Sys-Admin Up – Telegram
Sys-Admin Up
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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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APT Simulator

APT Simulator is a Windows Batch noscript that uses a set of tools and output files to make a system look as if it was compromised. In contrast to other adversary simulation tools, APT Simulator is designed to make the application as simple as possible..:

https://github.com/NextronSystems/APTSimulator

#tool #review
new_side_attack_intel_cpu_sys-admin_,up.pdf
380.2 KB
New side-channel attack to Intel CPU report

Abstract—The transient execution attack is a type of attack leveraging the vulnerability of modern CPU optimization technologies. New attacks surface rapidly. The side-channel is a key part of transient execution attacks to leak data
Attack Campaign that Uses Fake Google Chrome Error to Distribute Malware from Compromised Websites

Research:

https://insight-jp.nttsecurity.com/post/102icvb/attack-campaign-that-uses-fake-google-chrome-error-to-distribute-malware-from-com
Linux Catalogs - Visual Denoscriptions
System_Design_ByteByteGo_PDF.pdf
37.8 MB
Big Collection for System Designers

🔸 What are database isolation levels
🔸 What is IaaS/PaaS/SaaS
🔸 What is SSO (Single Sign-On)
🔸 How to store passwords safely in the database
🔸 How does HTTPS work
🔸 ..and more and more….
An Introduction into Sleep Obfuscation

The goal of this post is to break down this technique:

https://dtsec.us/2023-04-24-Sleep/
Hiding in Plain Sight: Unlinking Malicious DLLs from the PEB

In this post, we take a look at an anti-forensics technique that malware can leverage to hide injected DLLs. We dive into specific details of the Windows Process Environment Block (PEB) and how to abuse it to hide a malicious loaded DLL:

https://blog.christophetd.fr/dll-unlinking/