9 intrusion detection systems

... http:///level/XX/exec/ where XX is 16 - 99 There are two subsignatures IDs: I SubSig fires when XX is between 16 and 19 inclusive I SubSig fires when XX is between 20 and 99 inclusive I 5130-Bugzilla globals.pl:This ... procedure can cause false positives I 399 0-BackOrifice BO2K TCP Non Stealth:This signature fires when nonstealth traffic of the BO2K toolkit is detected I 399 1-BackOrifice BO2K TCP Stealth 1: Stealth ... the HTML root directory www.syngress.com 267_cssp_ids_appx.qxd 9/ 30/03 5:35 PM Page 5 29 Cisco IDS Sensor Signatures • Appendix A I 32 29- Website Win-C-Sample Buffer Overflow:This signature fires when...

Ngày tải lên: 13/08/2014, 15:20

... VLAN 199 Which Catalyst OS commands are used to achieve this configuration? A set trunk 9/ 2 199 B clear trunk 9/ 2 199 C clear trunk 9/ 2 1-1024 D clear trunk 9/ 1 1-1024 E set trunk 9/ 1 199 F clear ... and/or hex encoding and bypass the Intrusion Detection systems Reference: Cisco Intrusion Detection System -Cisco Security Advisory: Cisco Secure Intrusion Detection System Signature Obfuscation ... the 192 .168.21.0/24 network Which address must the network security administrator add to the Cisco IDS Sensor’s network access control list? A 192 .168.21 B 192 .168.21 C 192 .168 D 192 .168 E 192 .168.21.0...

Ngày tải lên: 17/01/2014, 14:20

... Reinitializing the Sensor xiii 47 49 50 51 53 55 56 57 58 59 60 62 69 70 72 75 76 76 79 81 83 83 83 93 94 95 95 96 97 97 98 98 99 99 100 102 267_cssp_ids_TOC.qxd xiv 9/ 30/03 7:17 PM Page xiv Contents ... www.syngress.com 267_cssp_ids_01.qxd 9/ 25/03 4: 39 PM Page Chapter • Introduction to Intrusion Detection Systems devices, virus scanning systems, intrusion detection, and security management solutions ... Hack Proofing Sun Solaris (Syngress Publishing, ISBN: 192 899 4-44-X) and Hack Proofing Your Network, Second Edition (Syngress, ISBN: 1 -92 899 4-70 -9) When not working on network security issues or traveling...

Ngày tải lên: 25/03/2014, 11:09

... wavelet analysis and finally a decision on the intrusion is made The authors evaluate their system against the data from the 199 9 DARPA intrusion detection dataset and from a real WiFi ISP network ... “Multilayer statistical intrusion detection in wireless networks,” coauthored by Mohamed Hamdi et al., a vertical stack, from physical to transport layer, of traffic anomaly detection mechanisms is ... levels, including wireless signal strength transition detection (MAC address spoofing) and the traffic rate process anomaly detection (network intrusion) which are the key components of the multilayer...

Ngày tải lên: 21/06/2014, 22:20

... our taxonomy of Internet epidemic detection and defenses 10 12 Intrusion Detection Systems Intrusion Detection Systems 3.1 Source detection and defenses Source detection and defenses are deployed ... Epidemics: Attacks, Detection and Defenses, and and Trends Fig A Taxonomy of Internet Epidemic Attacks, Detection and Defenses, and Trends 4 Intrusion Detection Systems Intrusion Detection Systems and ... (Oct./2010 accessed) [54] Distributed Intrusion Detection System (DShield), http://www.dshield.org/ 16 18 Intrusion Detection Systems Intrusion Detection Systems (Oct./2010 accessed) [55] Honeypots:...

Ngày tải lên: 27/06/2014, 05:20

... our taxonomy of Internet epidemic detection and defenses 10 12 Intrusion Detection Systems Intrusion Detection Systems 3.1 Source detection and defenses Source detection and defenses are deployed ... Epidemics: Attacks, Detection and Defenses, and and Trends Fig A Taxonomy of Internet Epidemic Attacks, Detection and Defenses, and Trends 4 Intrusion Detection Systems Intrusion Detection Systems and ... (Oct./2010 accessed) [54] Distributed Intrusion Detection System (DShield), http://www.dshield.org/ 16 18 Intrusion Detection Systems Intrusion Detection Systems (Oct./2010 accessed) [55] Honeypots:...

Ngày tải lên: 29/06/2014, 13:20

... Agenda       Introduction to Intrusion Detection Host-Based IDSs Network-Based IDSs IDS Management Communications: Monitoring the ... from within the organization IDSs are effective solutions to detect both types of intrusions continuously These systems run constantly in a network, notifying network security personnel when they ... Example: the detection of specific data packets that originate from a user device rather than from a network router Anomaly-Based IDS Overview of Anomaly-Based IDS Pros Unknown attack detection...

Ngày tải lên: 01/08/2014, 07:20

... Reinitializing the Sensor xiii 47 49 50 51 53 55 56 57 58 59 60 62 69 70 72 75 76 76 79 81 83 83 83 93 94 95 95 96 97 97 98 98 99 99 100 102 267_cssp_ids_TOC.qxd xiv 9/ 30/03 7:17 PM Page xiv Contents ... www.syngress.com 267_cssp_ids_01.qxd 9/ 25/03 4: 39 PM Page Chapter • Introduction to Intrusion Detection Systems devices, virus scanning systems, intrusion detection, and security management solutions ... Hack Proofing Sun Solaris (Syngress Publishing, ISBN: 192 899 4-44-X) and Hack Proofing Your Network, Second Edition (Syngress, ISBN: 1 -92 899 4-70 -9) When not working on network security issues or traveling...

Ngày tải lên: 13/08/2014, 15:20

... 267_cssp_ids_02.qxd 9/ 25/03 4:40 PM Page 69 Cisco Intrusion Detection • Chapter Summary Building upon Chapter 1, we’ve covered Cisco’s vision and implementation of comprehensive intrusion detection After ... 267_cssp_ids_02.qxd 9/ 25/03 4:40 PM Page 61 Cisco Intrusion Detection • Chapter Figure 2.3 Simple IDS Deployment ISP ISP 1.54Mbps 1.54Mbps Perimeter Routers Detection on external network External Switch Detection ... Appliances Solutions Fast Track What Is Cisco Intrusion Detection? Cisco Intrusion Detection is a holistic approach to security based on accurate threat detection, intelligent threat investigation...

Ngày tải lên: 13/08/2014, 15:20

... regarding ACLs I Number 1 99 The IP Standard access list I Number 100– 199 The IP Extended access list I Number 1300– 199 9 The IP Standard access list Expanded range Number 2000–2 699 The IP Extended access ... Track Frequently Asked Questions 1 19 267_cssp_IDS_04.qxd 120 9/ 25/03 4:43 PM Page 120 Chapter • Cisco IDS Management Introduction There is so much more to intrusion detection than just putting a sensor ... to create a new network (Refer to Figure 4 .9. ) www.syngress.com 267_cssp_IDS_04.qxd 9/ 25/03 4:43 PM Page 131 Cisco IDS Management • Chapter Figure 4 .9 Adding a Network In the Network screen, add...

Ngày tải lên: 13/08/2014, 15:20

... 165083186 592 0174 498 7257 493 9340 499 1 693 402353482235 79 15 597 86052417380756154120307572 096 25612325747411882803771482 5114686832358 299 698 88641604222413 298 190 2416287 493 190 43722061 020 492 1172702 794 24373248168 497 035483832 795 20772060730 597 44 499 ... 80756154120307572 096 256123257474118828037714825114686832358 299 698 88641604222 413 298 190 2416287 493 190 43722061020 492 1172702 794 24373248168 497 035483832 795 2077 2060730 597 44 499 63827501012040238 091 394 4227362650 192 72114758785025 494 84330223 6884372 899 127817 ... id: 192 .168.50.3 exponent: 35 length: 1024 modulus: 165083186 592 0174 498 7257 493 9340 499 1 693 402353482235 791 5 597 860524173 80756154120307572 096 256123257474118828037714825114686832358 299 698 88641604222...

Ngày tải lên: 13/08/2014, 15:20

... 199 9 : back door SYN-port 199 9 90 09 (SubSig 0) Back Door SYN-port 6711 : back door SYN-port 6711 90 10 (SubSig 0) Back Door SYN-port 6712 : back door SYN-port 6712 90 11 (SubSig 0) Back Door SYN-port ... 6713 : back door SYN-port 6713 90 12 (SubSig 0) Back Door SYN-port 6776 : back door SYN-port 6776 90 13 (SubSig 0) Back Door SYN-port 1 695 9 : back door SYN-port 1 695 9 90 14 (SubSig 0) Back Door SYN-port ... SYN-port 20034 90 06 (SubSig 0) Back Door SYN-port 27374 : back door SYN-port 27374 90 07 (SubSig 0) Back Door SYN-port 1234 : back door SYN-port 1234 90 08 (SubSig 0) Back Door SYN-port 199 9 : back door...

Ngày tải lên: 13/08/2014, 15:20

... packets is met Signature 99 3 is very useful in tuning the sensor Signatures 99 4 - Have Traffic and 99 5 - NO Traffic detect traffic at the interface If traffic is detected, signature 99 4 will fire If traffic ... like 99 8 - Daemon Down and 99 9 - Daemon Unstartable! appear when sensor services fail or cannot be started or restarted Communication between the sensor and director is also monitored 99 3 - Missed ... will fire If traffic is not detected for a certain period of time signature 99 5 will fire.The last two, 99 6 - Route Up and 99 7 Route Down provide communication information between the sensor and director.The...

Ngày tải lên: 13/08/2014, 15:20

... simply use these commands: sw 290 0(config)# int Fa0/1 sw 290 0(config-if)# port monitor sw 290 0(config-if)# ^Z www.syngress.com 391 267_cssp_ids_ 09. qxd 392 9/ 30/03 4:27 PM Page 392 Chapter • Capturing Network ... www.syngress.com 395 267_cssp_ids_ 09. qxd 396 9/ 30/03 4:27 PM Page 396 Chapter • Capturing Network Traffic We will use the following port configuration, as shown in Figure 9. 5 Figure 9. 5 Example Switch ... excluding one port, 3/1, as shown in Figure 9. 6 www.syngress.com 399 267_cssp_ids_ 09. qxd 400 9/ 30/03 4:27 PM Page 400 Chapter • Capturing Network Traffic Figure 9. 6 Filtering on a Trunk Switch VLAN Fa3/1...

Ngày tải lên: 13/08/2014, 15:20

... Cisco Secure Intrusion Detection Systems Exam (CSIDS 9E0-100) still refers to a total number of 59 signatures that Cisco IOS-IDS supports www.syngress.com 267_Cisco_IDS_11.qxd 9/ 30/03 4: 09 PM Page ... responds to intrusions Figure 11.4 shows how the LAN of Prince Partners Inc is connected to the Internet via Router1 www.syngress.com 495 267_Cisco_IDS_11.qxd 496 9/ 30/03 4: 09 PM Page 496 Chapter ... www.syngress.com 497 267_Cisco_IDS_11.qxd 498 9/ 30/03 4: 09 PM Page 498 Chapter 11 • Cisco Firewall/IDS IOS Signature audit statistics [process switch:fast switch] signature 1101 packets audited: [0 :98 ] signature...

Ngày tải lên: 13/08/2014, 15:20

... (TCP 27374) 92 07-Back Door Response (TCP 1234) 92 08-Back Door Response (TCP 199 9) 92 09- Back Door Response (TCP 6711) 92 10-Back Door Response (TCP 6712) 92 11-Back Door Response (TCP 6713) 92 12-Back ... (TCP 2021) 92 25-Back Door Response (TCP 20168) 92 26-Back Door Response (TCP 1 092 ) 92 27-Back Door Response (TCP 2018) 92 28-Back Door Response (TCP 20 19) 92 29- Back Door Response (TCP 2020) 92 30-Back ... File Command Exec 90 25-Back Door Probe (TCP 20168) 90 26-Back Door Probe (TCP 1 092 ) 90 27-Back Door Probe (TCP 2018) 90 28-Back Door Probe (TCP 20 19) 90 29- Back Door Probe (TCP 2020) 90 30-Back Door...

Ngày tải lên: 13/08/2014, 15:20

... October 9, 199 9 Added info on limitations Version 0.6, July 17, 199 9 Updated info from NAI and NFR straight from the vendors (hope I got it right) Added 8.7 and 8.8 Version 0.5, May 19, 199 9 Russian ... Network Intrusion Detection Systems under Win95/Win98? - How I increase intrusion detection/ prevention under UNIX? - How I increase intrusion detection/ prevention under Macintosh? - How I increase intrusion ... AQ%20Network%2 0Intrusion% 2 0Detection% 2 0Systems. htm (38 of 53)8/1/2006 2:07:14 AM FAQ: Network Intrusion Detection Systems If you install an intrusion detection system, you WILL see intrusions on...

Ngày tải lên: 18/10/2014, 19:12

... of, to serve as examples, Heberlein et al ( 199 0), Habra et al ( 199 2), Anderson et al ( 199 5), White and Pooch ( 199 6), and Lindqvist and Phillip ( 199 9) At the early stage of information assurance ... test-bed created for DARPA 199 8 and 199 9 intrusion detection evaluations, to conduct the RTIDS experiments They built a network test-bed based on LARIAT by plugging the Intrusion Detection modules into ... collected data by pre-implemented detection principle to find out embedded intrusions Researchers (Helman and Liepins, 199 3; Axelsson et al, 199 8; Lane and Brodie, 199 8) have studied the problem of...

Ngày tải lên: 06/10/2015, 20:50

... 0000 03ff 0x0070 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0x0080 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0x0 090 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0x0370 90 90 90 90 eb56 5e56 5656 31d2 ... 204.174.x.x.53573: P 1:358(357) ack 1 19 win 5 792 0x0000 4500 0 199 92 70 4000 3f06 6778 0000 0000 E p@.?.gx 0x0010 ccae 0000 0000 d145 96 69 c 792 de3d d91c .P.E.i = 0x0020 8018 16a0 2fa9 0000 0101 080a 0064 55fe ... 204.174.x.x.53573 > 68.48.x.x.80: S 3728 595 1 09: 3728 595 1 09( 0) win 5840 68.48.x.x.80 > 204.174.x.x.53573: S 25235147 69: 25235147 69( 0) ack 3728 595 110 win 5 792 204.174.x.x.53573 > 68.48.x.x.80: ack...

Ngày tải lên: 13/08/2014, 12:21

... prototype_idmef_many2one: Look-Ahead Correlation: alert(236470) with alert(236386): delta 1645 .99 999 9 seconds; threshold 1646 .99 999 9 seconds alertstat@localhost@10/26/2003 03:30:07.000002: MESSAGE: prototype_idmef_procpath: ... few intrusion detection systems, including the STAT Framework In addition to IDMEF, the IDWG also proposed the Intrusion Detection Exchange protocol that utilizes Tunnels and BEEP channels [9] ... need to keep these systems secure has been approached from several different aspects, one of which is the employment of intrusion detection systems An evolution of the intrusion detection system...

Ngày tải lên: 30/10/2014, 20:04