Sys-Admin InfoSec – Telegram
Sys-Admin InfoSec
12.7K subscribers
235 photos
2 videos
103 files
4.54K links
News of cybersecurity / information security, information technology, data leaks / breaches, cve, hacks, tools, trainings
* Multilingual (En, Ru).
* Forum - forum.sys-adm.in
* Chat - @sysadm_in
* Job - @sysadm_in_job
* ? - @sysadminkz
Download Telegram
/ USBGuard - can help to protect Linux from BadUSB and etc.

Open Source software framework helps to protect your computer against rogue USB devices (a.k.a. BadUSB) by implementing basic whitelisting and blacklisting capabilities based on device attributes:

https://usbguard.github.io
Sys-Admin InfoSec pinned «Open BLD DNS Updating News: New BLD release, New tools and more   I'm happy to present new Open BLD release which is already in production 🎉 🌴 Stabilities and Updates: • Atomizing/Micro-servicing: Different server BLD infrastructure roles • Alerting coverage:…»
Forwarded from Sys-Admin Up (Yevgeniy Goncharov)
How to reset Linux user password with Ansible
* [en] - Read

Как сменить пароль Linux пользователя при помощи Ansible
* [ru] - Читать
OrBit: New Undetected Linux Threat Uses Unique Hijack of Execution Flow

In this blog we will provide a deep technical analysis of a new and fully undetected Linux threat we named OrBit..:

https://www.intezer.com/blog/incident-response/orbit-new-undetected-linux-threat

P.S. Thx @Anykey76 ✌️
/ Uncovering a macOS App Sandbox escape vulnerability: A deep dive into CVE-2022-26706

MS uncovered a vulnerability in macOS that could allow specially crafted codes to escape the App Sandbox and run unrestricted on the system. MS shared these findings with Apple through Coordinated Vulnerability Disclosure (CVD) via Microsoft Security Vulnerability Research (MSVR) in October 2021. A fix for this vulnerability, now identified as CVE-2022-26706, was included in the security updates released by Apple on May 16, 2022. Microsoft shares the vulnerability disclosure credit with another researcher, Arsenii Kostromin (0x3c3e), who discovered a similar technique independently.

* Article

/ From cookie theft to BEC: Attackers use AiTM phishing sites as entry point to further financial fraud

A large-scale phishing campaign that used adversary-in-the-middle (AiTM) phishing sites stole passwords, hijacked a user’s sign-in session, and skipped the authentication process even if the user had enabled multifactor authentication (MFA)..:

* Article
/ 20 years of payment processing problems

Electronic payment systems have existed on the Internet for a long time, and some bugs in them are twenty years old. We’ve found critical vulnerabilities allowing us to steal money and drive up the balance. Today we will analyze typical implementations of payment processing and related security issues…

https://bo0om.ru/20-years-of-payment-processing-problems-en
/ A look at the CloudMensis macOS spyware

CloudMensis is malware for macOS developed in Objective-C. Samples we analyzed are compiled for both Intel and Apple silicon architectures..:

* Technical analysis
Open BLD DNS: Our supporter is UptimeRobot
 
Hey, UptimeRobot it is a very good solution for on-line monitoring tasks. I'm using UptimeRobot over than 10 years for monitoring tasks by:
- Ping availability my Blog and Forum
- HTTP(S) availability and SSL expiry reminders
- Port(s) availability for Open BLD services
- Keyword checking on web-pages

Free plan allow using UptimeRobot with 5 min. interval with notifications to email.

Now, UptimeRobot helps to Open BLD Project to reduce checking intervals to 1 min and now you can checking Open BLD status on:
https://bld-status.sys-adm.in page.

On my own behalf, I express my deep gratitude to the UptimeRobot service, now the availability and stability of the Open BLD service has more monitoring than it was.
 
You can try / help to Open BLD DNS project through official BLD Project site:
* https://lab.sys-adm.in
/ DNS-over-HTTP/3 in Android

To help keep Android users’ DNS queries private, Android supports encrypted DNS. In addition to existing support for DNS-over-TLS, Android now supports DNS-over-HTTP/3 which has a number of improvements over DNS-over-TLS.

Announce from Google:

https://security.googleblog.com/2022/07/dns-over-http3-in-android.html
/ Luna and Black Basta — new ransomware for Windows, Linux and ESXi

Luna: brand-new ransomware written in Rust, Black Basta is a relatively new ransomware variant written in C++ which first came to light in February 2022…

Technical analysis:

https://securelist.com/luna-black-basta-ransomware/106950/
/ Apple released multiple security pathces for *OS

* About the security content of macOS Monterey 12.5. Details.
* About the security content of macOS Big Sur 11.6.8. Details.
* About the security content of Security Update 2022-005 Catalina. Details.
/ Atlassian Multiple Products Security Advisory - CVE-2022-26136, CVE-2022-26137

* Summary of Vulnerabilities