Δεκέμβριος 2010 – Don't fear the penguin

Write a regular expression to match a MAC address. Go.

Take 1: ([0-9a-f]{2}:){5}[0-9a-f]{2}
Matches: 00:19:db:d0:8e:3c

Take 2: ([0-9a-fA-F]{1,2}[:-]){5}[0-9a-fA-F]{1,2}
Matches: 00-c-DB-a0-8E-f

RT @skaragiannis: In case you missed it https://t.co/X3FUqYZYqZ 4 months ago

RT @QuinnyPig: The best part about this question is that (aside from the third answer's "single digit millisecond latency") I can make it d… 6 months ago

RT @ripencc: Today, at 15:35, we made our final /22 IPv4 allocation from the last remaining addresses in our available pool. We have now ru… 8 months ago

RT @hellasdirect: Sotiris Tsimbonis, our infrastructure and automation lead, has been with us from day 1. Today, we are proud to see him ex… 9 months ago

#WWDC19 1 year ago

RT @RedHatSummit: Let’s keep the excitement going! 🎉Join us in the Ecosystem Expo Hall to celebrate the general release of #RHEL8 https://t… 1 year ago

RT @hellasdirect: Best Workplace για μία ακόμη φορά η @hellasdirect στα φετινά βραβεία @GPTW_GR 😃 #rethink #BestWorkplaces #proud https://t… 1 year ago

Woohoo! Our copy of Ship It: The Game of Product Management by @PostlightStudio has arrived! Time to play and… twitter.com/i/web/status/1… 1 year ago

@Fosscomm2018 Το stream της αίθουσας Α2 δεν έχει ήχο, please fix 1 year ago

Thank you @hellasdirect for the love and wonderful #SysAdminDay surprise this morning! <3 photos.app.goo.gl/TNaxg1ZXiB3WjP… 2 years ago

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Linux Weekly News

On Perl 7 and the Perl Steering Committee

For those who are wondering about the state of the proposed Perl 7 fork and the role of the newly formed Perl Steering Committee, Ricardo Signes has put together a detailed explanation that is worth a read. "You should not expect to see a stream of unjustified dictates issuing forth from some secret body on high. You should expect to see perl5-porters o […]

corbet

[$] 5.9 Merge window, part 1

As of this writing, just over 3,900 non-merge changesets have been pulled into the mainline repository for the 5.9 kernel development cycle. While this merge window has just begun, there is already a significant set of new features to point out.

corbet

Knauth elected Free Software Foundation president; Bénassy joins board

The Free Software Foundation (FSF) has announced that Geoffrey Knauth has been elected president, and free software activist and developer Odile Bénassy has been appointed to the board of directors. Knauth is replacing Richard Stallman who resigned last year. In Knauth's statement, he said: "The FSF board chose me at this moment as a servant leader […]

coogle

Security updates for Friday

Security updates have been issued by CentOS (firefox, java-1.8.0-openjdk, java-11-openjdk, libvncserver, postgresql-jdbc, and thunderbird), Debian (firejail and gupnp), Fedora (cutter-re, postgresql-jdbc, radare2, and webkit2gtk3), openSUSE (chromium, firefox, kernel, and python-rtslib-fb), Oracle (container-tools:ol8, kernel, and nss and nspr), Scientific L […]

coogle

Stable kernels 5.7.14, 5.4.57, 4.19.138, and 4.14.193

Greg Kroah-Hartman has released the 5.7.14, 5.4.57, 4.19.138, and 4.14.193 stable kernels. As usual, these contain lots of important fixes throughout the tree; users should upgrade.

coogle

[$] PHP struggles with attributes syntax

PHP 8.0 is on the horizon, and the project has imposed a feature-freeze for the release. There's one exception to the feature-freeze, though: the new attributes syntax. An attribute is syntactical metadata for PHP code, identical to what is called an "annotation" in other languages. Even though attributes have been voted on multiple times by t […]

coogle

The GNU C Library version 2.32 is now available

Version 2.32 of the GNU C Library (glibc) has been released. It contains support for Unicode 13.0.0, a new Kurdish/Sorani locale (ckb_IQ), support for audit modules listed in ELF sections of the executable, support for Synopsys ARC HS cores, new signal abbreviation and descriptive text functions (sigabbrev_np() and sigdescr_np()), similar functions for errno […]

jake

Security updates for Thursday

Security updates have been issued by Debian (clamav and json-c), Fedora (python2, python36, and python37), Red Hat (thunderbird), Scientific Linux (thunderbird), SUSE (java-11-openjdk, kernel, rubygem-actionview-4_2, wireshark, xen, and xrdp), and Ubuntu (openjdk-8 and ppp).

jake

[$] LWN.net Weekly Edition for August 6, 2020

The LWN.net Weekly Edition for August 6, 2020 is available.

corbet

[$] Checking out FreeCAD

Our look at running a CNC milling machine using open-source software led me to another tool worth looking at: FreeCAD. I wasn't previously familiar with the program, so I decided to check it out. In this article I will walk through my experiences with using FreeCAD for the first time to do a variety of CNC-related tasks I normally would have used a comm […]

coogle

SANS Internet Storm Center

Scoping web application and web service penetration tests, (Mon, Aug 10th) 10 Αυγούστου, 2020

Before starting any penetration test, the most important part is to correctly scope it â€“ this will ensure that both the client&#x27s expectations are fulfilled and that enough time is allocated to make sure that the penetration test is correctly performed.

ISC Stormcast For Monday, August 10th 2020 https://isc.sans.edu/podcastdetail.html?id=7116, (Mon, Aug 10th) 10 Αυγούστου, 2020

Small Challenge: A Simple Word Maldoc - Part 2, (Sun, Aug 9th) 9 Αυγούστου, 2020

There are many interesting solutions to my "Small Challenge: A Simple Word Maldoc" diary entry: static analysis solutions, dynamic analysis and even a combination of both. You can find them in the comments and on Twitter.

Scanning Activity Include Netcat Listener, (Sat, Aug 8th) 8 Αυγούστου, 2020

This activity started on the 5 July 2020 and has been active to this day only scanning against TCP port 81. The GET command is always the same except for the Netcat IP which has changed a few times since it started. If you have a webserver or a honeypot listening on TCP 81, this activity might be contained in your logs. I have included the URL to the IPDetai […]

ISC Stormcast For Friday, August 7th 2020 https://isc.sans.edu/podcastdetail.html?id=7114, (Fri, Aug 7th) 7 Αυγούστου, 2020

TA551 (Shathak) Word docs push IcedID (Bokbot), (Fri, Aug 7th) 7 Αυγούστου, 2020

Introduction

A Fork of the FTCode Powershell Ransomware, (Thu, Aug 6th) 6 Αυγούστου, 2020

Yesterday, I found a new malicious Powershell script that deserved to be analyzed due to the way it was dropped on the victim&#x27s computer. As usual, the malware was delivered through a malicious Word document with a VBA macro. A first observation reveals that it&#x27s a file less macro. The malicious Base64 code is stored in multiples environment […]

ISC Stormcast For Thursday, August 6th 2020 https://isc.sans.edu/podcastdetail.html?id=7112, (Thu, Aug 6th) 6 Αυγούστου, 2020

Powershell Bot with Multiple C2 Protocols, (Mon, Aug 3rd) 5 Αυγούστου, 2020

I spotted another interesting Powershell script. It&#39;s a bot and is delivered through a VBA macro that spawns an instance of msbuild.exe This Windows tool is often used to compile/execute malicious on the fly (I already wrote a diary about this technique[1]). I don&#x27t have the original document but based on a technique used in th […]

ISC Stormcast For Wednesday, August 5th 2020 https://isc.sans.edu/podcastdetail.html?id=7110, (Wed, Aug 5th) 5 Αυγούστου, 2020

	Michail στη Ελληνικά ή Αγγλικά;
	adamo στη Ελληνικά ή Αγγλικά;
	Michail στη Ελληνικά ή Αγγλικά;
	Michail στη Ελληνικά ή Αγγλικά;
	cvi going distribute… στη version control for important…
	bilias στη It’s a girl!
	Sotiris Tsimbonis στη It’s a girl!
	kioan στη It’s a girl!
	kzorba στη It’s a girl!
	Sotiris Tsimbonis στη It’s a girl!

Μήνας: Δεκέμβριος 2010

Now we know where sudo reports

A regular expression to match MAC Addresses

IPv6 Certified Sage