data exfiltration

  1. AA21-321A: Iranian Government-Sponsored APT Cyber Actors Exploiting Microsoft Exchange and Fortinet Vulnerabilities in Furtherance of Malicious Activi

    Original release date: November 17, 2021 Summary Actions to Take Today to Protect Against Iranian State-Sponsored Malicious Cyber Activity • Immediately patch software affected by the following vulnerabilities: CVE-2021-34473, 2018-13379, 2020-12812, and 2019-5591. • Implement Link Removed. •...
  2. AA21-259A: APT Actors Exploiting Newly Identified Vulnerability in ManageEngine ADSelfService Plus

    Original release date: September 16, 2021 Summary This Joint Cybersecurity Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework, Version 8. See the ATT&CK for Enterprise for referenced threat actor tactics and for techniques. This joint advisory is...
  3. AA21-200B: Chinese State-Sponsored Cyber Operations: Observed TTPs

    Original release date: July 19, 2021 Summary This advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework, Version 9, and MITRE D3FEND™ framework, version 0.9.2-BETA-3. See the ATT&CK for Enterprise for all referenced threat actor tactics and techniques...
  4. AA21-076A: TrickBot Malware

    Original release date: March 17, 2021 Summary This Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework. See the ATT&CK for Enterprise for all referenced threat actor tactics and techniques. The Cybersecurity and Infrastructure Security Agency...
  5. AA20-352A: Advanced Persistent Threat Compromise of Government Agencies, Critical Infrastructure, and Private Sector Organizations

    Original release date: December 17, 2020 Summary This Alert uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) version 8 framework. See the ATT&CK for Enterprise version 8 for all referenced threat actor tactics and techniques. The Cybersecurity and Infrastructure...
  6. AA20-336A: Advanced Persistent Threat Actors Targeting U.S. Think Tanks

    Original release date: December 1, 2020<br/><h3>Summary</h3><p class="tip-intro" style="font-size: 15px;"><em>This Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&amp;CK®) framework. See the <a href="Techniques - Enterprise | MITRE ATT&CK®">ATT&amp;CK for...
  7. AA20-304A: Iranian Advanced Persistent Threat Actor Identified Obtaining Voter Registration Data

    Original release date: October 30, 2020 Summary This advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) version 7 framework. See the ATT&CK for Enterprise version 7 for all referenced threat actor tactics and techniques. This joint cybersecurity advisory...
  8. AA20-301A: North Korean Advanced Persistent Threat Focus: Kimsuky

    Original release date: October 27, 2020 Summary This advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) version 7 framework. See the ATT&CK for Enterprise version 7 for all referenced threat actor tactics and techniques. This joint cybersecurity advisory...
  9. AA20-296A: Russian State-Sponsored Advanced Persistent Threat Actor Compromises U.S. Government Targets

    Original release date: October 22, 2020 Summary This joint cybersecurity advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework. See the ATT&CK for Enterprise framework for all referenced threat actor tactics and techniques This joint cybersecurity...
  10. AA20-280A: Emotet Malware

    Original release date: October 6, 2020 Summary This Alert uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework. See the ATT&CK for Enterprise framework for all referenced threat actor techniques. This product was written by the Cybersecurity and...
  11. AA20-259A: Iran-Based Threat Actor Exploits VPN Vulnerabilities

    Original release date: September 15, 2020 Summary This Alert uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework. See the ATT&CK for Enterprise framework for all referenced threat actor techniques. This product was written by the Cybersecurity and...
  12. AA20-245A: Technical Approaches to Uncovering and Remediating Malicious Activity

    Original release date: September 1, 2020 Summary This joint advisory is the result of a collaborative research effort by the cybersecurity authorities of five nations: Australia,[Link Removed] Canada,[2] New Zealand,[3][4] the United Kingdom,[5] and the United States.[Link Removed] It...
  13. AA20-227A: Phishing Emails Used to Deploy KONNI Malware

    Original release date: August 14, 2020 Summary This Alert uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework. See the ATT&CK for Enterprise framework for all referenced threat actor techniques. The Cybersecurity and Infrastructure Security Agency (CISA)...
  14. AA20-206A: Threat Actor Exploitation of F5 BIG-IP CVE-2020-5902

    Original release date: July 24, 2020 Summary The Cybersecurity and Infrastructure Security Agency (CISA) is issuing this alert in response to recently disclosed exploits that target F5 BIG-IP devices that are vulnerable to CVE-2020-5902. F5 Networks, Inc. (F5) released a patch for CVE-2020-5902...
  15. AA20-183A: Defending Against Malicious Cyber Activity Originating from Tor

    Original release date: July 1, 2020 Summary This advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) and Pre-ATT&CK framework. See the ATT&CK for Enterprise and Pre-ATT&CK frameworks for referenced threat actor techniques. This advisory—written by the...
  16. AA20-107A: Continued Threat Actor Exploitation Post Pulse Secure VPN Patching

    Original release date: April 16, 2020 Summary Note: This Activity Alert uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework. See the ATT&CK for Enterprise framework for all referenced threat actor techniques and mitigations. This Alert provides an update...
  17. TA18-086A: Brute Force Attacks Conducted by Cyber Actors

    Original release date: March 27, 2018 Systems Affected Networked systems Overview According to information derived from FBI investigations, malicious cyber actors are increasingly using a style of brute force attack known as password spraying against organizations in the United States and...
  18. TA17-164A: HIDDEN COBRA – North Korea’s DDoS Botnet Infrastructure

    Original release date: June 13, 2017 Systems Affected Networked Systems Overview This joint Technical Alert (TA) is the result of analytic efforts between the Department of Homeland Security (DHS) and the Federal Bureau of Investigation (FBI). This alert provides technical details on the...
  19. TA15-314A: Web Shells – Threat Awareness and Guidance

    Original release date: November 10, 2015 Systems Affected Web servers that allow web shells Overview This alert describes the frequent use of web shells as an exploitation vector. Web shells can be used to obtain unauthorized access and can lead to wider network compromise. This alert...
  20. Windows 7 Extracting USB Artifacts from Windows 7

    Link Removed - Invalid URL USBDeview - View all installed/connected USB devices on your systemView any installed/connected USB device on your system Link Removed The article discusses some of the artifacts that a USB storage device leaves on a system when it has been plugged in, how...