I spotted another interesting file that uses, once again, steganography. It seems to be a trend (see one of my previous diaries[1]). The file is an malicious Excel sheet called blcopy.xls. Office documents are rare these days because Microsoft improved…
Category: SANS Internet Storm Center, InfoCON: green
ISC Stormcast For Friday, June 13th, 2025 https://isc.sans.edu/podcastdetail/9492, (Fri, Jun 13th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Friday, June 13th, 2025…
[Guest Diary] Anatomy of a Linux SSH Honeypot Attack: Detailed Analysis of Captured Malware, (Fri, Jun 13th)
[This is a Guest Diary by Michal Ambrozkiewicz, an ISC intern as part of the SANS.edu Bachelor's Degree in Applied Cybersecurity (BACS) program [1].] This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article:…
Automated Tools to Assist with DShield Honeypot Investigations [Guest Diary], (Wed, Jun 11th)
[This is a Guest Diary by William Constantino, an ISC intern as part of the SANS.edu BACS program] This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: Automated Tools to Assist with DShield…
ISC Stormcast For Thursday, June 12th, 2025 https://isc.sans.edu/podcastdetail/9490, (Thu, Jun 12th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Thursday, June 12th, 2025…
Quasar RAT Delivered Through Bat Files, (Wed, Jun 11th)
RAT's are popular malware. They are many of them in the wild, Quasar[1] being one of them. The malware has been active for a long time and new campaigns come regularly back on stage. I spotted an interesting .bat file…
ISC Stormcast For Wednesday, June 11th, 2025 https://isc.sans.edu/podcastdetail/9488, (Wed, Jun 11th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Wednesday, June 11th, 2025…
Microsoft Patch Tuesday June 2025, (Tue, Jun 10th)
Microsoft today released patches for 67 vulnerabilities. 10 of these vulnerabilities are rated critical. One vulnerability has already been exploited and another vulnerability has been publicly disclosed before today. This article has been indexed from SANS Internet Storm Center, InfoCON:…

OctoSQL & Vulnerability Data, (Sun, Jun 8th)
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OctoSQL & Vulnerability Data, (Sun, Jun 8th)
ISC Stormcast For Tuesday, June 10th, 2025 https://isc.sans.edu/podcastdetail/9486, (Tue, Jun 10th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Tuesday, June 10th, 2025…
OctoSQL & Vulnerability Data, (Sun, Jun 8th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: OctoSQL & Vulnerability Data, (Sun, Jun 8th)
ISC Stormcast For Monday, June 9th, 2025 https://isc.sans.edu/podcastdetail/9484, (Mon, Jun 9th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Monday, June 9th, 2025…
Wireshark 4.4.7 Released, (Sun, Jun 8th)
Wireshark release 4.4.7 fixes 1 vulnerability (%%cve:2025-5601%%) and 8 bugs. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: Wireshark 4.4.7 Released, (Sun, Jun 8th)
Extracting With pngdump.py, (Sun, Jun 8th)
Inspired by Xavier's diary entry “A PNG Image With an Embedded Gift”, I updated my pngdump.py program to enable the extraction of chunks and extra data (similar to my other analysis tools, like pngdump.py). This article has been indexed from…
ISC Stormcast For Friday, June 6th, 2025 https://isc.sans.edu/podcastdetail/9482, (Fri, Jun 6th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Friday, June 6th, 2025…
Upcoming DShield Honeypot Changes and Customizations, (Fri, Jun 6th)
There are some upcoming DShield honeypot [1] changes that introduce some opportunities for additional customization and data analysis. For most users, no additional actions are needed. A couple of those changes: This article has been indexed from SANS Internet Storm…
Be Careful With Fake Zoom Client Downloads, (Thu, Jun 5th)
Collaborative tools are really popular these days. Since the COVID-19 pandemic, many people switched to remote work positions and we need to collaborate with our colleagues or customers every day. Tools like Microsoft Teams, Zoom, WebEx, (name your best solution),…
ISC Stormcast For Thursday, June 5th, 2025 https://isc.sans.edu/podcastdetail/9480, (Thu, Jun 5th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Thursday, June 5th, 2025…
Phishing e-mail that hides malicious link from Outlook users, (Wed, Jun 4th)
I recently came across an interesting phishing e-mail. At first glance, it looked like a “normal†phishing that tried to pass itself off as a message from one of the Czech banks asking account holders to update their information… This…
ISC Stormcast For Wednesday, June 4th, 2025 https://isc.sans.edu/podcastdetail/9478, (Wed, Jun 4th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Wednesday, June 4th, 2025…
vBulletin Exploits (CVE-2025-48827, CVE-2025-48828), (Tue, Jun 3rd)
Last week, Ryan Dewhurst disclosed an interesting and easily exploitable vulnerability in vBulltin. These days, bulletin boards are not quite as popular as they used to be, but they are still being used, and vBulletin is one of the most…
ISC Stormcast For Tuesday, June 3rd, 2025 https://isc.sans.edu/podcastdetail/9476, (Tue, Jun 3rd)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Tuesday, June 3rd, 2025…
ISC Stormcast For Monday, June 2nd, 2025 https://isc.sans.edu/podcastdetail/9474, (Mon, Jun 2nd)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Monday, June 2nd, 2025…
Simple SSH Backdoor, (Mon, Jun 2nd)
For most system and network administrators, the free SSH client Putty has been their best friend for years! This tool was also (ab)used by attackers that deployed a trojanized version[1]. Microsoft had the good idea to include OpenSSH (beta version)…
YARA 4.5.3 Release, (Sun, Jun 1st)
YARA 4.5.3 was released with 5 bugfixes. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: YARA 4.5.3 Release, (Sun, Jun 1st)
A PNG Image With an Embedded Gift, (Sat, May 31st)
While hunting, I found an interesting picture. It's a PNG file that was concatenated with two interesting payloads. There are file formats that are good candidates to have data added at the end of the file. PNG is the case…
ISC Stormcast For Friday, May 30th, 2025 https://isc.sans.edu/podcastdetail/9472, (Fri, May 30th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Friday, May 30th, 2025…
Usage of “passwd” Command in DShield Honeypots, (Fri, May 30th)
DShield honeypots [1] receive different types of attack traffic and the volume of that traffic can change over time. I've been collecting data from a half dozen honeypots for a little over a year to make comparisons. This data includes: …
ISC Stormcast For Thursday, May 29th, 2025 https://isc.sans.edu/podcastdetail/9470, (Thu, May 29th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Thursday, May 29th, 2025…
Alternate Data Streams ? Adversary Defense Evasion and Detection [Guest Diary], (Wed, May 28th)
[This is a Guest Diary by Ehsaan Mavani, an ISC intern as part of the SANS.edu BACS program] This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: Alternate Data Streams ? Adversary Defense…
[Guest Diary] Exploring a Use Case of Artificial Intelligence Assistance with Understanding an Attack, (Wed, May 28th)
[This is a Guest Diary by Jennifer Wilson, an ISC intern as part of the SANS.edu Bachelor's Degree in Applied Cybersecurity (BACS) program [1].] This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article:…
ISC Stormcast For Wednesday, May 28th, 2025 https://isc.sans.edu/podcastdetail/9468, (Wed, May 28th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Wednesday, May 28th, 2025…
Securing Your SSH authorized_keys File, (Tue, May 27th)
This is nothing “amazingly new”, but more of a reminder to secure your “authorized_keys” file for SSH. One of the first things I see even simple bots do to obtain persistent access to a UNIX system is to add a…
ISC Stormcast For Tuesday, May 27th, 2025 https://isc.sans.edu/podcastdetail/9466, (Tue, May 27th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Tuesday, May 27th, 2025…
SVG Steganography, (Mon, May 26th)
Didier recently published several diaries related to steganography. I have to admit that steganography isn't exactly my favorite topic. It is one of those “neat” infosec toys, but its applicability is limited. Data exfiltration usually does not require proper steganography,…
ISC Stormcast For Friday, May 23rd, 2025 https://isc.sans.edu/podcastdetail/9464, (Fri, May 23rd)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Friday, May 23rd, 2025…
Resilient Secure Backup Connectivity for SMB/Home Users, (Thu, May 22nd)
If you are reading this, you are probably someone who will not easily go without internet connectivity for an extended amount of time. You may also have various home systems that you would like to be able to reach in…
ISC Stormcast For Thursday, May 22nd, 2025 https://isc.sans.edu/podcastdetail/9462, (Thu, May 22nd)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Thursday, May 22nd, 2025…
New Variant of Crypto Confidence Scam, (Wed, May 21st)
In February, we had a few diaries about crypto wallet scams. We saw these scams use YouTube comments, but they happened via other platforms and messaging systems, not just YouTube [1]. The scam was a bit convoluted: The scammer posted…
ISC Stormcast For Wednesday, May 21st, 2025 https://isc.sans.edu/podcastdetail/9460, (Wed, May 21st)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Wednesday, May 21st, 2025…
Researchers Scanning the Internet, (Tue, May 20th)
We have been using our data to identify researchers scanning the internet for a few years. Currently, we are tracking 36 groups performing such scans, and our data feed of the IP addresses used contains around 33k addresses [1]. …
ISC Stormcast For Tuesday, May 20th, 2025 https://isc.sans.edu/podcastdetail/9458, (Tue, May 20th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Tuesday, May 20th, 2025…
RAT Dropped By Two Layers of AutoIT Code, (Mon, May 19th)
Like .Net, AutoIT[1] remains a popular language for years in the malware ecosystem. It's a simple language that can interact with all the components of the Windows operating system. I regularly discover AutoIT3 binaries (yes, it can be compiled). This…
ISC Stormcast For Monday, May 19th, 2025 https://isc.sans.edu/podcastdetail/9456, (Mon, May 19th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Monday, May 19th, 2025…
xorsearch.py: Python Functions, (Sat, May 17th)
A couple years ago I published tool xorsearch.py for this diary entry: “Small Challenge: A Simple Word Maldoc – Part 4”. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: xorsearch.py: Python Functions,…
ISC Stormcast For Friday, May 16th, 2025 https://isc.sans.edu/podcastdetail/9454, (Fri, May 16th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Friday, May 16th, 2025…
ISC Stormcast For Thursday, May 15th, 2025 https://isc.sans.edu/podcastdetail/9452, (Thu, May 15th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Thursday, May 15th, 2025…
Web Scanning SonicWall for CVE-2021-20016 – Update, (Wed, May 14th)
I published on the 29 Apr 2025 a diary [1] on scanning activity looking for SonicWall and since this publication this activity has grown 10-fold. Over the past 14 days, several BACS students have reported activity related to SonicWall scans…
Another day, another phishing campaign abusing google.com open redirects, (Wed, May 14th)
A couple of weeks ago, I came across a phishing campaign that highlights a recurring issue with open redirect vulnerabilities in well-known and trusted services. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original…
ISC Stormcast For Wednesday, May 14th, 2025 https://isc.sans.edu/podcastdetail/9450, (Wed, May 14th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Wednesday, May 14th, 2025…
Microsoft Patch Tuesday: May 2025, (Tue, May 13th)
Today, Microsoft released its expected update for the May patch on Tuesday. This update fixes 78 vulnerabilities. 11 are rated as critical, and 66 as important. Five of the vulnerabilities have already been exploited and two were publicly known but…
ISC Stormcast For Tuesday, May 13th, 2025 https://isc.sans.edu/podcastdetail/9448, (Tue, May 13th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Tuesday, May 13th, 2025…
Apple Updates Everything: May 2025 Edition, (Mon, May 12th)
Apple released its expected update for all its operating systems. The update, in addition to providing new features, patches 65 different vulnerabilities. Many of these vulnerabilities affect multiple operating systems within the Apple ecosystem. This article has been indexed from…
It Is 2025, And We Are Still Dealing With Default IoT Passwords And Stupid 2013 Router Vulnerabilities, (Mon, May 12th)
Unipi Technologies is a company developing programmable logic controllers for a number of different applications like home automation, building management, and industrial controls. The modules produced by Unipi are likely to appeal to a more professional audience. All modules are…
ISC Stormcast For Monday, May 12th, 2025 https://isc.sans.edu/podcastdetail/9446, (Mon, May 12th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Monday, May 12th, 2025…
Steganography Challenge: My Solution, (Sat, May 10th)
When I tried to solve “Steganography Challenge” with the same method as I used in “Steganography Analysis With pngdump.py: Bitstreams”, I couldn't recover the text message. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the…
ISC Stormcast For Friday, May 9th, 2025 https://isc.sans.edu/podcastdetail/9444, (Fri, May 9th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Friday, May 9th, 2025…
No Internet Access? SSH to the Rescue!, (Thu, May 8th)
This quick diary is a perfect example of why I love Linux (or UNIX in general) operating system. There is always a way to “escape” settings imposed by an admin… This article has been indexed from SANS Internet Storm Center,…
ISC Stormcast For Thursday, May 8th, 2025 https://isc.sans.edu/podcastdetail/9442, (Thu, May 8th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Thursday, May 8th, 2025…
Example of “Modular” Malware, (Wed, May 7th)
Developers (of malware as well as goodware) don't have to reinvent the wheel all the time. Why rewrite a piece of code that was development by someone else? In the same way, all operating systems provide API calls (or system…
ISC Stormcast For Wednesday, May 7th, 2025 https://isc.sans.edu/podcastdetail/9440, (Wed, May 7th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Wednesday, May 7th, 2025…
Python InfoStealer with Embedded Phishing Webserver, (Tue, May 6th)
Infostealers are everywhere for a while now. If this kind of malware is not aggressive, their impact can be much more impacting to the victim. Attackers need always more and more data to be sold or reused in deeper scenarios.…
ISC Stormcast For Tuesday, May 6th, 2025 https://isc.sans.edu/podcastdetail/9438, (Tue, May 6th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Tuesday, May 6th, 2025…
“Mirai” Now Exploits Samsung MagicINFO CMS (CVE-2024-7399), (Mon, May 5th)
Last August, Samsung patched an arbitrary file upload vulnerability that could lead to remote code execution [1]. The announcement was very sparse and did not even include affected systems: This article has been indexed from SANS Internet Storm Center, InfoCON:…
“Mirai” Now Exploits Samsung MaginINFO CMS (CVE-2024-7399), (Mon, May 5th)
Last August, Samsung patched an arbitrary file upload vulnerability that could lead to remote code execution [1]. The announcement was very sparse and did not even include affected systems: This article has been indexed from SANS Internet Storm Center, InfoCON:…
ISC Stormcast For Monday, May 5th, 2025 https://isc.sans.edu/podcastdetail/9436, (Mon, May 5th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Monday, May 5th, 2025…
Steganography Challenge, (Sat, May 3rd)
If you are interested in experimenting with steganography and my tools, I propose the following challenge. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: Steganography Challenge, (Sat, May 3rd)
ISC Stormcast For Friday, May 2nd, 2025 https://isc.sans.edu/podcastdetail/9434, (Fri, May 2nd)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Friday, May 2nd, 2025…
Steganography Analysis With pngdump.py: Bitstreams, (Thu, May 1st)
A friend asked me if my pngdump.py tool can extract individual bits from an image (cfr. diary entry “Steganography Analysis With pngdump.py”). This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: Steganography Analysis…
ISC Stormcast For Thursday, May 1st, 2025 https://isc.sans.edu/podcastdetail/9432, (Thu, May 1st)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Thursday, May 1st, 2025…
ISC Stormcast For Wednesday, April 30th, 2025 https://isc.sans.edu/podcastdetail/9430, (Wed, Apr 30th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Wednesday, April 30th, 2025…
Web Scanning Sonicwall for CVE-2021-20016, (Tue, Apr 29th)
There was a post initially published in January 2022 showing an exploitable “probable zero-day vulnerabilities”[1] for Sonicwall but looking back in what has been submitted in the past year to ISC, this past week was the first time we have…
More Scans for SMS Gateways and APIs, (Tue, Apr 29th)
Last week, I wrote about scans for Teltonika Networks SMS Gateways. Attackers are always looking for cheap (free) ways to send SMS messages and gain access to not-blocklisted numbers. So, I took a closer look at similar scans we have…
ISC Stormcast For Tuesday, April 29th, 2025 https://isc.sans.edu/podcastdetail/9428, (Tue, Apr 29th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Tuesday, April 29th, 2025…
ISC Stormcast For Monday, April 28th, 2025 https://isc.sans.edu/podcastdetail/9426, (Mon, Apr 28th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Monday, April 28th, 2025…
SRUM-DUMP Version 3: Uncovering Malware Activity in Forensics, (Sun, Apr 27th)
body { font-family: Arial, sans-serif; line-height: 1.6; margin: 20px; } This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: SRUM-DUMP Version 3: Uncovering Malware Activity in Forensics, (Sun, Apr 27th)
Steganography Analysis With pngdump.py, (Sat, Apr 26th)
I like it when a diary entry like “Example of a Payload Delivered Through Steganography” is published: it gives me an opportunity to test my tools, in particular pngdump.py, a tool to analyze PNG files. This article has been indexed…
Example of a Payload Delivered Through Steganography, (Fri, Apr 25th)
In this diary, I'll show you a practical example of how steganography is used to hide payloads (or other suspicious data) from security tools and Security Analysts' eyes. Steganography can be defined like this: It is the art and science…
ISC Stormcast For Friday, April 25th, 2025 https://isc.sans.edu/podcastdetail/9424, (Fri, Apr 25th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Friday, April 25th, 2025…
Attacks against Teltonika Networks SMS Gateways, (Thu, Apr 24th)
Ever wonder where all the SMS spam comes from? If you are trying to send SMS “at scale,” there are a few options: You could sign up for a messaging provider like Twilio, the AWS SNS service, or several similar…
ISC Stormcast For Thursday, April 24th, 2025 https://isc.sans.edu/podcastdetail/9422, (Thu, Apr 24th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Thursday, April 24th, 2025…
ISC Stormcast For Wednesday, April 23rd, 2025 https://isc.sans.edu/podcastdetail/9420, (Wed, Apr 23rd)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Wednesday, April 23rd, 2025…
Honeypot Iptables Maintenance and DShield-SIEM Logging, (Wed, Apr 23rd)
In the last week I ran into some issues that I hadn't anticipated: This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: Honeypot Iptables Maintenance and DShield-SIEM Logging, (Wed, Apr 23rd)
xorsearch.py: “Ad Hoc YARA Rules”, (Tue, Apr 22nd)
In diary entry “xorsearch.py: Searching With Regexes” I showed how one can let xorsearch.py generate a YARA rule with a given regular expression. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: xorsearch.py:…
ISC Stormcast For Tuesday, April 22nd, 2025 https://isc.sans.edu/podcastdetail/9418, (Tue, Apr 22nd)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Tuesday, April 22nd, 2025…
It’s 2025… so why are obviously malicious advertising URLs still going strong?, (Mon, Apr 21st)
While the old adage stating that “the human factor is the weakest link in the cyber security chain†will undoubtedly stay relevant in the near (and possibly far) future, the truth is that the tech industry could – and should…
ISC Stormcast For Monday, April 21st, 2025 https://isc.sans.edu/podcastdetail/9416, (Mon, Apr 21st)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Monday, April 21st, 2025…
Wireshark 4.4.6 Released, (Sun, Apr 20th)
Wireshark release 4.4.6 fixes 14 bugs. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: Wireshark 4.4.6 Released, (Sun, Apr 20th)
ISC Stormcast For Friday, April 18th, 2025 https://isc.sans.edu/podcastdetail/9414, (Fri, Apr 18th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Friday, April 18th, 2025…
ISC Stormcast For Thursday, April 17th, 2025 https://isc.sans.edu/podcastdetail/9412, (Thu, Apr 17th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Thursday, April 17th, 2025…
RedTail, Remnux and Malware Management [Guest Diary], (Wed, Apr 16th)
[This is a Guest Diary by Jacob Claycamp, an ISC intern as part of the SANS.edu BACS program] This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: RedTail, Remnux and Malware Management [Guest…
Apple Patches Exploited Vulnerability, (Wed, Apr 16th)
This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: Apple Patches Exploited Vulnerability, (Wed, Apr 16th)
ISC Stormcast For Wednesday, April 16th, 2025 https://isc.sans.edu/podcastdetail/9410, (Wed, Apr 16th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Wednesday, April 16th, 2025…
Online Services Again Abused to Exfiltrate Data, (Tue, Apr 15th)
If Attackers can abuse free online services, they will do for sure! Why spend time to deploy a C2 infrastructure if you have plenty of ways to use “official” services. Not only, they don't cost any money but the traffic…
ISC Stormcast For Tuesday, April 15th, 2025 https://isc.sans.edu/podcastdetail/9408, (Tue, Apr 15th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Tuesday, April 15th, 2025…
xorsearch.py: Searching With Regexes, (Mon, Apr 14th)
As promised in diary entry “XORsearch: Searching With Regexes”, I will outline another method to search with xorsearch and regexes. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: xorsearch.py: Searching With Regexes,…
ISC Stormcast For Monday, April 14th, 2025 https://isc.sans.edu/podcastdetail/9406, (Mon, Apr 14th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Monday, April 14th, 2025…
Exploit Attempts for Recent Langflow AI Vulnerability (CVE-2025-3248), (Sat, Apr 12th)
Two weeks ago, version 1.3.0 of Langflow was released. The release notes list many fixes but do not mention that one of the “Bug Fixes” addresses a major vulnerability. Instead, the release notes state, “auth current user on code validation.”…
ISC Stormcast For Friday, April 11th, 2025 https://isc.sans.edu/podcastdetail/9404, (Fri, Apr 11th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Friday, April 11th, 2025…
ISC Stormcast For Thursday, April 10th, 2025 https://isc.sans.edu/podcastdetail/9402, (Thu, Apr 10th)
This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Thursday, April 10th, 2025…