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
Continue ReadingCategory: Dynamic Threat Feeds
ISC Stormcast For Monday, September 16th, 2024 https://isc.sans.edu/podcastdetail/9138, (Mon, Sep 16th)
(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
Continue ReadingYARA-X’s Dump Command, (Sun, Sep 15th)
YARA-X is not just a rewrite of YARA in Rust, it comes with new features too. One of these features is the dump command: yr.exe dump ... YARA-X can parse several file formats natively, to support
Continue ReadingYARA 4.5.2 Release, (Sat, Sep 14th)
YARA 4.5.2 was released with 3 small changes and 4 bugfixes. Didier Stevens Senior handler blog.DidierStevens.com (c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
Continue ReadingIvanti Releases Security Update for Cloud Services Appliance
Ivanti has released a security update addressing an OS command injection vulnerability (CVE-2024-8190) affecting Ivanti Cloud Services Appliance (CSA) 4.6 (all versions before patch 519). A cyber threat actor could exploit this vulnerability to take control
Continue ReadingCISA Adds One Known Exploited Vulnerability to Catalog
CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2024-8190 Ivanti Cloud Services Appliance OS Command Injection Vulnerability These types of vulnerabilities are frequent attack vectors for malicious
Continue ReadingFinding 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
Continue ReadingAnnouncing the 11th Annual Flare-On Challenge
Written by: Nick Harbour When it's pumpkin spice season, that means it's also Flare-On Challenge season. The Flare-On Challenge is a reverse engineering contest held every year by the FLARE team, and this marks its eleventh
Continue ReadingCISA Releases Analysis of FY23 Risk and Vulnerability Assessments
CISA has released an analysis and infographic detailing the findings from the 121 Risk and Vulnerability Assessments (RVAs) conducted across multiple critical infrastructure sectors in fiscal year 2023 (FY23). The analysis details a sample attack path
Continue ReadingISC Stormcast For Friday, September 13th, 2024 https://isc.sans.edu/podcastdetail/9136, (Fri, Sep 13th)
(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
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