PPT-Using Dyninst for Program Binary Analysis and Instrumentati

Emily Jacobson No Source Code No Problem With Dyninst we can Find stripped code in program binaries in live processes Analyze code functions controlflowgraphs loop dominator analyses. Binary Numbers. Digital electronic circuitry using logic gates. Base-2 number system using two symbols: 0 & 1. A positional notation system with base (radix) of 2. Different Number Systems. Positional number . Todd Frederick. Vulnerabilities are everywhere…. 2. Binary Concolic Execution. rtm. Robert Morris. An exploit. 3. Binary Concolic Execution. DD8F2F736800DD8F2F62696ED05E5ADD00DD00DD5ADD03D05E5CBC3B. Andrew Bernat, Bill Williams. Binary Modification. 2. Binary Modification with Dyninst. Insert error checking and handling . Predicate switching. Dynamic patching. Code surgery. Goals. Use familiar abstractions. 1. Numbering Systems. Radix. - In mathematical numeral systems, the . radix. or . base. is the number of unique digits, including zero, that a positional numeral system uses to represent numbers. . Michael Laurenzano. 1. , Joshua Peraza. 1. , Laura Carrington. 1. , . Ananta. Tiwari. 1. , William A. Ward. 2. , Roy Campbell. 2. 1. Performance Modeling and Characterization (. PMaC. ) Laboratory, San Diego Supercomputer Center. and its Components. Bill Williams. What’s New in . Dyninst. Dyninst. 7.0.1. ProcControl. , . Stackwalker. . not reintegrated. DataflowAPI. early prototype. Static CFG model. No . PPC. 64 or . BlueGene. Decimal. . vs. Binary. = 1001. = 101. = 10. 1 = on =. 0 = off = . On and off. Creating a decimal number 
from a binary number. STAGE 1. The decimal number is ________. Creating decimal 
from binary. 2. The Deconstruction of Dyninst. _. lock_foo. main. foo. dynamic instrumentation, debugger, static binary analysis tools, malware analysis, binary editor/rewriter, …. 3. Familiar territory. Benjamin Schwarz, . . The Decimal Number System (base-10. ). The . numbering . system we use is called . decimal. ..   It consists of 10 numbers: 0123456789. . It is used by . most. . civilizations today. . In the past, some civilizations . why used. conversions, including to/from decimal. negative binary numbers. floating point numbers. character codes . Lubomir Bic. 1. Radix Number Systems. basic idea of a radix number system --. how do we count:. What is binary?. You and I write numbers like this: twelve is 12, sixty eight is 68, and one hundred is 100. Binary is a . number system . that computers use. That is, binary is the way that computers express numbers.. Look at the . untis. of measurement for computer data. Bit. Byte. Nibble. Kilobyte. Mega / . giga. / . tera. byte. Binary. Nibble. Computers work in binary. We found out why in the hardware section (lesson 5).. 6. 9. 2. 4. 1. 8. <. >. =. © 2014 Goodrich, Tamassia, Goldwasser. Presentation for use with the textbook . Data Structures and Algorithms in Java, 6. th. edition. , by M. T. Goodrich, R. Tamassia, and M. H. Goldwasser, Wiley, 2014. Today’s Lecture. Algorithm . Analysis. Asymptotic analysis. bigO. notation. Project 1. Checkpoint 1 due at 11:30 pm. Submit only the files listed in the deliverables section. If you submit as a group, make sure all files have both team names.