Check Point response to SolarWinds supply chain attack

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Technical Level

Solution ID	sk171000
Technical Level
Product	Anti-Bot, Anti-Virus, Threat Emulation, IPS
Version	All
Date Created	14-Dec-2020
Last Modified	12-Jan-2021

Symptoms

On December 13th FireEye disclosed that the breach into their systems (sk170918), was a result of a supply chain attack into the software provider SolarWinds.
Additional information can be found here:
- https://us-cert.cisa.gov/ncas/current-activity/2020/12/13/active-exploitation-solarwinds-software
- https://www.fireeye.com/blog/threat-research/2020/12/evasive-attacker-leverages-solarwinds-supply-chain-compromises-with-sunburst-backdoor.html

Solution

As a first step, it is recommended to reset the passwords of local SolarWinds users and follow all updates released from SolarWinds.

Relevant Snort\Yara rules have been published regarding the attack. Following analysis conducted on them and on the nature of the attack, Check Point covers this threat with the following Threat Prevention products:

Anti-Virus:

Trojan.Win32.SUNBURST.TC.XXX

Threat Emulation:

HackTool.Wins.FE_RT.A<XX>

HackTool.Wins.FE_RT.F

HackTool.Wins.FE_RT.G

Anti-Bot:

Backdoor.Win32.SUNBURST.XX

Backdoor.Win32.Beacon.<A-H>

IPS:

Sunburst Backdoor Suspicious Traffic

SolarWinds SUPERNOVA .NET Webshell Traffic

This solution has been verified for the specific scenario, described by the combination of Product, Version and Symptoms. It may not work in other scenarios.

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