to the 4337 DATs to stay protected from all the current Bagle threats. Network Associates McAfee® Protection-in-Depth(TM) Strategy delivers the industry's only complete set of system and network protection solutions differentiated by intrusion prevention technology that can detect and block these types of attacks. This allows customers to protect themselves while they plan their patch deployment strategy. McAfee AVERT Labs is one of the top-ranked anti-virus and vulnerability research organizations in the world, employing more than 100 researchers in offices on five continents. McAfee AVERT protects customers by providing cures that are developed through the combined efforts of McAfee AVERT researchers and McAfee AVERT AutoImmune technology, which applies advanced heuristics, generic detection, and ActiveDAT technology to generate cures for previously undiscovered viruses. About Network Associates With headquarters in Santa Clara, California, Network Associates, Inc. (NYSE: NET - News) creates best-of-breed computer security solutions that prevent intrusions on networks and protect computer systems from the next generation of blended attacks and threats. Offering two families of products, McAfee System Protection Solutions, securing desktops and servers, and McAfee Network Protection Solutions, ensuring the protection and performance of the corporate network, Network Associates offers computer security to large enterprises, governments, small and medium sized businesses, and consumers. For more information, Network Associates can be reached at 972-963-8000 or on the Internet at http://www.networkassociates.com/. NOTE: Network Associates, McAfee and AVERT are either registered trademarks or trademarks of Network Associates, Inc. and/or its affiliates in the United States and/or other countries. All other registered and unregistered trademarks herein are the sole property of their respective owners.
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Updated: April 8, 2006
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