New PDF release: Information Security Applications: 15th International

By Kyung-Hyune Rhee, Jeong Hyun Yi

This e-book constitutes the completely refereed lawsuits of the fifteenth foreign Workshop on info safety functions, WISA 2014, hung on Jeju Island, Korea, in August 2014. The 30 revised complete papers offered during this quantity have been conscientiously reviewed and chosen from sixty nine submissions. The papers are geared up in topical sections similar to malware detection; cellular safeguard; vulnerability research; utilized cryptography; community defense; cryptography; protection; and significant infrastructure defense and policy.

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Read or Download Information Security Applications: 15th International Workshop, WISA 2014, Jeju Island, Korea, August 25-27, 2014. Revised Selected Papers PDF

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Additional info for Information Security Applications: 15th International Workshop, WISA 2014, Jeju Island, Korea, August 25-27, 2014. Revised Selected Papers

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Decision tree takes more time about 11 % and logistic regression takes more time about 12 %. Figure 7 shows the results of memory usages. 3 % additional memory. com, we consume more time and memory because they have more string operations than other sites. Google Map site uses a lot of memory, so the additional memory usage is relatively too small for the existing memory usage. 6 Conclusions and Future Work This paper proposed a heap-spraying detection method based on a string trace graph. We build a graph by tracing all string operations in JavaScript.

System apps play a more important role than non-system apps. However, there is no special requirement for the system apps’ certificate. The system apps also apply to the selfsigned certificate mechanism, which makes system apps can be replaced by a malicious one. The malicious one does not need to be signed by the same certificate as the target one. Moreover, different from non-system apps, system apps can directly get full permissions applied in their manifest files. This advantage also attracts malware to disguise as a system app.

Xml. The package setting info of an app contains the app’s granted permissions, certification, UID, path, timestamp, etc. xml file. Adding permissions into an app’s node can escalate the app’s permission. xml file belongs to the system user, and other users cannot access it due to the Linux user-based access control. However, the Linux user-based access control is invalid for the super user. As long as a malware has got root privilege and turned into a super user, it can tamper the file to add any permission to itself and even other apps.

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