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Spyware Warrior
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quietman7
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Joined: 20 Dec 2004
Last Visit: 28 Mar 2012
Posts: 768
Location: Virginia, USA
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 Posted: Tue Oct 16, 2007 8:54 am Post subject: The Changing Storm |
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| The latest Storm variants have a new twist. They now use a 40-byte key to encrypt their Overnet P2P traffic. This means that each node will only be able to communicate with nodes that use the same key. This effectively allows the Storm author to segment the Storm botnet into smaller networks. This could be a precursor to selling Storm to other spammers, as an end-to-end spam botnet system, complete with fast-flux DNS and hosting capabilities. If that’s the case, we might see a lot more of Storm in the future... |
secureworks.com
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Microsoft MVP - Consumer Security 2007-2012 
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quietman7
Warrior Addict
Joined: 20 Dec 2004
Last Visit: 28 Mar 2012
Posts: 768
Location: Virginia, USA
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| Posted: Wed Oct 17, 2007 8:30 am Post subject: |
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More from Symantec
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The encryption is trivial and isn't the only new thing found in this variant. It seems to have some new techniques for propagation. Firstly, it is able to scan the file system and drop an executable into any folder with at least one .exe file. Secondly, the worm is able to harvest email addresses from the file system and send spam to those addresses. Lastly, it is able to search for .htm, .html, and .php files and inject malicious IFRAME code into them...
Considering how much this worm has evolved and where it is at currently, I think its time for us to escalate this worm to hurricane category... |
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Microsoft MVP - Consumer Security 2007-2012
Member of UNITE, Unified Network of Instructors and Trusted Eliminators |
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