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Rewterz Threat Advisory – ICS: Siemens SIMATIC CP 442-1 and CP 443-1 RNA Vulnerability
May 11, 2022
Rewterz Threat Advisory – CVE-2022-29885 – Apache Tomcat Vulnerability
May 12, 2022

Rewterz Threat Alert – Orcus RAT – Active IOCs

May 11, 2022

Severity

High

Analysis Summary

In the past few years Orcus was known as Schnorchel, is a Remote Access Trojan with some odd activity. This RAT enables attackers to create plugins using a custom development library and offers a robust core feature set that makes it one of the most dangerous malicious programs in its class. The ability of Orcus RAT 

  • Keylogging and remote administration 
  • Stealing system information and credentials 
  • Taking screenshots, recording video from Webcams, recording audio from microphones, and disabling webcam light 
  • Executing remote code execution and Denial-of-Service 
  • Exploring/editing registry 
  • Detecting VMs 
  • Reverse Proxying 
  • Real-Time Scripting 
  • Advanced Plugin System

Impact

  • Credential Theft
  • Financial Loss

Indicators of Compromise

MD5

  • 074333816e82613e878ba704e5905c81

SHA-256

  • e44a1c3c7069e3b2a2f3cbbd6e414f1c4fc1331e0ef96ea80780b958ced9bf57

SHA-1

  • 9808d9b42c8053128f6507a9f6ae571b94a4e74c

Remediation

  • Block the threat indicators at their respective controls.
  • Do not respond to unexpected emails from untrusted email addresses.
  • Services
    • Assess
      • Compromise Assessment
      • APT Assessment
      • Penetration Testing
      • Secure Architecture Design & Review
      • Red Team Assessment
      • Purple Team Assessment
      • Social Engineering
      • Source Code Review
    • Respond
      • Incident Response
      • Incident Analysis
  • Transform
    • SOC Consultancy
    •     SOC Maturity Assessment
    •     SOC Model Evaluation
    •     SOC Gap Analysis
    •     SIEM Gap Analysis
    •     SIEM Optimization
    •     SOC Content Pack
  • Train
    • Security Awareness and Training
    • Tabletop Exercise
    • Simulated Cyber Attack Exercises
  • Managed Security
    • Managed Security Monitoring
      • Remote SOC
      • Onsite SOC
      • Hybrid SOC
    • Managed Security Services
      • Managed Detection and Response
      • Managed Endpoint Detection and Response
      • Managed Threat Intelligence
      • Managed Threat Hunting
      • Managed Risk-Based SOAR
      • Managed Penetration Testing
  • Solutions
  • Resources
    • Blog
    • Threat Advisory
  • Company
    • About Us
    • Careers
    • Contact
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