Unmasking Advanced Persistent Threats: How Threat Actors Stay Hidden and What We Can Do About It

Unmasking Advanced Persistent Threats: How Threat Actors Stay Hidden and What We Can Do About It
Advanced Persistent Threats (APTs) represent a growing danger in the cyber landscape, characterized by sophisticated techniques aimed at infiltrating networks for espionage or theft. Their highly stealthy operations often go undetected for extended periods, posing significant challenges for security measures. Key insights from a recent study illuminate their methodologies and defensive strategies for safeguarding against these threats. Affected: businesses, governments, individuals

Keypoints :

  • APTs are prolonged, sophisticated cyber campaigns aimed at data theft and espionage.
  • Increased use of techniques like spearphishing for initial infiltration into networks.
  • After gaining access, APTs establish control through Command and Control (C&C) servers.
  • They employ tactics to blend in with normal internet traffic, making detection difficult.
  • APTs exfiltrate sensitive data while utilizing backup communication methods to evade security.
  • Examples of notable APT groups highlight their diverse targets and complex methods.
  • Protective measures include strong email security, traffic monitoring, and multi-factor authentication.

MITRE Techniques :

  • Initial Access (TA0001) – APTs commonly use spearphishing emails to infiltrate networks.
  • Command and Control (TA0011) – Connecting to C&C servers to maintain access and collect data.
  • Traffic Signaling (T1071) – Utilizing HTTPS and DNS requests to obscure malicious activity.
  • Data Exfiltration (TA0010) – Stealthily sending gathered data back to attackers using encrypted methods.
  • Credential Dumping (T1003) – Exploiting stolen credentials to elevate privileges if intercepted.

Indicator of Compromise :

  • [Domain] google.com
  • [Domain] microsoft.com
  • [Technique] DNS hijacking
  • [Technique] Domain fronting
  • [Technique] Multi-hop proxies


Full Story: https://medium.com/@itsissachar/unmasking-advanced-persistent-threats-how-threat-actors-stay-hidden-and-what-we-can-do-about-it-1cd55cd63672?source=rss——infosec-5