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Security Update 456 for Norton Internet Security

Sep 17, 2011

Security Updates give the most recent protection content for Norton Internet Security, which protect networked critical systems and remote and mobile users from unwanted network intrusions and hackers, as well as from viruses, Trojans, and worms.

To download and install the Security Update 456 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 456 is 20110917.031 and its description was last modified on September 16, 2011 11:58:42 PM PDT.

Security Update 456 adds coverage for the following vulnerabilities and threats:

  • Web Attack: Facebook LikeJacking Attack 5:
    This signature will detect malicious web pages which are used for facebook likejacking attacks.

  • Web Attack: Blackhole Toolkit Website 11:
    This signature detects attempts to download exploits from Blackhole toolkit that may compromise a computer through various vendor vulnerabilities.

  • Web Attack: Facebook LikeJacking Attack 8:
    This signature will detect malicious web pages which are used for facebook likejacking attacks.

  • System Infected: Morto Worm Activity:
    This signature detects Worm.Morto Activity on the infected computer.

  • Web Attack: Facebook LikeJacking Attack 12:
    This signature will detect malicious web pages which are used for facebook likejacking attacks.

  • System Infected: W32.Xpaj.B:
    This signature detects W32.Xpaj.B activity which may download more files on to the compromised computer.


Security Update 456 provides updated coverage for the following vulnerabilities and threats:
  • Web Attack: Acrobat PDF Suspicious File Download 8:
    This signature detects downloads of Adobe PDF files containing malicious content.

  • Web Attack: Exploit Kit Variant:
    This signature detect attempts to download exploits from a malicious toolkit which may compromise a computer through various vendor vulnerabilities.

  • Web Attack: Best Pack ToolKit Website:
    This signature detects attempts to download exploits from a Best Pack toolkit which may compromise a computer through various vendor vulnerabilities.

  • Web Attack: Malicious SWF File Download:
    This signature detects an attempt to exploit a vulnerability in Adobe Flash Player which may result in remote code execution.

  • Web Attack: Facebook LikeJacking Attack 4:
    This signature will detect malicious web pages which are used for facebook likejacking attacks.

  • System Infected: Morto Worm Activity 2:
    This signature detects Worm.Morto Activity on the infected computer.

  • System Infected: Dalbot Backdoor Activity:
    Dalbot is a backdoor trojan that allows attackers unauthorized access and control of an affected computer.


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