Merge branch 'main' of git.mineau.eu:these-ammii/thesis
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2 changed files with 33 additions and 1 deletions
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@ -108,7 +108,7 @@ The remaining #num(nb_bytecode_collected - nb_google - nb_appsflyer - nb_faceboo
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caption: [Most common dynamically loaded files]
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) <tab:th-bytecode-hashes>
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=== Impact on Analysis Tools Finishing Rate
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=== Impact on Analysis Tools
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Unfortunately, our implementation of the transformation is imperfect and does fails some time.
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Over the #num(dyn_res.all.nb - dyn_res.all.nb_failed), #num(nb_patched) were patched.
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@ -136,6 +136,24 @@ We run the tools on the #APK before and after patching, and compared the finishi
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#jfl-note[Combien d'app tranforme? on parle des 888? on fait les 2 tranformation sur chaque apk? ca reussit tout le temps?]
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#todo[Finish @tab:th-compare-cg]
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#figure({
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let nb_col = 3
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table(
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columns: (2fr, 2fr, 1fr),
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table.header(
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//[SHA 256], [Original CG edges], [New CG edges], [Edges added], [Reflection edges added],
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[SHA 256], [CG Edges added], [Reflection edges added],
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),
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..compared_callgraph.map(
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//(e) => ([#lower(e.sha256).slice(0, 10)...], num(e.edges_before), num(e.edges_after), num(e.added), num(e.added_ref_only))
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(e) => ([#lower(e.sha256).slice(0, 10)...], [#num(e.added) #h(.5em) #text(fill: luma(75))[(#num(e.edges_after) - #num(e.edges_before))]], num(e.added_ref_only))
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).flatten(),
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[#lower("5D2CD1D10ABE9B1E8D93C4C339A6B4E3D75895DE1FC49E248248B5F0B05EF1CE").slice(0, 10)...], table.cell(colspan: nb_col - 1)[Instrumentation Crached]
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)},
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caption: []
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) <tab:th-compare-cg>
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=== Example
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We use on our approach on a small #APK.
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@ -100,6 +100,20 @@
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(1, "0a446677e3eb0e015827f3d2d67df23ed9042e436bb5bab5cc9fae961e20600f", "", DEX),
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)
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#let compared_callgraph = csv(
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bytes("sha256,edges_before,edges_after,added,added_ref_only
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0019D7FB6ADDA0619C0BEFC8DE53E2E59139B3BC0DE62E30BB0E2AB5B2C6D79D,641,60170,59529,1
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274B677449ACB313396C833475183E384D69C611F5FCA0DFCA4E415FB057C012,537613,540674,3061,26
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34599C24994658C0FE3D40A67E655584AF657408C803595B771DCAC58A6A7F02,336740,339616,2876,29
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35065C683441E62C59C0DA0D86E6793256E33E54834E22AD0F70F44C99419E2F,343245,346694,3449,26
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E7B2FB02FF14706D989BE662CEE89954FD49CFBAB3CEEE449CD215188EECA433,464642,465389,747,91
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EFECECC03CBD7EE7B73F80CCB2ABD6A5F59C7E33150D336AD7BF8601CFB9A4EF,243647,243925,278,23
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F34CE1E7A81F935A5BB2D0B2B3FE81E62C1C8B906C92253C9CA467DA9BB3C9D1,704095,706576,2481,28
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"),
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// 5D2CD1D10ABE9B1E8D93C4C339A6B4E3D75895DE1FC49E248248B5F0B05EF1CE,,,,
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row-type: dictionary
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)
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// #let nb_bytecode_collected = 640
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#let nb_bytecode_collected = bytecode_hashes.map((e) => e.at(0)).sum()
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#let nb_google = bytecode_hashes.filter((e) => "google" in e.at(2)).map((e) => e.at(0)).sum()
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