By Dale Liu
Cisco IOS (the software program that runs nearly all of Cisco routers and all Cisco community switches) is the dominant routing platform on the net and company networks. This frequent distribution, in addition to its architectural deficiencies, makes it a necessary objective for hackers seeking to assault a company or inner most community infrastructure. Compromised units can disrupt balance, introduce malicious amendment, and endanger all verbal exchange at the community. For defense of the community and research of assaults, in-depth research and diagnostics are serious, yet no e-book presently covers forensic research of Cisco community units in any element.
Cisco Router and turn Forensics is the 1st e-book dedicated to felony assaults, incident reaction, facts assortment, and felony testimony out there chief in community units, together with routers, switches, and instant entry issues.
Why is that this specialize in community units valuable? simply because criminals are concentrating on networks, and community units require a essentially assorted technique than the method desirous about conventional forensics. through hacking a router, an attacker can skip a network's firewalls, factor a denial of carrier (DoS) assault to disable the community, display screen and checklist all outgoing and incoming site visitors, or redirect that verbal exchange at any place they prefer. yet taking pictures this illegal activity can't be comprehensive with the instruments and methods of conventional forensics. whereas forensic research of pcs or different conventional media quite often consists of speedy shut-down of the objective computing device, construction of a replica, and research of static facts, this procedure hardly recovers stay process facts. So, whilst an research specializes in reside community task, this conventional method evidently fails. Investigators needs to recuperate information because it is transferred through the router or swap, since it is destroyed whilst the community equipment is powered down. as a result, following the normal strategy defined in books on common laptop forensics concepts isn't just inadequate, but in addition primarily destructive to an investigation.
Jargon buster: A community swap is a small equipment that joins a number of desktops jointly inside one neighborhood zone community (LAN). A router is a extra refined community equipment that joins a number of stressed or instant networks together.
- The basically publication dedicated to forensic research of routers and switches, concentrating on the working method that runs the majority of community units within the firm and at the Internet
- Outlines the basic modifications among router forensics and conventional forensics, a severe contrast for responders in an research focusing on community activity
- Details the place community forensics matches in the complete strategy of an research, finish to finish, from incident reaction and information assortment to getting ready a document and felony testimony
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Additional resources for Cisco Router and Switch Forensics. Investigating and Analyzing Malicious Network Activity
GREP is licensed under the GPL, so it costs nothing. It exists natively on virtually every *nix operating system, and has been ported to everything else. For the novice, there are many Internet sources on how to craft GREP patterns. An important limitation to remember is that GREP works on text-based files, and will not be able to search every file you may encounter. If you are dealing with large text-based log files, however, GREP is extremely useful. 33 34 Chapter 1 • Digital Forensics and Analyzing Data Spreadsheets If you are a more visual person, you are more comfortable in a GUI, and your log files are relatively small, a spreadsheet may be an option.
Import and export functions are usually included that allow the data to be analyzed in other applications. For example, you can export a Microsoft Outlook PST file to Excel for analysis. Then you can run summary reports such as a pivot table count to find trends. Tip A powerful commercial tool for analyzing many types of e-mail formats is Paraben Forensics Email Examiner. In addition to working with many e-mail file formats, it can recover deleted e-mail and perform advanced searches on a variety of e-mail formats from multiple vendors.
Pdf. Adam Boileau. pdf. cn=FCT. We fully acknowledge use of Chapter 7, “Digital Forensics and Analyzing Data,” from Cyber Crime Investigations: Bridging the Gaps Between Security Professionals, Law Enforcement, and Prosecutors, ISBN 978-1-59749-133-4. Chapter 2 Seizure of Digital Information Solutions in this chapter: ■■ Defining Digital Evidence ■■ Digital Evidence Seizure Methodology ■■ ■■ ■■ ■■ Factors Limiting the Wholesale Seizure of Hardware Other Options for Seizing Digital Evidence Common Threads within Digital Evidence Seizure Determining the Most Appropriate Seizure Method ˛ Summary ˛ Solutions Fast Track ˛ Frequently Asked Questions 39 40 Chapter 2 • Seizure of Digital Information Introduction Most people in the United States rely on computers and digital devices for myriad business and personal uses.
Cisco Router and Switch Forensics. Investigating and Analyzing Malicious Network Activity by Dale Liu