Alireza Gharib Blog

BEURK is an userland preload rootkit for GNU/Linux, heavily focused around anti-debugging and anti-detection. Being a userland rootkit it gives limited privileges (whatever the user has basically) vs a superuser or root level rootkit. Features Hide attacker files and directories Realtime log cleanup (on utmp/wtmp) Anti process and login detection Bypass unhide, lsof, ps, ldd,…

yarAnalyzer is a Python-based YARA rule analyzer that can also generate statistics from yara rulesets. It also has an inventory creation feature that can output a CSV file detailing the rules. It creates statistics on a YARA rule set and files in a sample directory. Place some signatures with .yar extension in the “signatures” folder…

Stitch is a cross-platform Python Remote Administration Tool, commonly known as a RAT. This framework allows you to build custom payloads for Windows, Mac OSX and Linux as well. You are able to select whether the payload binds to a specific IP and port, listens for a connection on a port, option to send an…

It seems this year bug bounties are getting really serious, especially on the secondary market involving exploit trading firms, not direct to the software producer or owner. $500,000 isn’t chump change and would be a good year for a small security team, especially living somewhere with a weaker currency. Even for a solo security researcher…

Much like Adobe Flash, QuickTime from Apple is a bit of a relic some pretty serious, remote code execution type Windows QuickTime Vulnerabilities were recently discovered by Trend Micro. Apple has officially stated that they won’t be fixing them and the official line on this, is to uninstall QuickTime. I guess a lot of people…

So the big furore this week is because the FBI backed off Apple in the whole Apple vs the World privacy case regarding cracking the iPhone Passcode of the phone belonging to the San Bernardino gunman Syed Farook. If you’re not familiar with the case, catch up with it here: FBI–Apple encryption dispute. The latest…

So there’s been a fair bit of noise this past week about the Mac OS X Ransomware, the first of its’ kind called KeRanger. It also happens to be the first popular Mac malware of any form for some time. It’s also a lesson to all the Apple fanbois that their OS is not impervious…

So the recent XcodeGhost iOS Trojan Infection has escalated quickly, an initial estimate of 39 infected apps has rapidly increased to over 4000! You can see the FireEye announcement here: Protecting Our Customers from XcodeGhost XCodeGhost is the first instance of the iOS App Store distributing a large number of trojanized apps, the malicious/infected apps…

And another password shocker, a few days after ‘cloud’ password service LastPass was pretty seriously hacked (yah if you’re using it, change your master password) critical 0-day flaws in Apple’s password storing keychain have been exposed. Which is kinda funny, as after the LastPass hack I saw some people espousing the usage of Apple’s keychain…

So Apple pushed out it’s latest and great OS X version 10.10 called Yosemite, but it’s facing a bit of an uproar at the moment about some Spotlight privacy issues. For those who are not familiar, Spotlight is some kinda of super desktop search that searches everything on your computer (and now also the Internet)…