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Showing 1-10 of 71 records
 
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Squirreling Backdoors Into Distribution Points

2007-12-19 22:16:35 by Chris Eng in Zero in a bit
 
...distribution tarball on rather than infiltrating the source code repository [1] . In this case, the backdoor was detected when a user noticed that the MD5 published on SquirrelMails website didnt match the calculated MD5 from the SourceForge distribution Since the SVN repository remained intact, we cant go back and examine the backdoor in...
 
Tags: md5 collisions, md5, md5 hashes, distribution, php, execute php code, execute, code, md5 unsafe
 
 
 
 
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Research on Malware Distribution

2008-02-26 06:23:48 by schneier in Schneier on Security
 
...distribution sites are hosted in China, and that 1.3% of Google searches return at least one link to a malicious site. The lead author, Niels Provos, wrote, 'It has been over a year and a half since we started to identify web pages that infect vulnerable hosts via drive-by downloads, i.e. web pages that attempt to exploit their visitors by...
 
Tags: malware, malware distribution sites, million unique urls, urls, web pages, drive-by downloads, infect vulnerable hosts, draft paper, research
 
 
 
 
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Measuring Vulnerability

The Article has images
2008-04-14 14:31:38 by JonesJ in RiskAnalys.is
...distribution to describe this measurement, we account for the fact that under some circumstances wind speeds of less than 150 MPH might compromise the structure, while in some circumstances the structure may be able to withstand speeds greater than 200 MPH If we wanted to measure the structures vulnerability to a specific type of storm (e.g.,...
 
Tags: threat capability curve, capability, human capability, human threat capability, describe control strength, control strength, capability curve, threat community capability, control
 
 
 
 
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Web Server Software and Malware

The Article has images
2007-06-05 09:30:00 by Niels Provos in Google Online Security Blog
...distribution of web server software to provide insight into how server software is correlated to servers hosting malware binaries or engaging in drive-by-downloads We determine server operating system by examining the 'Server:' HTTP header reported by most web servers. A survey of servers running roughly 80 million domain names reveals the...
 
Tags: servers serve malware, servers, apache servers, malicious servers, web server software, server software, web servers, microsoft iis, microsoft iis features
 
 
 
 
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All Your iFrame Are Point to Us

The Article has images
2008-02-11 13:57:00 by Panayiotis Mavrommatis in Google Online Security Blog
...distribution chain of malware, i.e. all the intermediary URLs a browser downloads before reaching a malware payload. We inspected each distribution chain for membership in about 2,000 known advertising networks. If any URL in the distribution chain corresponds to a known advertising network, we count the whole page as being infectious due to...
 
Tags: malware distribution sites, malware distribution, malware, anti-malware team, malware payload, chinese web servers, servers, regular web sites, web sites
 
 
 
 
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Safe Browsing Diagnostic To The Rescue

2008-05-15 13:49:00 by Niels Provos in Google Online Security Blog
 
...distribution of malware Here we provide information if this site has facilitated the distribution of malicious software in the past. This could be an advertising network or statistics site that accidentally participated in the distribution of malicious software Has this site hosted malware Here we provide information if the the site has...
 
Tags: provide information, information, malicious, malicious web pages, malicious software, site, statistics site, site acted, provide
 
 
 
 
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Introducing Google's online security efforts

The Article has images
2007-05-21 09:43:00 by A Googler in Google Online Security Blog
...distribution of sites engaging in drive-by downloads, we analyzed the location of compromised web sites and the location of malware distribution hosts. At the moment, the majority of malware activity seems to happen in China, the U.S., Germany and Russia (see below Location of compromised web sites. These are often sites that are benign in...
 
Tags: activity, malware activity, web servers, servers, malware, anti- malware effort, malware distribution servers, sites, web sites
 
 
 
 
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Benevolent Worms

2008-02-19 06:57:11 by schneier in Schneier on Security
 
...distribution mechanism has the following characteristics People can choose the options they want Installation is adapted to the host it's running on It's easy to stop an installation in progress, or uninstall the software It's easy to know what has been installed where A successful worm, on the other hand, runs without the consent of the...
 
Tags: software worms spread, worms, software, bad software distribution, worm, successful worm, beneficial worms, software distribution mechanism, worm quieter
 
 
 
 
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Malware activities rise in Asia

2008-03-27 15:46:50 by Chenxi Wang in Security & Risk Management
 
...distribution sites are still in US and Europe, but they point to malware hosting sites in Asian countries such as China. This is especially interesting because it points to the fact that hackers from those countries are compromising high traffic Websites in the US and Europe to help distribute malware (the difference between malware...
 
Tags: malware, malware distribution sites, malware distribution, distribute malware, highlight recent malware, internet threat report, internet threat, threat report, malware producers
 
 
 
 
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NGO Security Scenario #8

The Article has embedded video
2007-12-03 03:23:00 by NGO Security in NGO Security
 
...distribution program. After a several hour journey with a staff member, you arrive. An excited group of people has been waiting for the truck and the staff member begins distributing the food. Press the play button below to see