KALI LINUX TROUBLESHOOT ERROR SIMPLE/FAST

Hello freelancers, I am here posting a project regarding some help that I need in kali linux regarding metasploit all my backdoor exe files are currently getting detected by windows and I would like to know how to get them to be undetectable, this is for upcoming certifications thanks! I am looking for someone who has good and extensive experience in this field who can help me right away without wasting anytime please feel free to send me a message I answer right away! I am looking forward to speaking with you!!