Kaseya VSA Supply-Chain Ransomware Attack

After #printnightmare Another High Alert for Security Community and administrators. No weekend or holidays for #cybersecurity .

#Kaseya VSA Supply-Chain #Ransomware Attack by ransomware group REvil is exploiting vulnerable instances of Kaseya VSA globally. 

Kaseya VSA is a platform that provides endpoint management and network monitoring. Anyone who is currently using or has a MSP that is running #Kaseya software has potentially been compromised! 

Once inside the supplier’s system, attackers use it as a jumping off point to access its customers’ networks too. Then they install ransomware, which locks up victims’ data, only releasing it once a ransom payment has been made.

It is recommend organisations follow the advice provided by Kaseya, to immediately #shutdown your Kaseya server until further notice. 

So far 200 US company affected and one of Sweden's biggest grocery chains, closed all of its 800 stores today after this attack as they were unable to operate its cash registers.

Technical Details: Kaseya supply chain attack Indicators of Compromise (IOCs)

HASHES (SHA256) d55f983c994caa160ec63a59f6b4250fe67fb3e8c43a388aec60a4a6978e9f1e e

2a24ab94f865caeacdf2c3ad015f31f23008ac6db8312c2cbfb32e4a5466ea2 8

dd620d9aeb35960bb766458c8890ede987c33d239cf730f93fe49d90ae759dd 

More info available here: https://lnkd.in/gJ5hfD2 S

someone rightly said Cybercriminals are awful for a whole bunch of reasons, but especially for ruining long weekends and holidays for IT professionals over and over again. Be nice to your IT team. They're the ones working through the nights and weekends to protect you from these scum. 

 #ThreatHunting #IOC #REvil #KaseyaVSA #KaseyaHacked #KaseyaVSA #MSP

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Print Spooler vulnerability PrintNightmare

A remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations. 

An attacker who successfully exploited this vulnerability could run arbitrary code with SYSTEM privileges. Attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

 Due to the possibility for exposure, domain controllers and Active Directory admin systems need to have the #Print #spooler service disabled. Do It now and save yourself from Print spooler vulnerability CVE-2021-34527 #printnightmare

see the flowchart to determine if you required to disable print spooler now

If disabling the Print Spooler service is appropriate for your organisation you can do the following way.

1. The recommended way to do this is using a Group Policy Object via

Computer Configuration > Administrative Templates > Printers >>

Disable the “Allow Print Spooler to accept client connections:” policy to block remote attacks 

 2. You can also use the following PowerShell commands:

 Stop-Service -Name Spooler -Force 

 Set-Service -Name Spooler -StartupType Disabled

 Good Luck. 

 #windows #printer #printnightmare

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