Electrical computers and digital processing systems: multicomput – Computer network managing – Computer network monitoring
Reexamination Certificate
2011-08-30
2011-08-30
Meky, Moustafa M (Department: 2457)
Electrical computers and digital processing systems: multicomput
Computer network managing
Computer network monitoring
C726S024000
Reexamination Certificate
active
08010667
ABSTRACT:
A tangible medium embodying instructions usable by a computer system to protect a plurality of guest virtual machines (VMs), which execute via virtualization software on a common host platform, from malicious code is described. A scan engine is configured to scan data for malicious code and determine a result of the scanning, wherein the result indicates whether malicious code is present in the data. A driver portion is configured for installation in an operating system of a target VM, which is one of the guest VMs. The driver portion intercepts an access request to a file, that originates within the target VM. The driver portion communicates information identifying a location of the data to be scanned by the scan engine without sending a copy of the data to the scan engine. The scan engine executes within the virtualization layer outside a context of the target VM.
REFERENCES:
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patent: 2005/0204357 (2005-09-01), Garg et al.
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U.S. Appl. No. 11/584,178, filed Oct. 20, 2006, titled “Isolating Data Within a Computer System Using Private Shadow Mappings.” See, ¶ 197-198, showing implementing virus scanning outside context of a VM.
Chen Xiaoxin
Krishnan Jagannath Gopal
Le Bich Cau
Uluski Derek
Zhang Yufeng
Meky Moustafa M
VMware, Inc.
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