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| Content Provider | ACM Digital Library |
|---|---|
| Author | Conover, Matthew Chiueh, Tzi-cker Montague, Bruce |
| Abstract | As more and more virtual machines (VM) are packed into a physical machine, refactoring common kernel components shared by the virtual machines running on the same physical machine significantly reduces the overall resource consumption. A refactored kernel component typically runs on a special VM called a virtual appliance. Because of the semantics gap in Hardware Abstraction Layer (HAL)-based virtualization, a physical machine's virtual appliance requires the support of per-VM in-guest agents to perform VM-specific operations such as kernel data structure access and modification. To simplify deployment, these agents must be injected into guest virtual machines without requiring any manual installation. Moreover, it is essential to protect the integrity of in-guest agents at run time, especially when the underlying refactored kernel service is security-related. This paper describes the design, implementation and evaluation of a surreptitious kernel agent deployment and execution mechanism called SADE that requires zero installation effort and effectively hides the execution of agent code. To demonstrate the efficacy of SADE, we describe a signature-based memory scanning virtual appliance that uses SADE to inject its in-guest kernel agents without any support from the injected virtual machine, and show that both the start-up overhead and the run-time performance penalty of SADE are quite modest in practice. |
| Starting Page | 507 |
| Ending Page | 514 |
| Page Count | 8 |
| File Format | |
| ISBN | 9780769546919 |
| DOI | 10.1109/CCGrid.2012.41 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2012-05-13 |
| Access Restriction | Subscribed |
| Subject Keyword | Intropsection stealthy code injection control hijacking agentless deployment |
| Content Type | Text |
| Resource Type | Article |
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