Category Archives: Tools

Converter Updated

Posted on February 17, 2014 by darryl

The latest version includes several new features and bug fixes: Fixed Mixed Octal to Hex function to handle null char at the end Fixed and enhanced code related to keep/strip filtering functions Fixed unescape handling of null bytes Unescape File … Continue reading →

Posted in Tools | Tagged , , | Comments Off on Converter Updated

Exploring XOR Decryption Methods

Posted on February 11, 2014 by darryl

The use of XOR encryption to keep anti-virus, web filters, and even researchers at-bay have been used for many years. While there are stronger encryption algorithms, the XOR cipher is very easy to add to a project, has low overhead, … Continue reading →

Posted in Malscript, Tools | Tagged , , , , | Comments Off on Exploring XOR Decryption Methods

Pinpointing Malicious Redirects

Posted on February 8, 2014 by darryl

Cybercriminals are constantly thinking up new ways to redirect unsuspecting visitors to their drive-by landing page. The guys over at Sucuri often find really interesting redirects that they’ve come up with. What I have been doing lately is documenting these … Continue reading →

Posted in Exploit Packs, Malscript, Tools | Tagged , , | Comments Off on Pinpointing Malicious Redirects

Revelo Updated

Posted on February 6, 2014 by darryl

I’ve been noticing obfuscated Javascript using a function that returns the deobfuscated result more and more lately so I added a new method to catch this. Here’s an obfuscated script. It’s not that difficult but it does look intimidating! First … Continue reading →

Posted in Malscript, Tools | Tagged , | Comments Off on Revelo Updated

Pinpoint Tool Released

Posted on January 2, 2014 by darryl

There are many times where I come across a drive-by download, especially malvertisements, and it takes me awhile to figure out which file on the compromised website is infected. I wrote Pinpoint to help me find the malicious objects faster … Continue reading →

Posted in Tools | Tagged , , | Comments Off on Pinpoint Tool Released