Trend backs down on MS Trojan claim

Trend Micro has retracted last week’s claim to have discovered a Trojan that could exploit vulnerabilities in the Windows graphics engine.The claim was highly significant because Microsoft had only patched the critically-rated flaws days earlier. If true, it would have been evidence that malware writers were getting closer to writing a feared “zero day” exploit, where a vulnerability is attacked before its existence has been discovered and a patch issued. Trend has now admitted that the Troj_emfsploit.A Trojan was mis-analysed by its security team, and the appearance of exploiting the flaws was probably an unfortunate coincidence.

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