Threat actors are exploiting the ConnectWise ScreenConnect installer to create signed remote access malware through a method called authenticode stuffing, which alters hidden settings in the software's digital signature. This has led to infections reported via phishing attacks that trick users into downloading malicious executables disguised as legitimate software. ConnectWise has since revoked the certificate used for these binaries, but the campaign highlights the risks of using modified enterprise tools.
malware ✓
+ phishing
remote-access ✓
connectwise ✓
authenticode-stuffing ✓