Difference between pages "Internships" and "Google Chrome"

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This page describes internship opportunities in the field of computer forensics. Please feel free to add your own.
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Google Chrome is a [[Web Browser|web browser]] developed by Google Inc.
  
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=Comments=
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== Configuration ==
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The Google Chrome configuration can be found in the Preferences file.
  
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By Chet Uber, March 8, 2007
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On Windows XP
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<pre>
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C:\Documents and Settings\%USERNAME%\Local Settings\Application Data\Google\Chrome\User Data\Default\Preferences
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</pre>
  
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A PROBLEM
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On Windows 7
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----------
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<pre>
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In the Nebraska Cyber Crime Task Force an issue arose which stopped college students from being allowed to work as interns; they do not have the formal training that official forensic officers have and can damage critical evidence. This was a valid comment by the director of the State Patrol's Forensic Lab. A number of us in the room ran through ways to do away with this potential problem (please note this is not at all related to releasing confidential information, but rather the destruction of the original forensic evidence).
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C:\Users\%USERNAME%\AppData\Local\Google\Chrome\User Data\Default\Preferences
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</pre>
  
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A SOLUTION THAT WORKS
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On Linux
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----------------------
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<pre>
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The disk is duplicated, and the duplicate is given to the Universities Forensic Lab Manager, who assigns cases. The intern then performs forensics and records offsets, or other methods to form a "recipe" to find what they found. This receipe can then be passed back to Law Enforcement and they can recreate the examination. This method saves LE a lot of time, and gives good experience to not just one student intern, but can be given to many interns. For more information on this novel solution contact:
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/home/$USER/.config/google-chrome/Default/Preferences
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</pre>
  
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Dr. Blaine Burnham (bburnham@mail.unomaha.edu)
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=== DNS Prefetching ===
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Executive Director, Nebraska University Consortium on Information Assurance
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Dr. Burnham is the Director of NUCIA and a Senior Research Fellow for the College of Information Science and Technology. Most recently, he was the Director of the Georgia Tech Information Security Center. Previously, Burnham worked in a variety of information assurance roles at the National Security Agency (NSA), Los Alamos National Laboratory, and Sandia Laboratory.
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DNS is prefetched for related sites, e.g. links on the page.
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This behavior is controlled by the setting "Predict network actions to improve page load performance"
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Which is enabled by default.
  
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To see the top class labs that are available at this institution see:
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If enabled the Preferences file contains:
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<pre>
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  "dns_prefetching": {
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      "enabled": true,
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</pre>
  
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http://nucia.unomaha.edu/steal/labs.php
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If disabled the Preferences file contains:
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<pre>
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  "dns_prefetching": {
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      "enabled": false,
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</pre>
  
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<-END COMMENT->
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== Start-up DNS queries ==
  
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=USA=
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When Chrome starts it queries for several non-existing hostnames that consists of a 10 random characters, E.g.
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<pre>
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ttrgoiknff.mydomain.com
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bxjhgftsyu.mydomain.com
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yokjbjiagd.mydomain.com
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</pre>
  
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1. Check out this page: http://www.rit.edu/~gtfsbi/forensics/internships.htm it has a load of internships although all are not stipend paying
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This is used to determine if your ISP is hijacking NXDOMAIN results [http://www.google.com/support/forum/p/Chrome/thread?tid=3511015c72a7b314&hl=en].
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2. Internet Crimes Against Children.  ICAC has offices in almost every state.
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3. Check with companies that do computer forensics. Examples include Kroll and Pinkerton.
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4. Explore the Scholarship for Service and Scholarship for Work programs offered by the US Government.
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==Vermont==
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== History ==
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Vermont ICAC (Internet Crimes Against Children). http://www.vtspecialcrimes.org/
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Chrome stores the history of visited sites in a file named History. This files uses the [[SQLite database format]].
  
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Vermont State Patrol. They are almost always understaffed, and may have suggestions working with Counties and Cities. It requires a that you are not a felon and can pass a 7-year background check -- but a lot of places are so backlogged they are putting on reserve deputies to work cyber crime. http://www.dps.state.vt.us/vtsp/bci.html
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=== Timestamps ===
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The History file uses the following timestamps.
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==== visits.visit_time ====
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The visit date and time values in the visit table are in (the number of) microseconds since January 1, 1601 UTC
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Some Python code to do the conversion into human readable format:
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<pre>
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date_string = datetime.datetime( 1601, 1, 1 )
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            + datetime.timedelta( microseconds=timestamp )
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</pre>
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Note that this timestamp is not the same as a Windows filetime which is (the number of) 100 nanoseconds since January 1, 1601 UTC
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==== downloads.start_time ====
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The start date and time values in the downloads table are in (the number of) seconds since January 1, 1970 UTC
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Some Python code to do the conversion into human readable format:
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<pre>
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date_string = datetime.datetime( 1970, 1, 1 )
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            + datetime.timedelta( seconds=timestamp )
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</pre>
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== See Also ==
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* [[SQLite database format]]
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== External Links ==
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* [http://en.wikipedia.org/wiki/Google_Chrome Wikipedia article on Google Chrome]
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* [http://www.google.com/support/forum/p/Chrome/thread?tid=3511015c72a7b314&hl=en Chrome support forum article random 10 character hostnames on startup]
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[[Category:Applications]]
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[[Category:Web Browsers]]

Revision as of 05:25, 17 October 2011

Google Chrome is a web browser developed by Google Inc.

Contents

Configuration

The Google Chrome configuration can be found in the Preferences file.

On Windows XP 

C:\Documents and Settings\%USERNAME%\Local Settings\Application Data\Google\Chrome\User Data\Default\Preferences

On Windows 7 

C:\Users\%USERNAME%\AppData\Local\Google\Chrome\User Data\Default\Preferences

On Linux 

/home/$USER/.config/google-chrome/Default/Preferences

DNS Prefetching

DNS is prefetched for related sites, e.g. links on the page. This behavior is controlled by the setting "Predict network actions to improve page load performance" Which is enabled by default.

If enabled the Preferences file contains: 

   "dns_prefetching": {
      "enabled": true,

If disabled the Preferences file contains: 

   "dns_prefetching": {
      "enabled": false,

Start-up DNS queries

When Chrome starts it queries for several non-existing hostnames that consists of a 10 random characters, E.g. 

ttrgoiknff.mydomain.com
bxjhgftsyu.mydomain.com
yokjbjiagd.mydomain.com

This is used to determine if your ISP is hijacking NXDOMAIN results [1].

History

Chrome stores the history of visited sites in a file named History. This files uses the SQLite database format.

Timestamps

The History file uses the following timestamps.

visits.visit_time

The visit date and time values in the visit table are in (the number of) microseconds since January 1, 1601 UTC

Some Python code to do the conversion into human readable format: 

date_string = datetime.datetime( 1601, 1, 1 )
            + datetime.timedelta( microseconds=timestamp )

Note that this timestamp is not the same as a Windows filetime which is (the number of) 100 nanoseconds since January 1, 1601 UTC

downloads.start_time

The start date and time values in the downloads table are in (the number of) seconds since January 1, 1970 UTC

Some Python code to do the conversion into human readable format: 

date_string = datetime.datetime( 1970, 1, 1 )
            + datetime.timedelta( seconds=timestamp )

See Also

External Links

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