A terrorist front organization is created to conceal activities or provide logistical or financial support to the illegal activities. "Import-export" companies are favorite front organizations for terrorist groups. This is a limited list of groups that have been accused of being terroist fronts:
Al Barakaat, an international money wiring organization accused of funding Al-Qaida
For many terrorist organizations there are legitimate political parties which share the majority of the terrorist's views. These parties either adopt the position of refusing to condemn terrorist attacks or condemning the attacks but acknowledging a people's rights to defend themselves. Aside from the political support they offer terrorists, many of these parties are accused of giving either financial or operational support. Any support they may give is very carefully hidden so as to remain a legitimate party under a state's law.
As far as the Times’ readers are concerned, the free pass given to one of the most controversial and dangerous organizations in America continues unfettered.
One organization that has appeared to rise out of the ashes of the HLFRD is Kinder USA."...
The terrorists were members of a number of underground "resistance" organizations attempting to punish the Allied "occupiers" and drive them out.