PPT-Attack Transformation to Evade Intrusion Detection

Xitao Wen Xin Zhao Taiyo Sogawa Introduction Protocollevel vulnerability and attack Defense Intrusion DetectionPrevention Our goal Defeat Cisco IPS by manipulating protocollevel attack payload. C Berk ele Dre Dean Xer ox ARC Abstract One of the primary halleng es in intrusion detection is modelling typical application behavior so that we can ec gnize attac ks by their atypical ef fects without aising too many false alarms show h Stephen Huang. Sept. 20, 2013. News. 2. http://arstechnica.com/security/2013/09/meet-hidden-lynx-the-most-elite-hacker-crew-youve-never-heard-of/. 3. Jobs. http://www.homelandsecuritynewswire.com/dr20130809-cybersecurity-jobs-average-over-100-000-a-year. Main Advantages. H . 2. 1. Fiber Optics Technology. . -Covert design. Caused no physical alteration to present building outlook. -Full Fiber Structure thus immune to lightning strike and EMI. Intruders. WenZhan. Song. Cryptography and Network Security. 1. Intruders. Three classes of intruders:. Examples of Intrusion. Performing a remote root compromise of an e-mail server. Defacing a Web server. Intruders. Classes (from [ANDE80]:. two most publicized threats to security are malware and intruders. generally referred to as a . hacker. or . cracker. Examples of Intrusion. remote root compromise. Paper by: T. Bowen. Presented by: Tiyseer Al Homaiyd. 1. Introduction: . Intrusions: show observable events that deviate from the . norm.. Survivable system usually focus on detecting intrusions rather than preventing or containing damage. . &. Intrusion . Detection Systems. 1. Intruders. Three classes of intruders:. Examples of Intrusion. Performing a remote root compromise of an e-mail server. Defacing a Web server. Guessing and cracking passwords. Xitao Wen. Xin Zhao. Taiyo Sogawa. Introduction. Protocol-level vulnerability and attack. Defense: Intrusion Detection/Prevention. Our goal. Defeat Cisco IPS by manipulating protocol-level attack payload. Chapter 7. Intrusion. “Intrusion is a type of attack on information assets in which the instigator attempts to gain entry into a system or disrupt the normal operation of system with, almost always, the intent to do malicious harm.”. modified from slides of . Lawrie. Brown. Classes of Intruders – Cyber Criminals. Individuals or members of an organized crime group with a goal of financial reward. Their activities may include: . Fourth Edition. By: William Stallings and Lawrie Brown. Chapter . 8. Intrusion Detection. Classes of Intruders –. Cyber Criminals. Individuals or members of an organized crime group with a goal of financial reward. Snort. Dan Fleck, PhD. dfleck@gmu.edu. Intrusion . Detection. An . intrusion detection system . (IDS) . analyzes . traffic patterns and . reacts . to anomalous . patterns. . by sending out alerts.. Note that an IDS is inherently reactive; the attack . What is an IDS?. An . I. ntrusion . D. etection System is a wall of defense to confront the attacks of computer systems on the internet. . The main assumption of the IDS is that the behavior of intruders is different from legal users.. CS 469: Security Engineering. These slides are modified with permission from Bill Young (. Univ. of Texas). Coming up: Intrusion Detection. 1. Intrusion . Detection. An . intrusion detection system .