BianLian ransomware operations began in late 2021. The group practices multi-pronged extortion, demanding payment for a decryptor, as well as the non-release of stolen data. The ransomware group hosts a public, TOR-based, blog to post victim identities and stolen data. Somewhat unique to BianLian at the time of their launch was their inclusion of an I2P mirror for their blog.
Shifted to data exfiltration-only in 2023
Targets compromised RDP and VPN credentials
Uses PowerShell for reconnaissance
Exfiltrates data to cloud services
RDP for lateral movement