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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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Dredge - Dredging up secrets from the depths of a filesystem

Dredge is a linux command-line tool for finding and logging secrets on a filesystem for manual inspection:

https://github.com/grahamhelton/dredge
According official Kali twitter blog post - The xz package, starting from version 5.6.0 to 5.6.1, was found to contain a backdoor. The impact of this vulnerability affected Kali between March 26th to March 29th. If you updated your Kali installation on or after March 26th, it is crucial to apply the latest updates today

Hack via hacker distro?)

CVE - https://nvd.nist.gov/vuln/detail/CVE-2024-3094

🔹 FAQ on the xz-utils backdoor: https://gist.github.com/thesamesam/223949d5a074ebc3dce9ee78baad9e27
🔹 Checker vulnerability: https://github.com/FabioBaroni/CVE-2024-3094-checker/blob/main/CVE-2024-3094-checker.sh
🔹 Detection: https://github.com/byinarie/CVE-2024-3094-info
🔹 More details: https://www.wiz.io/blog/cve-2024-3094-critical-rce-vulnerability-found-in-xz-utils
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Python-for-Cybersecurity.pdf
8.3 MB
For offensive / defensive
Command Injection and Backdoor Account in D-Link NAS Devices

The described vulnerability affects multiple D-Link NAS devices, including models DNS-340L, DNS-320L, DNS-327L, and DNS-325, among others. The vulnerability lies within the nas_sharing.cgi uri, which is vulnerable due to two main issues: a backdoor facilitated by hardcoded credentials, and a command injection vulnerability via the system parameter..:

https://github.com/netsecfish/dlink?tab=readme-ov-file
NativeDump

NativeDump allows to dump the lsass process using only NTAPIs generating a Minidump file with only the streams needed to be parsed by tools like Mimikatz or Pypykatz (SystemInfo, ModuleList and Memory64List Streams).

https://github.com/ricardojoserf/NativeDump
/ Vulnerabilities Identified in LG WebOS

WebOS versions 4 through 7 running on LG TVs. These vulnerabilities let us gain root access on the TV after bypassing the authorization mechanism. Although the vulnerable service is intended for LAN access only, so.. Internet-connected devices, identified over 91,000 devices:

https://www.bitdefender.com/blog/labs/vulnerabilities-identified-in-lg-webos/
/ Unauthenticated attacker can execute arbitrary code via FortiClientLinux

[FortiClient Linux] Remote Code Execution due to dangerous nodejs configuration. Official advisory:

https://www.fortiguard.com/psirt/FG-IR-23-087
/ CVE-2024-3273: D-Link NAS RCE Exploited in the Wild

A remote code execution vulnerability in D-Link NAS devices is actively being exploited and is tracked under CVE-2024-3273. The vulnerability is believed to affect as many as 92,000 devices

https://www.greynoise.io/blog/cve-2024-3273-d-link-nas-rce-exploited-in-the-wild
CISSP Cheat Sheet Series.pdf
573.1 KB
/ Security & Risk Management (CISSP Cheat Sheet)

Covers a range of key topics:

- Domain 1: Security and Risk Management
- Domain 2: Asset Security
- Domain 3: Security Architecture and Engineering
- Domain 4: Communication and Network Security
- Domain 5: Identity and Access Management
- Domain 6: Security Assessment and Testing
- Domain 7: Security Operations
- Domain 8: Software Development Security
BatBadBut: You can't securely execute commands on Windows

The root cause of BatBadBut is the overlooked behavior of the CreateProcess function on Windows.

When executing batch files with the CreateProcess function, Windows implicitly spawns cmd.exe because Windows can’t execute batch files without it:

https://flatt.tech/research/posts/batbadbut-you-cant-securely-execute-commands-on-windows
Forwarded from OpenBLD.net (Yevgeniy Goncharov)
JetBrains следуя практикам поддержки Open Source, в этом году поддержал OpenBLD.net и меня новой лицензией

JetBrains - это первая компания, которая поддержала мою инициативу на пути создания моих открытых проектов. Такая поддержка, явилась значимой для меня, моей мотивации и движения вперед. Благодаря таким активностям ты понимаешь, что не тратишь время впустую, что не тянешь это все в одну упряжку, есть те, кто понимает тебя, кто поддерживает тебя и твои идеи и это делает тебя еще сильнее и еще ближе на пути достижения поставленных целей и реализации твоих идей.

Это круто, это приятно и это дает возможность двигаться еще дальше, чем ты есть на сегодня.

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JetBrains OSS - https://www.jetbrains.com/opensource/