BUSHWALK (44ed9567-2cb6-590e-b332-154557fb93f9)
BUSHWALK is a web shell written in Perl that was inserted into the legitimate querymanifest.cgi file on compromised Ivanti Connect Secure VPNs during Cutting Edge.[Mandiant Cutting Edge Part 2 January 2024][Mandiant Cutting Edge Part 3 February 2024]