====== How to defend ourselves? ====== We can use MITRE Att&ck framework to asses defensive capability across your security architecture. The MITRE ATT&K® framework helps provide context to the Sunburst campaign. The following represent known tactics and techniques: * Query Registry [T1012] * Obfuscated Files or Information [1027] * Obfuscated Files or Information: Steganography [T1027.003] * Process Discovery [T1057] * Indicator Removal on Host: File Deletion [T1070.004] * Application Layer Protocol: Web Protocols [T1071.001] * Application Layer Protocol: DNS [T1071.004] * File and Directory Discovery [T1083] * Ingress Tool Transfer [T1105] * Data Encoding: Standard Encoding [T1132.001] * Supply Chain Compromise: Compromise Software Dependencies and Development Tools [ [T1195.001] * Supply Chain Compromise: Compromise Software Supply Chain [T1195.002] * Software Discovery [T1518] * Software Discovery: Security Software Discovery [T1518.001] * Create or Modify System Process: Windows Service [T1543.003] * Subvert Trust Controls: Code Signing [T1553.002] * Dynamic Resolution: Domain Generation Algorithms [T1568.002] * System Services: Service Execution [T1569.002] * Compromise Infrastructure [T1584] ====== Mitigation steps ====== * Implementing multi factor authentication. * Monitoring all services for any changes in tokens or keys and for malicious activities. * Re-evaluating API key integrations, SAML integrations and website configuration files. * Review all system and security policies. * Resetting user credentials. * Consider security auditing. ====== Links to get started ====== [[https://github.com/fireeye/sunburst_countermeasures|FireEye counter measures]] [[https://github.com/bambenek/research/blob/main/sunburst/uniq-hostnames.txt|Sunburst unique Hostnames]] [[https://blog.securityonion.net/2020/12/solarwinds-supply-chain-attack.html|Security onion blog]] [[https://www.solarwinds.com/securityadvisory|Solarwinds Security Advisory]] [[https://socprime.com/blog/sunburst-backdoor-detection-solarwinds-supply-chain-attack-on-fireeye-and-us-agencies/|SOC prime]] [[https://www.compassitc.com/blog/solarwinds-sunburst-hack-and-you-thought-2020-couldnt-get-any-worse|Compass ITC]]