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Construction Firms Targeted in Brute Force Assaults on Accounting Software

 

Unidentified hackers have targeted construction firms using Foundation accounting software, security experts revealed earlier this week. 

According to cybersecurity firm Huntress, the hackers hunt for publicly available Foundation installations on the internet and then test combinations of default usernames and passwords that allow for administrative access.

Huntress claimed it has detected active software breaches from organisations in the plumbing, concrete, and heating, ventilation, and air conditioning (HVAC) industries. The researchers did not specify whether the attacks were effective or what their purpose was. 

Foundation Software, the platform's Ohio-based developer, stated that it was working with Huntress to clarify some of the report's information. 

“The event potentially impacted a small subset of on-premise FOUNDATION users. It did not at all impact the bulk of our accounting users, which are under our secure, cloud-based [software-as-a-service] offering. It also did not impact our internal systems or any of our other product offerings through our subsidiary companies,” Foundation stated. 

The Huntress analysts stated they noticed the malicious behaviour targeting Foundation last week. On one host, the researchers discovered approximately 35,000 brute-force login attempts against the Microsoft SQL Server (MSSQL) used by the organisation to manage its database operations. 

Typically, such databases are kept secret and secure behind a firewall or virtual private network (VPN), but Foundation "features connectivity and access by a mobile app," researchers noted. This means that a specific TCP port, which is designed to regulate and identify network traffic on a computer, may be made open to the public, allowing direct access to the Microsoft SQL database. 

According to the report, Foundation users often used default, easy-to-guess passwords to protect high-privilege database accounts.

“As a result of not following recommendations and security best practices that were provided (one example being not resetting the default credentials), this small subset of on-premise users might face possible vulnerabilities,” Foundation noted. “We have been communicating and providing technical support to these users to mitigate this.” 

Huntress stated it detected 500 hosts running the Foundation software, and nearly 33 of them were publicly exposed with unchanged default credentials. 

“In addition to notifying those where we saw suspicious activity, we also sent out a precautionary advisory notification to any of our customers and partners who have the FOUNDATION software in their environment,” Huntress concluded.