Skip to content
Microsoft Secure

Hunting down Dofoil with Windows Defender ATP

Dofoil is a sophisticated threat that attempted to install coin miner malware on hundreds of thousands of computers in March, 2018. In previous blog posts we detailed how behavior monitoring and machine learning in Windows Defender AV protected customers from a massive Dofoil outbreak that we traced back to a software update poisoning campaign several...

Read more

Behavior monitoring combined with machine learning spoils a massive Dofoil coin mining campaign

Update: Further analysis of this campaign points to a poisoned update for a peer-to-peer (P2P) application. For more information, read Poisoned peer-to-peer app kicked off Dofoil coin miner outbreak. To detect and respond to Dofoil in corporate networks, read Hunting down Dofoil with Windows Defender ATP. Just before noon on March 6 (PST), Windows Defender...

Read more

Detecting stealthier cross-process injection techniques with Windows Defender ATP: Process hollowing and atom bombing

Advanced cyberattacks emphasize stealth and persistence: the longer they stay under the radar, the more they can move laterally, exfiltrate data, and cause damage. To avoid detection, attackers are increasingly turning to cross-process injection. Cross-process injection gives attackers the ability to run malicious code that masquerades as legitimate programs. With code injection, attackers don’t have...

Read more