Engage Goals: EGO0001 Expose, EGO0002 Affect, EGO0003 Elicit
Engage Approach: EAP0002 Detect, EAP0003 Prevent, EAP0005 Disrupt
Engage Actions: EAC0005 Lures, EAC0015 Information Manipulation, SAC0012 Engagement Environment
Name of Element: Embedded Honeytokens
Description of Element:
These are computer login accounts or banking login credentials created to entice attackers. The use of these honeytokens is monitored, and any unauthorized attempt to use them triggers an alert.
Technical Context:
Implementation Techniques
1. Network-Level Egress Monitoring:
•Detection Mechanisms: Tools like Snort or Zeek can monitor for traffic patterns indicating the use of honeytokens.
•Alert Systems: Configure alerts to trigger when honeytoken-specific traffic is detected.
2. Host-Based Monitoring:
•File Integrity Monitoring (FIM): Tools like OSSEC or Tripwire can monitor for access or changes to files containing honeytokens.
•Behavioral Analysis: Use endpoint detection and response (EDR) systems to analyze suspicious behavior related to honeytoken interaction.
3. Embedded Beacons and Tracking:
•Beacons in Documents: JavaScript or other scripts embedded in PDFs or Word documents can send a signal to a monitoring server when the document is opened.
•Web Bugs: Tiny, invisible images or links that trigger a request to a server when viewed.
4. Integration with SIEM:
•Centralized Logging: Forward alerts from honeytoken interactions to a Security Information and Event Management (SIEM) system for correlation and analysis.
•Automated Response: Configure the SIEM to trigger automated responses, such as isolating the affected system or initiating forensic analysis.
Deployment Strategies
1. Distribution:
•Strategic Placement: Place honeytokens in locations where they are likely to be discovered by attackers, such as in configuration files, database entries, or email archives.
•Variety and Randomization: Use a variety of honeytokens and periodically change them to prevent attackers from recognizing them as decoys.
2. Monitoring and Alerting:
•Continuous Monitoring: Set up continuous monitoring for any interaction with honeytokens. This can be done through network traffic analysis, host-based monitoring, or both.
•Thresholds and Triggers: Define thresholds for what constitutes suspicious activity and set up triggers for alerts.
3. Analysis and Response:
•Incident Response Integration: Integrate honeytoken alerts into the incident response workflow to ensure timely investigation and remediation.
•Forensic Analysis: Use data from honeytoken interactions to conduct forensic analysis and understand the attacker’s methods and objectives.
Example Tools and Platforms
1. Canary Tokens:
•OpenCanary: A customizable honeypot framework that allows embedding of honeytokens.
•Canarytokens.org: A free service to create various types of honeytokens such as URLs, DNS, or AWS keys.
2. HoneyDB:
•Honeytokens: Provides a database of honeytokens and tools to monitor them.
3. ELK Stack:
•Integration: Use Elasticsearch, Logstash, and Kibana (ELK) stack to collect, process, and visualize honeytoken alerts.
Case Study: Financial Institutions
Scenario:
•A bank embeds honeytokens within its internal documentation and customer service databases. These tokens include fake account numbers and internal API keys.
Implementation:
•Embedded Credentials: Fake credentials are planted in less critical systems that are still attractive to attackers.
•Beacons: Embedded in documents labeled as sensitive, these beacons send alerts when accessed.
•Monitoring: Network and host-based systems continuously monitor for the use of these tokens.
Outcome:
•Detection: Unauthorized access is detected quickly through the use of honeytokens.
•Response: The security team is alerted and can respond immediately, reducing potential damage.
By implementing embedded honeytokens using these technical details, organizations can enhance their ability to detect, analyze, and respond to unauthorized access, thus improving their overall cybersecurity posture.
Other:
EAV0010 When adversaries interact with network or system resources, they are vulnerable to triggering tripwires or engaging in easily detectable, anomalous behavior.