Remember the term "Gray Zone tactics"

Iran Is Using Russian ‘Gray Zone’ Tactics, in Echoes of Ukraine War

Iran has turned to gray zone tactics to offset its own inferiority to the U.S. in terms of conventional military power.

It all boils down to not wearing uniforms. Funny that  is all it takes  these days to be stealthy these days. That and turning around and saying "All those videos you have of us planting mines are fake."