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Don’t Forget The “-n” Command Line Switch, (Thu, Aug 21st)
A lot of people like the command line, the CLI, the shell (name it as you want) because it provides a lot of powerful tools to perform investigations. The best example is probably parsing logs! Even if we have SIEM to ingest and process them, many people still fall back to the good old suite of…
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ISC Stormcast For Thursday, August 21st, 2025 https://isc.sans.edu/podcastdetail/9580, (Thu, Aug 21st)
(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
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Airtell Router Scans, and Mislabeled usernames, (Wed, Aug 20th)
Looking at new usernames collected by our Cowrie honeypots, you will first of all notice a number of HTTP headers. It is very common for attackers to scan for web servers on ports that are covered by our Telnet honeypots. The result is that HTTP request headers end up in our username and password database. …
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ISC Stormcast For Wednesday, August 20th, 2025 https://isc.sans.edu/podcastdetail/9578, (Wed, Aug 20th)
(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
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Increased Elasticsearch Recognizance Scans, (Tue, Aug 19th)
I noticed an increase in scans that appear to try to identify Elasticsearch instances. Elasticsearch is not a new target. Its ability to easily store and manage JSON data, combined with a simple HTTP API, makes it a convenient tool to store data that is directly accessible from the browser via JavaScript. Elasticsearch has, in…
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ISC Stormcast For Tuesday, August 19th, 2025 https://isc.sans.edu/podcastdetail/9576, (Tue, Aug 19th)
(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
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Keeping an Eye on MFA-Bombing Attacks, (Mon, Aug 18th)
I recently woke up (as one does each day, hopefully) and saw a few Microsoft MFA prompts had pinged me overnight. Since I had just awakened, I just deleted them, then two minutes later clued in – this means that one of my passwords was compromised, and I had no idea which site the compromised…
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ISC Stormcast For Monday, August 18th, 2025 https://isc.sans.edu/podcastdetail/9574, (Mon, Aug 18th)
(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
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ISC Stormcast For Friday, August 15th, 2025 https://isc.sans.edu/podcastdetail/9572, (Fri, Aug 15th)
(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
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SNI5GECT: Sniffing and Injecting 5G Traffic Without Rogue Base Stations, (Thu, Aug 14th)
As the world gradually adopts and transitions to using 5G for mobile, operational technology (OT), automation and Internet-of-Things (IoT) devices, a secure 5G network infrastructure remains critical. Recently, the Automated Systems SEcuriTy (ASSET) Research Group have released a new framework named SNI5GECT [pronounced as Sni-f-Gect (sniff + 5G + inject)] that enables users of the…
