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Microsoft has issued a security advisory that describes a vulnerability in its XML module. McAfee has also observed that the vulnerability is being actively exploited in the wild. The vulnerability exists when the function “msxml3!_dispatchImpl::InvokeHelper” in Microsoft’s XML attempts to access an object in memory that has not been initialized, allowing attacker to execute arbitrary […]

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24
May
2011

Recently I had a moment to review a group of PDF exploit files. Many exploits use various tricks to obfuscate embedded JavaScript. I thought I could de-obfuscate the samples by throwing them into a sandbox environment and enjoying the beautified source code, but these samples required a different method to coax the legible code into […]

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