Alleged Sale of Premium Cross-Platform RCS Exploit Chain Targeting Windows, Android, and macOS

About the Exploit:

A threat actor using the alias breachleaks is advertising a Remote Control System (RCS) Exploit Chain for sale on an underground forum.
This zero-day exploit allegedly enables:

Initial Access & Privilege Escalation
Persistence with optional rootkit
Fully Undetectable (FUD) execution with sandbox/VM/antivirus evasion
Cross-platform targeting of Windows, Android, and macOS systems

⚠ Disclaimer

This report includes actual screenshots and/or text from dark web listings. Dark Web Informer explicitly condemns the unauthorized use of security vulnerabilities for malicious purposes. This content is shared for cybersecurity awareness and research only.

📌 Overview

The exploit is advertised as a full chain, affecting the following targets:

Platform	Details
Windows	Windows 10/11 (all builds up to 2025 H1)
Android	Android 12–14
macOS	Ventura, Sonoma

🧰 Features

Capability	Description
Persistence	Yes (with optional rootkit)
AV Evasion	Fully FUD, custom crypter included
Delivery Vectors	PDF, DOCX, browser payload (Chrome/Edge zero-click), SMS (Android)
C2 Compatibility	Empire, Mythic, Cobalt Strike, Custom HTTP/S

🔧 Additional Highlights

Zero-day kernel module support (Windows + Android)
Anti-VM, Anti-Sandbox, Anti-Debugging measures
Remote shell, screen capture, audio, keylogger, webcam, full cam control
Silent install – no user interaction required
Sandbox & VirusTotal bypass confirmed (proof available upon request)
Logs and live device stream exfiltration included

💰 Pricing (BTC/XMR Only)

Package	Price
BASIC	$2,000 (1-device license)
PRO	$4,000 (Multi-device, full C2 support)

📦 Package Includes

Encrypted exploit build
1-on-1 deployment guide (PDF + Video)
7-day post-sale support (PRO only)
FUD Crypter (stub with nightly updates)
Test victim device image (demo purposes)

📸 Screenshot Preview

📢 Threat Actor’s Notes

Escrow: Accepted via forum admin/verified middleman
Rules:
- No resell
- No use against Five Eyes or government targets
- No refunds once payload is delivered
Contact: Telegram (redacted in screenshots for safety)

📝 "Verified Buyer Reviews"

Buyer	Feedback
@0xNightEye	"Used on corporate laptop. No alerts. Full control within seconds. 10/10."
@SpectreBox	"Demo was flawless. Persistent even after firmware update. Worth every sat."
@GhostTrace	"Android version is insane. Silent, no prompts. Pushed via SMS, instant access."

🔗 Claim Post (Plain Text)

https://darkforums.st/Thread-Selling-%F0%9F%92%A5-WTS-Premium-RCS-Exploit-%E2%80%94-0-Day-Remote-Access-Chain-FUD-Cross-Platform-%F0%9F%92%A5--18397

🛡️ Security Implications

Potential Risks:
- Enterprise compromise across Windows, Android, macOS devices
- Use in APT toolkits or offensive red team operations
- Resale in exploit-as-a-service models despite rules
Mitigation Guidance:
- Monitor for zero-click PDF/DOCX payloads
- Harden EDR and sandbox detection systems
- Deploy behavioral anomaly detection on endpoints

💡 Final Thoughts

This listing highlights the commoditization of advanced cross-platform exploit chains in underground markets. The advertised capabilities, if genuine, pose significant risks to corporate, mobile, and personal device security globally.