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Wireshark 4.6.7 Released, (Sat, Jul 11th)
Wireshark release 4.6.7 fixes 12 vulnerabilities and 16 bugs. Didier Stevens Senior handler blog.DidierStevens.com (c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
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“Comment stuffing” in an HTML phishing attachment as a mechanism for evading AI-based detection?, (Fri, Jul 10th)
Anyone who deals with phishing messages caught by basic security filters knows that most phishing samples tend to blend into one another, since only a small set of techniques and approaches keeps reappearing in them. That is precisely why it is worth pausing on the occasional message that does something a little out of the…
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ISC Stormcast For Friday, July 10th, 2026 https://isc.sans.edu/podcastdetail/10002, (Fri, Jul 10th)
(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 Thursday, July 9th, 2026 https://isc.sans.edu/podcastdetail/10000, (Thu, Jul 9th)
(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
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![_HELP_ME_ESCAPE_FROM_BELARUS_PLEASE_ [Guest Diary], (Tue, Jul 7th)](/wp-content/uploads/2026/07/Jason_Callahan_pic11-lq4fvT.png)
_HELP_ME_ESCAPE_FROM_BELARUS_PLEASE_ [Guest Diary], (Tue, Jul 7th)
[This is a Guest Diary by Jason Callahan, an ISC intern as part of the SANS.edu BACS program] Every so often a honeypot hit comes along that is less about the exploit and more about the intent behind it. While reviewing DShield logs I ran into a scanning bot that caught my eye: a URI…
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My Stack Simulator, (Wed, Jul 8th)
The stack is a memory region where a program stores temporary data – like local variables and return addresses. Think of the stack as a pile of plates in your kitchen: you can only add a new plate to the top, and you can only take one away from the top too. Programs use this same…
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ISC Stormcast For Wednesday, July 8th, 2026 https://isc.sans.edu/podcastdetail/9998, (Wed, Jul 8th)
(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
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More Odd DNS Records: NIMLOC, (Tue, Jul 7th)
Yesterday, I talked about NAPTR records and how they are related to RCS. But there is another “odd” record that shows up in my DNS logs. This one isn’t new, but I don’t think I ever covered it: NIMLOC. At least that is what Zeek calls it. But let’s see what it is all about.…
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ISC Stormcast For Tuesday, July 7th, 2026 https://isc.sans.edu/podcastdetail/9996, (Tue, Jul 7th)
(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
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RCS and DNS: The NAPTR Record, (Mon, Jul 6th)
Over the last year, with recent updates to iOS and Android, RCS (Rich Communication Services) has become an increasingly used protocol [1]. RCS is supposed to eventually replace SMS, and in addition to richer formatting, provides added (but optional) security. RCS messages may be end-to-end encrypted and digitally signed. Unlike SMS, which was “bolted on”…
