I was intrigued when Johannes talked about malware that uses BASE64 over DNS to communicate. Take a DNS request like this: label1.label2.tld. Labels in a request like this can only be composed with letters (not case-sensitive), digits and a hyphen…
Category: SANS Internet Storm Center, InfoCON: green
ISC Stormcast For Monday, October 27th, 2025 https://isc.sans.edu/podcastdetail/9672, (Mon, Oct 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 Monday, October 27th, 2025…
Kaitai Struct WebIDE, (Sun, Oct 26th)
When I have a binary file to analyze, I often use tools like 010 Editor or format-bytes.py (a tool I develop). Sometimes I also use Kaitai Struct. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read…
ISC Stormcast For Friday, October 24th, 2025 https://isc.sans.edu/podcastdetail/9670, (Fri, Oct 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 Friday, October 24th, 2025…
Phishing Cloud Account for Information, (Thu, Oct 23rd)
Over the past two months, my outlook account has been receiving phishing email regarding cloud storage payments, mostly in French and some English with the usual warning such as the account is about to be locked, space is full, loss…
Infostealer Targeting Android Devices, (Thu, Oct 23rd)
Infostealers landscape exploded in 2024 and they remain a top threat today. If Windows remains a nice target (read: Attackers' favorite), I spotted an Infostealer targeting Android devices. This sounds logical that attackers pay attention to our beloved mobile devices…
ISC Stormcast For Thursday, October 23rd, 2025 https://isc.sans.edu/podcastdetail/9668, (Thu, Oct 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 Thursday, October 23rd, 2025…
webctrl.cgi/Blue Angel Software Suite Exploit Attempts. Maybe CVE-2025-34033 Variant?, (Wed, Oct 22nd)
Starting yesterday, some of our honeypots received POST requests to “/cgi-bin/webctrl.cgi”, attempting to exploit an OS command injection vulnerability: This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: webctrl.cgi/Blue Angel Software Suite Exploit…
ISC Stormcast For Wednesday, October 22nd, 2025 https://isc.sans.edu/podcastdetail/9666, (Wed, Oct 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 Wednesday, October 22nd, 2025…
What time is it? Accuracy of pool.ntp.org., (Tue, Oct 21st)
Yesterday, Chinese security services published a story alleging a multi-year attack against the systems operating the Chinese standard time (CST), sometimes called Beijing Standard Time. China uses only one time zone across the country, and has not used daylight saving…
ISC Stormcast For Tuesday, October 21st, 2025 https://isc.sans.edu/podcastdetail/9664, (Mon, Oct 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, October 21st, 2025…
Many Online Services and Websites Affected by an AWS Outage, (Mon, Oct 20th)
The info is spreading across the news websites: For approximatively two hours, many online services or websites are suffering of an Amazon Web Services outage. Some affected services: This article has been indexed from SANS Internet Storm Center, InfoCON: green…
Using Syscall() for Obfuscation/Fileless Activity, (Mon, Oct 20th)
I found another piece of malware this weekend. This one looks more like a proof-of-concept because the second-stage payload is really “simple”, but it attracted my attention because it uses a nice technique to obfuscate the code. This article has…
ISC Stormcast For Monday, October 20th, 2025 https://isc.sans.edu/podcastdetail/9662, (Sun, Oct 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, October 20th, 2025…
TikTok Videos Promoting Malware Installation, (Fri, Oct 17th)
Attackers are everywhere! They try to abuse victims using new communication channels and social engineering techniques! Somebody pointed my to the following Tik-Tok video: hxxps://vm[.]tiktok[.]com/ZGdaCkbEF/. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original…
ISC Stormcast For Friday, October 17th, 2025 https://isc.sans.edu/podcastdetail/9660, (Fri, Oct 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 Friday, October 17th, 2025…
New DShield Support Slack, (Thu, Oct 16th)
This week, we set up a new Slack workspace for DShield.org. This workspace replaces the old workspace we originally configured back in 2016 or 2017. The workspace was originally configured as a free workspace to support the DShield.org community. Over…
ISC Stormcast For Thursday, October 16th, 2025 https://isc.sans.edu/podcastdetail/9658, (Wed, Oct 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, October 16th, 2025…
Clipboard Pictures Exfiltration in Python Infostealer, (Wed, Oct 15th)
For a while, clipboard content has been monitored by many infostealers. Purposes can be multiple, like simply searching and exfiltrating juicy data or on-the-fly modification like crypto-wallet swapping[1]. Note that the clipboard is a major risk when you don't disable…
ISC Stormcast For Wednesday, October 15th, 2025 https://isc.sans.edu/podcastdetail/9656, (Tue, Oct 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, October 15th, 2025…