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ISC Stormcast For Wednesday, September 30th, 2026...

(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.

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Scans for Wordfence Protected Websites, (Tue, Sep 29th)

Starting yesterday, our sensors picked up a small number of scans for "wordfence-waf.php". This particular script is used by Wordfence, a solution to protect WordPress sites. During the Wordfence...

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ISC Stormcast For Tuesday, September 29th, 2026...

(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.

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Apple Emergency Patch for iOS 26, macOS26, macOS15 (CVE-2026-86950), (Mon,...

Apple today released patches for all of its operating systems. However, only patches for older branches include a security fix. The vulnerability being addressed in iOS 26, macOS 26 and macOS 15 is...

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ISC Stormcast For Monday, September 28th, 2026...

(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.

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Wireshark 4.6.9 Released, (Sun, Sep 27th)

Wireshark release 4.6.9 fixes 19 vulnerabilities and 16 bugs.   Didier Stevens Senior handler blog.DidierStevens.com (c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons...

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A Closer Look at Malware From the Macfinger ClickFix Campaign, (Fri, Sep 25th)

Introduction My previous post on Macfinger ClickFix was two days ago, and this campaign remains active. The more I look into the malware delivered by this campaign, the more I believe it is not a...

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ISC Stormcast For Friday, September 25th, 2026...

(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.

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One URL, Three Different Tricks, (Thu, Sep 24th)

Yesterday, we received a phishing email with an interesting link. At first sight, it looks like garbage, but every piece of it has been carefully crafted to confuse basic security controls. Here is the...

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ISC Stormcast For Thursday, September 24th, 2026...

(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 Wednesday, September 23rd, 2026...

(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.

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Macfinger ClickFix campaign, (Tue, Sep 22nd)

Introduction I've found several legitimate websites with injected script for a campaign using the ClickFix social engineering technique. This particular ClickFix campaign was documented earlier this...

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The Truth about GET and HTTP Standards, (Tue, Sep 22nd)

On Friday, Xavier talked about the newly introduced HTTP Query method. This new method was introduced to allow "GET" requests that include a body. The main reason for this was that GET requests...

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ISC Stormcast For Tuesday, September 22nd, 2026...

(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.

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TerminalFix: PNG Steganography, (Mon, Sep 21st)

Microsoft Security Research published an interesting blog post "TerminalFix campaign deploys a reverse tunnel through multistage intrusion" about a malware campaign. The aspect that I want to take a...

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ISC Stormcast For Monday, September 21st, 2026...

(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.

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HTTP QUERY Method: The Grey Zone Between GET And POST., (Fri, Sep 18th)

In June 2026 the IETF published RFC 10008[1], defining a new HTTP method: "QUERY". The HTTP protocol faced already by changes (HTTP/2, HTTP/2) but it’s the first new standard HTTP verb since "PATCH" in...

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ISC Stormcast For Friday, September 18th, 2026...

(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.

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LausivLoader analysis, or how to pass data between malware stages, (Thu, Sep...

At the end of August, a malspam message was caught in the quarantine of a mail gateway operated by one of my customers. The message was not especially remarkable – it asked the recipient to review some...

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ISC Stormcast For Thursday, September 17th, 2026...

(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.

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