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CybercrimeFinancialIntermediate sophistication

Big Star Labs

Big Star Labs is a cybercrime syndicate with a financial motive, tracked by Brandefense. It targets 3 sectors, including Technology and Manufacturing, in the United States and the United Kingdom. It uses 7 MITRE ATT&CK techniques.

Techniques
7
Exploited CVEs
No CVE data
Record updated

Who They Target.

About Big Star Labs.

An entity and extension developer previously implicated in 2018 data exfiltration operations, responsible for distributing spyware-laden extensions including Poper Blocker, BlockSite, and CrxMouse.

Last updated Sep 28, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.