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 @PowerDNS_Bert: Dear EU: Cyber security is important, but please don’t #RuinTheRoot by regulating the non-essential entities that run th… 1 month ago

RT @_argp: BugTraq Shutdown, end of an era: "At this time, resources for the BugTraq mailing list have not been prioritized, and this will… 5 months ago

RT @jpmens: IT WASN’T DNS twitter.com/atoonk/status/… 9 months ago

RT @fanf: “For the first time, nginx is in use by more web-facing computers than any other web server, including Apache” https://t.co/rscQy… 9 months ago

RT @skaragiannis: In case you missed it https://t.co/X3FUqYZYqZ 1 year 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… 1 year 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… 1 year 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… 1 year ago

#WWDC19 2 years 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… 2 years ago

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Linux Weekly News

Security updates for Tuesday

Security updates have been issued by Fedora (audacity), openSUSE (chromium), Oracle (glib2), SUSE (Salt and salt), and Ubuntu (apache2 and openexr).

ris

Rocky Linux 8.4

Rocky Linux is a community enterprise operating system, created by Gregory Kurtzer, founder of the CentOS project. Rocky Linux 8.4 has been released for x86-64 and aarch64. "Sufficient testing has been performed such that we have confidence in its stability for production systems."

ris

[$] A stable bug fix bites proprietary modules

The kernel-development community has long had a tense relationship with companies that create and ship proprietary loadable kernel modules. In the view of many developers, such modules are a violation of the GPL and should simply be disallowed. That has never happened, though; instead, the community has pursued a policy of legal ambiguity and technical incon […]

corbet

Security updates for Monday

Security updates have been issued by Arch Linux (connman, go, and grub), Debian (nettle, prosody, and tor), Fedora (iaito, mingw-ilmbase, mingw-openexr, mingw-python-urllib3, mosquitto, nettle, polkit, and radare2), Mageia (puddletag, python-babel, python-eventlet, and python-pikepdf), openSUSE (htmldoc), SUSE (go1.15, go1.16, gupnp, and libgcrypt), and Ubun […]

ris

Kernel prepatch 5.13-rc7

The 5.13-rc7 kernel prepatch is out for testing. "So there's not a huge number of patches in here, and most of the patches are pretty small too. A fair number of one-liners and 'few-liners'. Which is just how I like it." For reasons that have not been disclosed on the list, the codename for this release has been changed to "Opos […]

corbet

Stable kernels 5.12.12, 5.10.45, and 5.4.127

The 5.12.12, 5.10.45, and 5.4.127 stable kernels have been released. They contain important fixes, as usual, so users should upgrade.

jake

[$] Protecting control dependencies with volatile_if()

Memory ordering issues are, as Linus Torvalds recently observed, "the rocket science of CS". Understanding memory ordering is increasingly necessary to write scalable code, so kernel developers often find themselves having to become rocket scientists. The subtleties associated with control dependencies turn out to be an especially tricky sort of ro […]

corbet

Security updates for Friday

Security updates have been issued by Arch Linux (aspnet-runtime, aspnet-runtime-3.1, chromium, drupal, intel-ucode, nginx, opera, python-django, radare2, thefuck, and vivaldi), Debian (jetty9), Fedora (dogtag-pki and pki-core), openSUSE (htmldoc and postgresql10), Oracle (dhcp), SUSE (apache2, caribou, jetty-minimal, libxml2, postgresql12, python-PyJWT, pyth […]

jake

[$] Landlock (finally) sets sail

Kernel development is not for people who lack persistence; changes can take a number of revisions and a lot of time to make it into a mainline release. Even so, the story of the Landlock security module, developed by Mickaël Salaün, seems like an extreme case; this code was merged for 5.13 after more than five years of development and 34 versions of the patc […]

corbet

Supporting Miguel Ojeda’s Work on Rust in the Linux Kernel (Prossimo blog)

The Prossimo project has announced that it has contracted with Miguel Ojeda to work on Rust in the Linux kernel for the next year. Prossimo is a new name for the memory-safety projects being run by the Internet Security Research Group (ISRG), which is the organization behind the Let's Encrypt certificate authority (CA) project. Google provided the funds […]

jake

SANS Internet Storm Center

Phishing asking recipients not to report abuse, (Tue, Jun 22nd) 22 Ιουνίου, 2021

It can be a little disheartening to deal with well-prepared phishing attacks every day, since one can easily see how even users who are fully â€œsecurity-awareâ€ could fall for some them. The messages don&#x27t even have to be too complex to be believable. For example, a message containing seemingly innocuous text and a link that poi […]

ISC Stormcast For Tuesday, June 22nd, 2021 https://isc.sans.edu/podcastdetail.html?id=7552, (Tue, Jun 22nd) 22 Ιουνίου, 2021

Mitre CWE - Common Weakness Enumeration, (Mon, Jun 21st) 21 Ιουνίου, 2021

If you are involved in the security industryÂ you are at least somewhat familiar with the Mitre ATT&CK framework, the very useful, community driven, knowledgebase of attack threat models and methodologies which can be used to emulate adversary behavior to test security controls. However fewer are aware of a lesserÂ known Mitre projec […]

Executives and Ransomware Webcast: Stop, Collaborate, and Listen! - https://www.sans.org/webcasts/executives-ransomware-stop-collaborate-listen-120150, (Mon, Jun 21st) 21 Ιουνίου, 2021

-- Rick Wanner MSISE - rwanner at isc dot sans dot edu - Twitter:namedeplume (Protected)

ISC Stormcast For Monday, June 21st, 2021 https://isc.sans.edu/podcastdetail.html?id=7550, (Mon, Jun 21st) 21 Ιουνίου, 2021

Video: oledump Cheat Sheet, (Sun, Jun 20th) 20 Ιουνίου, 2021

I did create a SANS cheat sheet for oledump.py.

Easy Access to the NIST RDS Database, (Sat, Jun 19th) 19 Ιουνίου, 2021

When you&#39;re facing some suspicious files while performing forensic investigations or analyzing malware components, it&#39;s always interesting to know these files are legit or malicious/modified. One of the key sources to verify hashes is provided by NIST and is called the NSLR project ("National Software Refere […]

Open redirects ... and why Phishers love them, (Fri, Jun 18th) 18 Ιουνίου, 2021

Working from home, did you get a meeting invite recently that pointed to https://meet.google.com &#x3f;&#xc2;&#xa0; Well, that&#39;s indeed where Google&#39;s online meeting tool is located. But potentially the URL you got is not "only" leading you there. […]

ISC Stormcast For Friday, June 18th, 2021 https://isc.sans.edu/podcastdetail.html?id=7548, (Fri, Jun 18th) 18 Ιουνίου, 2021


Network Forensics on Azure VMs (Part #2), (Fri, Jun 18th) 18 Ιουνίου, 2021

In yesterday&#39;s diary, we took a look at two methods that allow to capture network connection information off a potentially compromised virtual machine in Azure. Today, we&#39;ll investigate the most recent addition to the VM monitoring arsenal, namely "Azure Monitor Insights".

	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