By Mike Schiffman

ISBN-10: 0072228563

ISBN-13: 9780072228564

“A solve-it-yourself secret that would draw you in with enjoyable, but sensible situations that either problem and tell you.” —Tim Newsham, defense study scientist, @stake, Inc.

Malicious hackers are all over the place nowadays, so how do you retain them from your networks? This distinct quantity demanding situations your forensics and incident reaction abilities with 20 real-world hacks offered by means of upper-echelon defense specialists. very important subject matters are coated, together with Denial of provider, instant applied sciences, net assaults, and malicious code. every one problem encompasses a specific clarification of the incident—how the break-in was once detected, facts and attainable clues, technical heritage resembling log records and community maps, and a sequence of questions so you might remedy. Then, partially II, you get an in depth research of ways the specialists solved each one incident.

Excerpt from “The Insider”:

The Challenge:

Kris, a software program company's senior I.T. staffer, bought a decision from the helpdesk....Users have been complaining that the full contents in their inbox, outbox, and deleted goods folders had thoroughly disappeared....The following Monday, Kris stumbled on that the complete alternate database were deleted....The attacker despatched an electronic mail from a Yahoo! account taking accountability for the attacks....The electronic mail were despatched from a laptop in the victim's community. Kris introduced in an exterior defense workforce who instantly all started their investigation...In addition to amassing actual protection logs, Microsoft alternate logs, and digital inner most community (VPN) logs they interviewed key humans contained in the company....

The Solution:

After reviewing the log documents integrated within the problem, suggest your assessment—when did the deletion of electronic mail bills start and finish, which clients have been attached to the VPN on the time, and what IP addresses have been the clients connecting from? Then, flip to the experts' solutions to determine what quite happened.

Contributing authors include:

Top safety execs from @stake, Foundstone, Guardent, The Honeynet undertaking, collage of Washington, Fortrex applied sciences, SecureMac.com, AnchorIS.com, and the nationwide defend info battle unit.

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Extra resources for Hacker's Challenge: Test Your Incident Response Skills Using 20 Scenarios

Sample text

Both buildings were located in a busy downtown area that hosted many high-tech companies. T Wednesday, May 02, 2001, 13:00 Laura, the senior network administrator responsible for the network at Gibbon’s headquarters and main warehouse, got a call from an IT director at a Midwest consulting company claiming that they were seeing suspicious activity at their border from an IP address in her network. Caught completely by surprise, Laura listened intently to the IT director’s description of the traffic coming from his network, which included active and passive TCP scans, as well as ping scans.

26-Feb-00 4:34 Exchange Private Success Audit NT User VICTIMDOMAIN\ exadmin logged onto nstephenson mailbox, and is not the primary Windows NT account on this mailbox. 26-Feb-00 4:39 Exchange Private Success Audit NT User VICTIMDOMAIN\ exadmin logged onto thawk mailbox, and is not the primary Windows NT account on this mailbox. 26-Feb-00 4:40 Exchange Private Success Audit NT User VICTIMDOMAIN\ exadmin logged onto mborbely mailbox, and is not the primary Windows NT account on this mailbox. 26-Feb-00 4:41 Exchange Private Success Audit NT User VICTIMDOMAIN\ exadmin logged onto wspeyer mailbox, and is not the primary Windows NT account on this mailbox.

The victim, Gibbon Enterprises, is a medium-sized, privately held, commercial retailer that sells all of its merchandise through its Web site. Gibbon’s network, as it pertains to the incident, is shown in Figure 3-1. There is one logical network in two buildings, a corporate LAN in the office headquarters, and the warehouse network in an adjacent building that included a wireless segment for inventory management that was in the process of being rolled out. At the time of the incident, the wireless network was in an alpha stage and not in any sort of production mode.

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Hacker's Challenge: Test Your Incident Response Skills Using 20 Scenarios by Mike Schiffman


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