İbrahim BALOĞLU - Siber Güvenlik Paylaşımları
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#tools
#exploit
#AppSec
#Fuzzing
Breaking the Sound Barrier
Part 1 - Fuzzing CoreAudio with Mach Messages
Part 2 - Exploiting CVE-2024-54529
]-> Fuzzing Tools
]-> CoreAudio Exploit POC (macOS Sequoia)
// CVE-2024-54529 (Type Confusion in CoreAudio), CVE-2025-31235 (Double Free in CoreAudio)
#NetSec
#hardening
#Cyber_Education
CCNP Switching Guide
(VLANs, STP, EtherChannel, L2 Security, FHRP), Feb. 2026.
// - Switching Fundamentals: CAM/TCAM drive every decision. Unknown unicast = hidden risk
- VLANs: Segmentation ≠ security. VLAN 1 should never carry traffic
- Trunking: DTP is a silent vulnerability. Manual trunking wins
- Inter-VLAN Routing: SVIs > ROAS. Modern networks route at the switch
- STP/RSTP: Misaligned roots = instant instability. BPDU Guard saves networks
- EtherChannel: LACP > PAgP. Mismatched configs = silent outages
- L2 Security: DHCP Snooping, DAI, IPSG Layer 2 is where attackers win quietly
- FHRP: HSRP/VRRP only work when aligned with STP root
#Analytics
#Threat_Research
An analytical review of the main cybersecurity events for the week (Jan.24-31, 2026)
1⃣ Critical eScan Supply Chain Compromise
// Anti-virus vendor eScan was compromised, and its update servers were used to install malware on some customer systems
2⃣ Fake Clawdbot VS Code Extension Installs ScreenConnect RAT
// The news about Clawdbot (now Moltbot) is used to distribute malware, in particular malicious VS Code extensions
3⃣ OpenSSL Updates
// OpenSSL released its monthly updates, fixing a potential RCE
4⃣ DoS Vulnerabilities in React Server Components
// Another folowup fix for the severe React vulnerability from last year, but now only fixing a DoS condition
5⃣ CVE-2026-21509 - MS Office 0-Day
// Microsoft released an out-of-band patch for Office fixing a currently exploited vulnerability
6⃣ StackRox 4.8.8 Kubernetes Security Platform + OpenAEV 2.0.14 Adversarial Exposure Validation Platform
// New releases have been released
7⃣ GnuPG 2.5.17
// This version fixes a critical security bug in versions 2.5.13 to 2.5.16
8⃣ Hacking Clawdbot and Eating Lobster Souls
// Part 2
9⃣ Operation Bizarre Bazaar
// First Attributed LLMjacking Campaign with Commercial Marketplace Monetization
1⃣0⃣ Silent Brothers: Ollama Hosts Form Anonymous AI Network Beyond Platform Guardrails
]-> Analytical review (Jan.17-24, 2026)
#Offensive_security
#Red_Team_Tactics
Living off the Process
https://g3tsyst3m.com/lotp/Living-off-the-Process
]-> Full Source Code ready to compile
AudioDG.exe DLL Hijacking for LPE
*
Windows 11 Home\Professional
Link
#DFIR
#Cloud_Security
"Digital Forensics and Incident Response in the Cloud: Addressing GCP Challenges", Dec. 2025.
// The goal of this paper is to research cloud forensic capabilities, identifying challenges and potential solutions unique to Google Cloud Platform
#tools
#Offensive_security
HuntCyberArk - CyberArk Security Audit Suite
https://github.com/Logisek/HuntCyberArk
// A comprehensive PowerShell-based security assessment tool for Privileged Access Management platforms
See also:
zBang - Risk assessment tool for privileged account threats
Conjur - Secrets management platform
ACLight - Shadow Admin discovery
Ansible Security Automation Collection - CyberArk Ansible integration
Shadow Copy Management via VSS API (C++, C#, Crystal, Python)
https://github.com/ricardojoserf/w11_shadow_copies
#Malware_analysis
1⃣ Scattered Spider Attacks
https://www.team-cymru.com/post/scattered-spider-attacks-infrastructure-profile
2⃣ KazakRAT
https://ctrlaltintel.com/threat%20research/KazakRAT
3⃣ A Shared Arsenal:
Identifying Common TTPs Across RATs
https://www.splunk.com/en_us/blog/security/common-ttps-rats-malware-analysis.html
4⃣ Decrypting View State Messages
https://zeroed.tech/blog/decrypting-viewstate-messages
]-> VSRipper decrypt tool
5⃣ TrueSightKiller: 2,500+ Weaponized Security Tool Variants Bypassing Microsoft's Defenses
https://www.magicsword.io/blog/truesightkiller-edr-killer-driver-abuse
Repost from CyberSecurityTechnologies
#Tech_book
"systemd for Linux SysAdmins:
All You Need to Know About the systemd Suite for Linux Users", 2025.
// This book will help you to understand systemd’s strengths and weaknesses and why there’s no truth in the myth that systemd is a monolithic monstrosity. systemd is the mother of all processes and is also responsible for bringing the Linux host up to a state in which productive work can be done
#tools
#DFIR
#Blue_Team_Techniques
1⃣ Blue Team LLM Assistant
// LLM supported Toolkit for Blue Team/SOC Operations
2⃣ Attack Flow Detector
// Find the MITRE ATT&CK flows sneakily hiding in your alerts, by making contextual groupings, then finding causal sequences
3⃣ Open Source SOC
// Building one Solution for Threat management and detection for network with Open source SOC solution
4⃣ IOChaser Chrome extension
// lightweight Chrome extension for SOC analysts, threat hunters, and blue teamers
5⃣ Mail Extractor IoC
// Python script to analyze emails and extract IoCs in JSON format
#Malware_analysis
1⃣ Decoding malware C2 with CyberChef
https://www.netresec.com/?page=Blog&month=2026-01&post=Decoding-malware-C2-with-CyberChef
2⃣ VoidLink: Evidence That the Era of Advanced AI-Generated Malware Has Begun
https://research.checkpoint.com/2026/voidlink-early-ai-generated-malware-framework
3⃣ SolyxImmortal: Python Malware Analysis
https://www.cyfirma.com/research/solyximmortal-python-malware-analysis
4⃣ From Extension to Infection: An In-Depth Analysis of the Evelyn Stealer Campaign Targeting Software Developers
https://www.trendmicro.com/es_es/research/26/a/analysis-of-the-evelyn-stealer-campaign.html
AV-EDR Killer
*
завершение процессов с помощью эксплуатации уязвимого драйвера
*
Link
#OpSec
#Purple_Team_Exercises
EDR Silencing
https://ipurple.team/2026/01/12/edr-silencing
// EDR Silencing is a technique that enables threat actors with elevated privileges on the asset to restrict endpoint detection and response visibility in order to execute less opsec oriented techniques
#Threat_Research
1⃣ One-click Telegram IP address leak
// Telegram client behavior with proxy links may allow attackers to reveal a user’s real IP address with a single click, even when a proxy is configured
2⃣ Gogs 0-Day Exploited in the Wild
// An at the time unpachted flaw in Gogs was exploited to compromise git repos
3⃣ n8n supply chain attack
// Malicious npm pagackages were used to attempt to obtain user OAUTH credentials for NPM
4⃣ Apache NimBLE Bluetooth vulnerabilities
// CVE-2025-52435, CVE-2025-53470, CVE-2025-53477, CVE-2025-62235, CVE-2024-47248, CVE-2024-47249, CVE-2024-47250, CVE-2024-51569, CVE-2024-24746
5⃣ Two CVEs, Zero Ego: A Mailpit Story
// CVE-2026-21859 (SSRF), CVE-2026-22689 (CSWSH)
6⃣ TinyOS 2.1.2 printfUART Global BOF via Unbounded Format Expansion
// vulnerability exists in the TinyOS printfUART implementation used within the ZigBee/IEEE 802.15.4 networking stack
#Analytics
#Threat_Research
An analytical review of the main cybersecurity events for the week (Jan.03-10, 2026)
1⃣ Cisco DNS Bug Reboot
// The issue appears to be related to a change Cloudflare made in the order of CNAME records. Only users using 1 1 1 1 as a recursive resolver appear to be affected
2⃣ n8n vulnerabilities
// In recent days, several new n8n vulnerabilities were disclosed. Ensure that you update any on-premises installations and carefully consider what to use n8n for
3⃣ D-Link DSL Command Injection
// A new vulnerability in very old D-Link DSL modems is currently being exploited
4⃣ ESXi Exploitation in the Wild
// In Dec. 2025, sophisticated attackers exploited VMware ESXi vulns via a multi-stage, stealthy attack leveraging 0-days and custom backdoors, leading to full hypervisor control, emphasizing urgent patching and detection see
5⃣ EDR Startup Process Blocker
// The article details a method using Windows Bindlink API and "bindflt.sys" to hijack DLL loading via EDRStartupHinder, preventing EDR/antivirus startup by redirecting DLLs and exploiting PPL protections, with recommendations for detection and defense
6⃣ GnuPG Vulnerabilities
// Several vulnerabilities in GnuPG were disclosed during a recent talk at the CCC congress
7⃣ YARA-X v1.11.0
]-> Analytical review (Dec.27-Jan.03, 2026)
¡Ya disponible! Investigación de Telegram 2025 — los principales insights del año 
