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was done outside the company In other words, this partner company is now a potential target for attack
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/* Author: <company name here> <city the company resides in here> Developer: <specific author1 name here>, <specific author2 name here> Client: <client name here> */
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Even if an organization keeps a close eye on what it posts about itself, its partners are usually not as security-minded They often reveal additional details that, when combined with your other findings, could result in a more sensitive aggregate than your sites revealed on their own Additionally, this partner information could be used later in a direct or indirect attack such as a social engineering attack Taking the time to check out all the leads will often pay nice dividends in the end
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A physical address can prove very useful to a determined attacker It may lead to dumpster-diving, surveillance, social-engineering, and other nontechnical attacks Physical addresses can also lead to unauthorized access to buildings, wired and wireless networks, computers, mobile devices, and so on It is even possible for attackers to attain detailed satellite imagery of your location from various sources on the Internet Our personal favorite is Google Earth (formerly KeyHole) and can be found at http://earth googlecom/ (see Figure 1-1) It essentially puts the world (or at least most major metro areas around the world) in your hands and lets you zoom in on addresses with amazing clarity and detail via a well-designed client application Another popular source is http://terraservermicrosoftcom Using Google Maps (http://mapsgooglecom), you can utilize the Street View (see Figure 1-2) feature, which actually provides a drive-by series of images so you can familiarize yourself with the building, its surroundings, the streets, and traffic of the area All this helpful information to the average Internet user is a treasure trove of information for the bad guys
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Attackers can use phone numbers to look up your physical address via sites like http:// wwwphonenumbercom, http://www411com, and http://wwwyellowpagescom They may also use your phone number to help them target their war-dialing ranges, or to launch social-engineering attacks to gain additional information and/or access Contact names and e-mail addresses are particularly useful datum Most organizations use some derivative of the employee s name for their username and e-mail address (for example, John Smith s username is jsmith, johnsmith, johnsmith, john_smith, or smithj, and his e-mail address is jsmith@examplecom or something similar) If we know one of these items, we can probably figure out the others Having a username is very useful
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Figure 1-1 With Google Earth, someone can footprint your physical presence with
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remarkable detail and clarity
later in the methodology when we try to gain access to system resources All of these items can be useful in social engineering as well (more on social engineering later) Other personal details can be readily found on the Internet using any number of sites like http://wwwblackbookonlineinfo/, which links to several resources, and http:// wwwpeoplesearchcom, which can give hackers personal details ranging from home phone numbers and addresses to social security numbers, credit histories, and criminal records, among other things In addition to these personal tidbits gathered, there are numerous publicly available websites that can be pilfered for information on your current or past employees in order to learn more information about you and your company s weaknesses and flaws The websites you should frequent in your footprinting searches include social networking sites (Facebookcom, Myspacecom, Reunioncom, Classmatescom), professional networking sites (Linkedincom, Plaxocom), career management sites (Monstercom, Careerbuilder com), family ancestry sites (Ancestrycom), and even online photo management sites (Flickrcom, Photobucketcom) can be used against you and your company
1:
Footprinting
Figure 1-2 With Google Maps, you can see what the hacker will see
Once employees, contractor, and vendor names are discovered associated with your company, hackers can then turn to these websites and look up boundless information about the people and companies they are associated with Given enough information, they can build a matrix of data points to provide deductive reasoning that can reveal much of the target s configuration and vulnerabilities In fact, there are so many websites that spill information about your company s assets and their relative security that we could spend an entire chapter on the topic Suffice it to say, almost anything about your company can be revealed from the data housed in those websites Attackers might use any of this information to assist them in their quests extortion is still alive and well An attacker might also be interested in an employee s home computer, which probably has some sort of remote access to the target organization A keystroke logger on an employee s home machine or laptop may very well give a hacker a free ride to the organization s inner sanctum Why bang one s head against the firewalls, IDS, IPS, etc, when the hacker can simply impersonate a trusted user
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