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ESORICS 2011

Feb 23, 2016

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ESORICS 2011. Timing is Everything : The Importance of History Detection. FISHING SITE!. Timing is Everything : The Importance of History Detection. Old tab has gets a handle to the new tab Tricks exist to detect when a user goes to a new webpage ( history detection ) - PowerPoint PPT Presentation

ESORICS 2011

ESORICS 2011Timing is Everything:The Importance of History Detection

FISHING SITE!Timing is Everything:The Importance of History Detection

Old tab has gets a handle to the new tabTricks exist to detect when a user goesto a new webpage (history detection)Attacker detects, and redirects pageto fishing siteWho wrote this code?Identifying the Authors of Program Binaries

AuthorsProgramsWho wrote which program?Different authors different coding stylesWho wrote this code?Idioms (push ebp | * | mov esp,ebp)(Call) Graphlets

Byte n-grams0x75, 0x30, 0x90, 0x0cUse machine learning to map features to authors

#Authors#Programs93834191174732203Privacy-Preserving DNSClientDNS Resolver.beugent.beelis.ugent.beISPs DNSGoogle Public DNSOpenDNS

Knows which websites are visited per user!Privacy-Preserving DNSClientDNS Resolver.beugent.beelis.ugent.beBroadcastPopular domainsMix 1Mix 2Mix nTop 100/1000/ domains broadcasted Less communicationMixing traffic through different mixers hides your identitySimulation of latency using real DNS traffic dataZero latency for >=80% of lookups with broadcasting top 10.000 domainsAnalysis of safety of privacy of range queriesRemote Timing Attacks Are Still Practical

OpenSSL TLS handshake withECDSA signatures

Timing of messagesMessagesSignaturesLattice AttackA.k.aMagic

Automated Information Flow Analysis of Virtualized InfrastructuresComplex !Manual analysis is unfeasible

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