Category: SANS Internet Storm Center, InfoCON: green

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,…

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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…

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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.…

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June 2026 Apple Updates, (Tue, Jun 30th)

Apple released updates for iOS/iPadOS, macOS, and Safari on Monday. There have been no updates for other Apple operating systems (visionOS, watchOS, tvOS). Usually, Apple updates all products at the same time. This article has been indexed from SANS Internet…

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YARA-X 1.18.0 and 1.19.0 Release, (Sun, Jun 28th)

YARA-X's 1.18.0 release brings 3 improvements and 2 bugfixes. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: YARA-X 1.18.0 and 1.19.0 Release, (Sun, Jun 28th)

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Linux Process Name Masquerading, (Wed, Jun 24th)

In a previous diary, I talked about stack strings[1] with a practical example of them. Since my SEC670 class, I’m even more interested in malware obfuscation techniques. I had a look at process names. When you list running processes on a computer,…

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