Network Security

Download Android Application Security: A Semantics and Context-Aware by Mu Zhang, Heng Yin PDF

By Mu Zhang, Heng Yin

This SpringerBrief explains the rising cyber threats that undermine Android program defense. It additional explores the chance to leverage the state-of-the-art semantics and context–aware suggestions to shield opposed to such threats, together with zero-day Android malware, deep software program vulnerabilities, privateness breach and inadequate protection warnings in app descriptions. The authors commence through introducing the heritage of the sphere, explaining the final working approach, programming beneficial properties, and protection mechanisms. The authors trap the semantic-level habit of cellular purposes and use it to reliably discover malware variations and zero-day malware. subsequent, they suggest an automated patch new release strategy to notice and block harmful details circulate. A bytecode rewriting strategy is used to restrict privateness leakage. User-awareness, a key issue of safeguard dangers, is addressed via instantly translating security-related application semantics into common language descriptions. widespread habit mining is used to find and compress universal semantics. hence, the produced descriptions are security-sensitive, human-understandable and concise.By overlaying the history, present threats, and destiny paintings during this box, the short is appropriate for either execs in and advanced-level scholars operating in cellular defense and purposes. it really is precious for researchers, as well.

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Extra resources for Android Application Security: A Semantics and Context-Aware Approach

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To address this limitation, we propose Algorithm 1 to remove any potential entry points that are actually part of an asynchronous call chain with only a single entry point. Algorithm 1 accepts three inputs and provides one output. The first input is Mentry , which is a set of possible entry points. The second is CMasync , which is a set of (BaseClass, RunMethod) pairs. run()) declared in this class. The third input is RSasync , which maps RunMethod to StartMethod. start()). The output is a reduced Mentry set.

Given an app, we attempt to find the best match for each of its graphs from the database. This produces a similarity feature vector. Each element of the vector is associated with an existing graph in the database. This vector bears a non-zero similarity score in one element only if the corresponding graph is the best match to one of the graphs for the given app. (4) Anomaly and Signature Detection. We have implemented a signature classifier and an anomaly detector. We have produced feature vectors for malicious apps, and these vectors are used to train the classifier for signature detection.

Both the existing apps and the newly submitted apps must go through the vetting process by using static analysis tools like CHEX [5]. If a component hijacking vulnerability is discovered in an app, its developer will be notified, and a patch will be automatically generated to disable the discovered vulnerability. So the vulnerable apps will never reach the end users. This approach wins time for the developer to come up with a more fundamental solution to the discovered security problem. Even if the developer does not have enough skills to fix the problem or is not willing to, the automatically generated patch can serve as a permanent solution for most cases (if not all).

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