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Java numerical calculation benchmark
Update: it seems that the JITting process has improved quite a bit these last years (which is to be expected), and the differences are much smaller (and in some cases in favor of Java). Also, the discussion below is to be understood in the context of trigonometric functions rather than floating point operations in general.…
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Curious network infrastructure
I was doing a traceroute to 208.67.222.222 (resolver1.opendns.com) to see if I can figure out the reason for the initial startup delay and observed the following curious thing (this is on a DSL line from Romtelecom marketed under the “ClickNet” brand here in Romania): 1 13 ms 13 ms 13 ms … computer’s public ip…
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Privacy risks of signed Java applets
Probably it is an occupational hazard, but when I’ve listened to episode #222 of the Java Posse (1/3 of the devil :-D) and they talked about a java applet do do screencasts, my first reaction was: is it possible to do this from an applet? isn’t this a privacy risk? The answer is: it depends…
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A few tips for pshtoolkit
pshtoolkit is short for Pass The Hash Toolkit, and is a program (or rather a small collection of programs) written and released as OSS by CORE. Its basic use is to authenticate to Windows systems by passing the hash of the password – hence the name – rather than the password. Here are a couple…
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What is an executable file anyway?
While this seems trivial, it is a very important question you’ll have to answer if you want to pretend that a whitelisting solution will give you 100% protection. So lets take a shot at it: An executable file is a file which contains machine code intended to be run on the CPU. This looks right,…
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Ranting about Metasploit…
I want to preface this with the fact that I have an big respect for HDM and his colleagues, both because of technical achievements and for creating this framework in the open, with an enthusiastic community around it. However… 🙂 Some time ago I played around a little with Metasploit for the latest Ethical Hacker…
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An interesting Windows feature
This one has been around for ever (possibly since Windows ’95), but it just so happens that I stumbled over it recently: You can use the “desktop.ini” file to (amongst other things) change the name displayed for the given folder by Explorer (and other file-navigators which are based on Explorer – like Windows Total Commander…
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A blue LED
A small LED, a dark room and a crappy camera 🙂
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Mixed links
The CPAN testers site received an update. This is a great resource for Perl programmers all over the world which automatically tests CPAN modules in different environments. The Ethical Hacker Network posted the solution to the Daemon challenge. Interesting, but as expected, you’d had to own the book to get this one… From the MS…
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Short tip
PsExec doesn’t seem to work with “Simple File Sharing” under Windows XP, so you might want to try to turn it off if it fails on you.