Computer Security SEGC-00 - Overview
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1 Paulo Lício de Geus SEGC-00 - Overview Detailed program March 3, / 14 Computer Security SEGC-00 - Overview Paulo Lício de Geus LASCA-IC-Unicamp Laboratory of Security and Cryptography Institute of Computing University of Campinas March 3, 2015
2 Paulo Lício de Geus SEGC-00 - Overview Detailed program March 3, / 14 MO639/MC942 Summary This course is about computer security, both from the network view as well as the machine, its OS and applications point of view. Students shall demonstrate ability in research and programming and shall acquire both overall compreehension and specific abilities. Lecture and Office Hours Lectures: 3:19 21, 5:21 23; Room: 351 (IC3.5) Office hours: 3:18, 5:20; Room: 26 full mailing list (professor + TAs + students): segc@lasca.ic.unicamp.br instructors list (professor + TAs): segc-staff@lasca.ic.unicamp.br
3 Paulo Lício de Geus SEGC-00 - Overview Detailed program March 3, / 14 Topics Introduction Basic Knowledge Network Security Protocol Analysis Network Defenses Planned, but probably only on a follow-up course: Machine Defenses Application Security Web Vulnerabilities
4 Paulo Lício de Geus SEGC-00 - Overview Detailed program March 3, / 14 References Nakamura-deGeus - Segurança de Redes em Ambientes Cooperativos, Novatec, 2010 ( more or less 3rd ed) Garfinkel-Schwartz-Spafford - Practical Unix and Internet Security 3rd ed, 2003 Zwicky-Cooper-Chapman - Building Internet Firewalls, 2nd ed, 2000 Mann-Mitchell-Krell - Linux System Security 2nd ed, 2002 Hoglund-McGraw - Exploiting Software: How to Break Code 1st ed, 2002 Howard-LeBlanc - Writing Secure Code: Practical Strategies and Proven Techniques for Building Secure Applications in a Networked World, 1st ed, 2002 Anley-Heasman-Lindner-Richarte - The Shellcoder s Handbook: Discovering and Exploiting Security Holes, 1st ed, 2007 Davis-Bodmer-LeMasters - Hacking Exposed: Malware and Rootkits, 1st ed, 2009
5 Paulo Lício de Geus SEGC-00 - Overview Detailed program March 3, / 14 Prerequisites Computer Networks, strong emphasis on TCP/IP C, Python, Assembly Programming Linux system level knowledge Autonomy to research methods/solutions
6 Paulo Lício de Geus SEGC-00 - Overview Detailed program March 3, / 14 Evaluation n written Exams: 2/4 of grade p practical Experiments: 1/4 k extra Assignments: 1/4 Note: the extra assignments factor on the grade may vary in the 0 100% range. Exams are individual: plagiarism not accepted Practical experiences in teams of 1 2 students
7 Paulo Lício de Geus SEGC-00 - Overview Detailed program March 3, / 14 Introduction Failures and vulnerabilities, common practices and excuses, threats Vulnerabilities in general, risks, Internet history Increase of vulnerabilities and incidents, hacking history Classical incidents, parlance, ethics, policies (penetration testing)
8 Paulo Lício de Geus SEGC-00 - Overview Detailed program March 3, / 14 Basic, assumed knowledge Unix services: rc scripts, Unix and TCP/IP sockets, xinetd, users/permissions Filesystems, suid, PAM, OTP, ACLs, capabilities Cryptography: basic functions, algorithms, secure communications, man-in-the-middle key management, certificates, PKI, OpenPGP
9 Paulo Lício de Geus SEGC-00 - Overview Detailed program March 3, / 14 Network Security TCP/IP: protocols, addressing, CIDR, Ethernet, ARP, sniffing tools IP routing, IP spoofing, hijacking, MITM, ARP spoofing IP: attacks, fragmentation, Ping of Death ICMP: ping, attacjs, smurf, redirect, dest unreachable, time exceeded, traceroute UDP: header, spoofing, hijacking, NIS, NFS, portscan TCP: sequence, windows, flags, portscan, OS fingerprinting, spoofing/mitnick ISN, hijacking, hunt, ACK storm, SYN flooding/cookies, states IPSec: AH, ESP, modes, IKE, IPv6 Wireless: link level, CSMC/CA, modes, associations, energy, WEP/WPA, attacks sniffing, crypto attacks, DoS, injection, MITM, protections, 802.1x, wardriving
10 Paulo Lício de Geus SEGC-00 - Overview Detailed program March 3, / 14 Protocol Analysis FTP: vulnerabilities, attacks/scan through bounce DNS: resolving, zone transfer, spoofing, hijacking, contamination, Kaminsky, Birthday Botnets: history, Drive-by downloads, architectures, evolution, uses
11 Paulo Lício de Geus SEGC-00 - Overview Detailed program March 3, / 14 Network Defenses IDS, architectures, classification, abuse/anomaly, precision, IDMEF, NIDS/HIDS Sniffing: injection, evasion, dessynchronization, defragmentation TCP reassembly: alert and component correlation, normalization, pre-processing alert recombination, verification, attack sequence reconstruction packet filtering, secure channels, , VPN, https
12 Paulo Lício de Geus SEGC-00 - Overview Detailed program March 3, / 14 Machine Defenses Software installation, backup, system accounting Event logging and monitoring, auditing, password scan file integrity, TCPWrapper, SELinux, VM
13 Paulo Lício de Geus SEGC-00 - Overview Detailed program March 3, / 14 Application Security local and remote attacks, Unix processes, parameters, filesystems TOCTOU attacks, open files, assembly, memory addressing x86 registers, data sizes, signals, instructions, execution levels stack, frames, prologue/epilogue Object files:.com, a.out, PE, ELF. process data structures, gdb Buffer overflows: stack, shell code, syscalls, execve, string, egg, overrun Advanced attacks: setjmp/longjmp, off-by-one, array/integer/heap overflow teardrop, return-to-libc, chunk management, memory allocation, unlink macro, double free, C++ Vtables, format string, locale Solutions to overflow: static/dynamic analysis, libc replacement, confining, StackGuard, StackShield, Propolice, Windows, PaX, Armor
14 Paulo Lício de Geus SEGC-00 - Overview Detailed program March 3, / 14 Web Vulnerabilities Architecture, http, methods, status, headers, URI/URL/URN, authentication State, attached info, CGI, ASP, Servlets, PHP, Java Applets, ActiveX Scriptting languages, JavaScript, AJAX, XML, Mashups Authentication and authorization attacks, injection: PHP, HTML, SQL. XPath, LDAP XSS, reflection, solutions, CSRF/XSRF, HTTP attacks, scanners, crawling
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