• ISC Stormcast For Thursday, August 31st, 2023 https://isc.sans.edu/podcastdetail/8640, (Thu, Aug 31st)

    Updated: 2023-08-31 02:00:01
    , , : Internet Storm Center Sign In Sign Up Handler on Duty : Jan Kopriva Threat Level : green previous next ISC Stormcast For Thursday , August 31st , 2023 https : isc.sans.edu podcastdetail 8640 previous next Comments Login here to join the . discussion Top of page Ø Diary Archives Homepage Diaries Podcasts Jobs Data TCP UDP Port Activity Port Trends SSH Telnet Scanning Activity Weblogs Threat Feeds Activity Threat Feeds Map Useful InfoSec Links Presentations Papers Research Papers API Tools DShield Sensor DNS Looking Glass Honeypot RPi AWS InfoSec Glossary Contact Us Contact Us About Us Handlers Slack Channel Mastodon Twitter 2023 SANS™ Internet Storm Center Developers : We have an API for you Link To Us About Us Handlers Privacy Policy

  • ISC Stormcast For Wednesday, August 30th, 2023 https://isc.sans.edu/podcastdetail/8638, (Wed, Aug 30th)

    Updated: 2023-08-30 02:00:01
    With what is (or was by now?) hurricane Idalia crossing past my house today, I decided to write a quick summary of what I usually do in cases like this to prepare. This is for a home office or a small business, assuming you have the resources for a typical home. Unlike natural disasters like Earthquakes, Hurricanes are somewhat predictable, and you typically have a couple of days warning. If you live in a hurricane-prone area like Florida, you are likely familiar with nhc.noaa.gov. The site provides "raw data" about current storm activity and avoids some of the hype added by some news outlets.

  • ISC Stormcast For Tuesday, August 29th, 2023 https://isc.sans.edu/podcastdetail/8636, (Tue, Aug 29th)

    Updated: 2023-08-29 02:00:01
    Many, many years ago we (SANS Internet Storm Center) published some interesting research about survival time of new machines connected to the Internet. Back then, when Windows XP was the most popular operating system, it was enough to connect your new machine to the Internet and get compromised before you managed to download and install patches. Microsoft changed this with Windows XP SP2, which introduced the host based firewall that was (finally) enabled by default, so a new user had a better chance of surviving the Internet.

  • ISC Stormcast For Monday, August 28th, 2023 https://isc.sans.edu/podcastdetail/8634, (Mon, Aug 28th)

    Updated: 2023-08-28 02:00:01
    My tool zipdump.py can be used to analyse the latest exploits of vulnerability CVE-2023-38831 in WinRAR.

  • macOS: Who?s Behind This Network Connection?, (Sat, Aug 26th)

    Updated: 2023-08-26 10:55:40
    When you must investigate suspicious behavior or work on an actual incident, you could be asked to determine who's behind a network connection. From a pure network point of view, your firewall or any network security control device/app will tell you that the source is the connection is host « A », « B » or « C ». But investigating further how to discover who or which process is the source of the connection (now, at the operating system level).

  • Python Malware Using Postgresql for C2 Communications, (Fri, Aug 25th)

    Updated: 2023-08-25 08:54:25
    For modern malware, having access to its C2 (Command and control) is a crucial point. There are many ways to connect to a C2 server using tons of protocols, but today, HTTP remains very common because HTTP is allowed on most networks...

  • Email Protect SilverSky

    Updated: 2023-08-14 12:23:49
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