- Domain Controllers
- File Servers
- Email Servers
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 information on Russian government actions targeting U.S. Government entities as well as organizations in the energy, nuclear, commercial facilities, water, aviation, and critical manufacturing sectors. It also contains indicators of compromise (IOCs) and technical details on the tactics, techniques, and procedures (TTPs) used by Russian government cyber actors on compromised victim networks. DHS and FBI produced this alert to educate network defenders to enhance their ability to identify and reduce exposure to malicious activity.
DHS and FBI characterize this activity as a multi-stage intrusion campaign by Russian government cyber actors who targeted small commercial facilities’ networks where they staged malware, conducted spear phishing, and gained remote access into energy sector networks. After obtaining access, the Russian government cyber actors conducted network reconnaissance, moved laterally, and collected information pertaining to Industrial Control Systems (ICS).
For a downloadable copy of IOC packages and associated files, see:
Contact DHS or law enforcement immediately to report an intrusion and to request incident response resources or technical assistance. Please click on the link below for the full article.
Cisco has released security updates to address vulnerabilities affecting multiple products. An attacker could exploit one of these vulnerabilities to take control of an affected system.
NCCIC/US-CERT encourages users and administrators to review the following Cisco Security Advisories and apply the necessary updates:
US-CERT has received multiple reports of ransomware infections in several countries around the world. Ransomware is a type of malicious software that infects a computer and restricts users’ access to it until a ransom is paid to unlock it. Individuals and organizations are discouraged from paying the ransom, as this does not guarantee access will be restored.
Users and administrators are encouraged to review the US-CERT Alert TA16-091A to learn how to best protect against ransomware. Please report any ransomware incidents to the Internet Crime Complaint Center (IC3).
Adobe has released security updates to address vulnerabilities in Adobe Flash Player and Adobe Experience Manager Forms. Exploitation of one of these vulnerabilities may allow a remote attacker to take control of an affected system.
Users and administrators are encouraged to review Adobe Security Bulletins APSB17-15 (link is external) and APSB17-16 (link is external) and apply the necessary updates.
Cisco has released security updates to address vulnerabilities in its IOS and IOS XE Software. A remote attacker could exploit one of these vulnerabilities to take control of an affected system.
Users and administrators are encouraged to review the Cisco Security Advisory (link is external) and apply the necessary updates.
The Federal Trade Commission (FTC) has released an announcement about its new website devoted to protecting small businesses. This resource aims to help business owners avoid scams, protect their computers and networks, and keep their customers’ and employees’ data safe.
Business owners and other interested parties are encouraged to explore the new FTC website and review US-CERT resources for small and midsize businesses.