North Korean ships to Russia

Russia ships to domestic and regional arms dealers

Arms dealers smuggle their weapons into Palestine

Turkey, Syria, and Egypt are all next to Israel. There are people there who have sympathies with Palestine but not Russia/NK, or with both Palestine and Russia/NK, or with none of them and want a paycheck. The underworld is full of strange bedfellows. The CIA and MI5/6 were once filled with communists.

There are also reports that some IDF units have been smuggling weapons to Hamas as well. If you’re lucky to turn a border guard or someone else critical to the supply chain, you can pass through undetected.