Fireeye threat intel

Threats

16.04.2025
0 2

UNC2447 SOMBRAT and FIVEHANDS Ransomware: A Sophisticated Financial Threat

Mandiant has observed an aggressive financially motivated group, UNC2447, exploiting one SonicWall VPN zero-day vulnerability prior to a patch being…
Threats

16.04.2025
0 1

Abusing Replication: Stealing AD FS Secrets Over the Network

Organizations are increasingly adopting cloud-based services such as Microsoft 365 to host applications and data. Sophisticated threat actors are catching…
Threats

13.04.2025
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Ghostwriter Update: Cyber Espionage Group UNC1151 Likely Conducts Ghostwriter Influence Activity

In July 2020, Mandiant Threat Intelligence released a public report detailing an ongoing influence campaign we named “Ghostwriter.” Ghostwriter is…
Threats

13.04.2025
0 1

Zero-Day Exploits in SonicWall Email Security Lead to Enterprise Compromise

In March 2021, Mandiant Managed Defense identified three zero-day vulnerabilities in SonicWall’s Email Security (ES) product that were being exploited…