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Category: SANS Internet Storm Center, InfoCON: green
Time-to-Live Analysis of DShield Data with Vega-Lite, (Wed, Sep 18th)
Since posting a diary about Vega-Lite [1], I have “played” with other queries that might be interesting and the first one that I wanted to explore since the DShield SIEM [2] capture and parse the iptables logs and store the…
Python Infostealer Patching Windows Exodus App, (Wed, Sep 18th)
A few months ago, I wrote a diary[1] about a Python script that replaced the Exodus[2] Wallet app with a rogue one on macOS. Infostealers are everywhere these days. They target mainly browsers (cookies, credentials) and classic applications that may…
ISC Stormcast For Wednesday, September 18th, 2024 https://isc.sans.edu/podcastdetail/9142, (Wed, Sep 18th)
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23:59, Time to Exfiltrate!, (Tue, Sep 17th)
Last week, I posted a diary about suspicious Python modules. One of them was Firebase [1], the cloud service provided by Google[2]. Firebase services abused by attackers is not new, usually, it's used to host malicious files that will be…
ISC Stormcast For Tuesday, September 17th, 2024 https://isc.sans.edu/podcastdetail/9140, (Tue, Sep 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 Tuesday, September 17th, 2024…
Managing PE Files With Overlays, (Mon, Sep 16th)
There is a common technique used by attackers: They append some data at the end of files (this is called an overlay). This can be used for two main reasons: To hide the appended data from the operating system (steganography).…
ISC Stormcast For Monday, September 16th, 2024 https://isc.sans.edu/podcastdetail/9138, (Mon, Sep 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 Monday, September 16th, 2024…
YARA-X’s Dump Command, (Sun, Sep 15th)
YARA-X is not just a rewrite of YARA in Rust, it comes with new features too. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: YARA-X’s Dump Command, (Sun, Sep 15th)
YARA 4.5.2 Release, (Sat, Sep 14th)
YARA 4.5.2 was released with 3 small changes and 4 bugfixes. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: YARA 4.5.2 Release, (Sat, Sep 14th)
Finding Honeypot Data Clusters Using DBSCAN: Part 2, (Fri, Sep 13th)
In an earlier diary [1], I reviewed how using tools like DBSCAN [2] can be useful to group similar data. I used DBSCAN to try and group similar commands submitted to Cowrie [3] and URL paths submitted to the DShield…
Finding Honeypot Data Clusters Using DBSCAN: Part 2, (Fri, Aug 23rd)
In an earlier diary [1], I reviewed how using tools like DBSCAN [2] can be useful to group similar data. I used DBSCAN to try and group similar commands submitted to Cowrie [3] and URL paths submitted to the DShield…
ISC Stormcast For Friday, September 13th, 2024 https://isc.sans.edu/podcastdetail/9136, (Fri, Sep 13th)
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Hygiene, Hygiene, Hygiene! [Guest Diary], (Wed, Sep 11th)
[This is a Guest Diary by Paul Olson, 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: Hygiene, Hygiene, Hygiene! [Guest Diary], (Wed,…
Python Libraries Used for Malicious Purposes, (Wed, Sep 11th)
Since I'm interested in malicious Python scripts, I found multiple samples that rely on existing libraries. The most-known repository is probably pypi.org[1] that reports, as of today, 567,478 projects! Malware developers are like regular developers: They don't want to reinvent…
ISC Stormcast For Wednesday, September 11th, 2024 https://isc.sans.edu/podcastdetail/9134, (Wed, Sep 11th)
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Microsoft September 2024 Patch Tuesday, (Tue, Sep 10th)
Today, Microsoft released its scheduled September set of patches. This update addresses 79 different vulnerabilities. Seven of these vulnerabilities are rated critical. Four vulnerabilities are already being exploited and have been made public. This article has been indexed from…
ISC Stormcast For Tuesday, September 10th, 2024 https://isc.sans.edu/podcastdetail/9132, (Tue, Sep 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, September 10th, 2024…
Wireshark 4.4’s IP Address Functions, (Mon, Sep 9th)
New IP address functions have been added in Wireshark 4.4 (if you use Wireshark on Windows, there's a bug in release 4.4.0: the DLL with these functions is missing, it will be included in release 4.4.1; all is fine with…

Password Cracking & Energy: More Dedails, (Sun, Sep 8th)
Here are more details on the power consumption of my desktop computer when I crack passwords (cfr diary entry “Quickie: Password Cracking & Energy”). This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article:…