There is a robust underground, just not the one that we would want.
The Islamic State – Khorasan Province [a] (ISIS–K, IS–K, IS–KP) is a regional branch of the Salafi jihadist group Islamic State (IS) active in South-Central Asia, primarily Afghanistan and Pakistan. ISIS–K seeks to destabilize and replace current governments within the historic Khorasan region with the goal of establishing a caliphate across South and Central Asia, governed under a strict interpretation of Islamic sharia law, which they plan to expand beyond the region.