Hack.lu edition 2012 A forensic analysis of Android Malware

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Crawling for apps. . . ISeveral marketsGoogle play (Android Market) The official marketAppChina The biggest alternative marketSlideme U.S. Based market, free and paid appsFreewareLovers German company, Works with a browser!ProAndroid Russian market for free appsTorrents BitTorrent seems to be a popular way of getting apps. . .Genome The Malware datasetK. Allix, Q. Jerome (SnT) Hack.lu Hack.lu 2012-24-10 3 / 33
Crawling for apps. . . IIMarkets way not want to be scraped :(Google play uses an overly complex protocol, with authenticationand scraping counter-measures (even for free apps)AppChina enforces drastic scraping protections: 1Mb/s bandwidthlimitation, several-hour ban if using more than one connectionK. Allix, Q. Jerome (SnT) Hack.lu Hack.lu 2012-24-10 4 / 33
Page 1 and 2: Hack.lu edition 2012A forensic anal
Page 3: The Starting PointA dataset of Andr
Page 7 and 8: The Metadata Approach IAndroid Appl
Page 9 and 10: Timestamps160Total number of appsNu
Page 11 and 12: Timestamps: Fun Facts IIMalware Aut
Page 13 and 14: Distribution over hoursPercent87654
Page 15 and 16: InterludeThe Question. . .We collec
Page 17 and 18: InterludeThe Question. . .We collec
Page 19 and 20: But then. . . What are those certif
Page 21 and 22: Who cares anyway?Developers don’t
Page 23 and 24: Further experimentsQuestionIs it po
Page 25 and 26: Graph 2NoteIf there is still malwar
Page 27 and 28: ResultsResultsWe isolated 6,186 app
Page 29 and 30: QuestionWe have what we are looking
Page 31 and 32: The best android programmer ever se
Page 33 and 34: The mystery of leaked certificateWa
Page 35 and 36: Open questionsWhy a ’normal’ de

Hack.lu edition 2012 A forensic analysis of Android Malware

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