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InfoSec, Hacks, Perks, Tools, IT/IS Courses, CVE… Contains part of the news that was not included in the Sys-Admin & InfoSec Channel (@sysadm_in_channel)
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Method for Decrypting Data Infected with Rhysida Ransomware

https://arxiv.org/pdf/2402.06440.pdf
/ CVE-2024-21413 - Expect Script POC

Microsoft Outlook Leak credentials & Remote Code Execution Vulnerability when chained with CVE-2023-21716 (through the preview panel) CVSS:3.1 9.8 / 8.5:

https://github.com/duy-31/CVE-2024-21413
/ Exploring AMD Platform Secure Boot

..dig deeper into the nitty gritty details of PSB, including a first glimpse of how it works under the hood, how it should be configured and, naturally, how various major vendors fail to do so.

https://labs.ioactive.com/2024/02/exploring-amd-platform-secure-boot.html
CrimsonEDR - EDR Attack Sumulator

CrimsonEDR is an open-source project engineered to identify specific malware patterns, offering a tool for honing skills in circumventing Endpoint Detection and Response (EDR). By leveraging diverse detection methods, it empowers users to deepen their understanding of security evasion tactics:

https://github.com/Helixo32/CrimsonEDR/tree/main
/ Python Risk Identification Tool for generative AI (PyRIT)

The Python Risk Identification Tool for generative AI (PyRIT) is an open access automation framework to empower security professionals and ML engineers to red team foundation models and their applications.

https://github.com/Azure/PyRIT
/ OpenBLD.net PDP Beta Program Announce

Personal DoH Profiling (PDP), a new service that provides:

- Complete isolation of your DNS requests, ensuring that no one can track your online activity.
- Personalized DNS settings, so you can block ads, malicious websites, and other unwanted content.
- Robust security with DNSSEC, TLSv1.2, and TLSv1.3.
- Self Allow/Block lists controls and more...

Details: https://news.1rj.ru/str/openbld/56
New The NIST Cybersecurity Framework (CSF) 2.0

Release date - February 26, 2024:

https://nvlpubs.nist.gov/nistpubs/CSWP/NIST.CSWP.29.pdf
Keylogging in the Windows kernel with undocumented data structures

https://eversinc33.com/posts/kernel-mode-keylogging/
Forwarded from OpenBLD.net (Yevgeniy Goncharov)
😡 OpenBLD.net - Phobos Ransomware Attack Mitigations

The Federal Bureau of Investigation (FBI), the Cybersecurity and Infrastructure Security Agency (CISA), and the Multi-State Information Sharing and Analysis Center (MS-ISAC) are releasing this joint CSA, to disseminate known TTPs and IOCs associated with the Phobos ransomware variants observed as recently as February 2024...

Phobos actors run executables like 1saas.exe or cmd.exe to deploy additional Phobos payloads that have elevated privileges enabled. Additionally, Phobos actors can use the previous commands to perform various windows shell functions. The Windows command shell enables threat actors to control various aspects of a system, with multiple permission levels required for different subsets of commands.

How to mitigate risks:
- Secure RDP
- Reduce administratiove provigese scoping
- Use OpenBLD.net or similar services

Technical details on CISA site:
- https://www.cisa.gov/news-events/cybersecurity-advisories/aa24-060a
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Forwarded from OpenBLD.net (Yevgeniy Goncharov)
📢 Integration of OpenBLD.net with URLhaus by abuse.ch

URLhaus is a project operated by abuse.ch. Its purpose is to collect, track, and share malware URLs, aiding network administrators and security analysts in safeguarding their networks and customers from cyber threats.

Now, you can check the malicious domain ownership with OpenBLD.net alongside Quad9, AdGuard, Cloudflare, ProtonDNS on abuse.ch.

In addition, you can incorporate abuse.ch lists into your security solutions, just as OpenBLD.net does.

You can check this as example on:
🔹 https://urlhaus.abuse.ch/host/dukeenergyltd.top

Here's to security for us all. Cheers!)
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Smishing: Understanding SMS Phishing Tactics

Smishing with EvilGophish:

https://fin3ss3g0d.net/index.php/2024/03/04/smishing-with-evilgophish/