What would happen if the Hanukkah story took place today
In 168 BCE, the Seleucid king Antiochus Epiphanes IV set to quash Judaism among his subjects. Matthias the Kohein and his five sons fled to the hills and assembled a rag tag group of revolutionaries known as the Maccabees. The Maccabees fought the seemingly endless mercenary army until they reached Jerusalem and reclaimed the Temple Mount.
Three years to the day of Antiochus' rampage against the Jews, the Maccabees held the dedication. The Festival of Lights as we know it came from this celebration and when the tiny jar of oil managed to keep the menorah lit for eight days.
As a fun thought experiment,
and because I love AlternateHistoryHub, lets re-imagine and contextualize the Maccabean Revolt with today's weaponry, training, and armies. To keep the completely fictional and arbitrary scenario fair, Matthias the Kohein and his sons are the Shayetet 13 - the Israeli equivalent to the Navy SEALs. They serve as both instructors and fighters for the rest of the revolt: made up of IDF personnel — because being a "normal" civilian isn't exactly a thing in modern Israel.
The modern equivalent of the Seleucid Empire is a bit of a gray area. They hired many Syrian mercenaries, but they weren't exactly modern Syria. Though it spanned across Turkey to India, its culture, customs, and religions were Hellenic. Since Greece and Israel are allies in real life, this seems to help avoid any pitfalls.
As anyone who is aware of Israeli war history knows, Israel has a strong and constantly-tested military. While it has a 176,500 strong standing military, the number of fit military service troops is around 3,00,000. Their current defense budget if $18.6 billion annually and their Merkava main battle tanks are one of the most devastating in the world. All of that on top of a nuclear-triad option.
As for the Hellenic Armed Forces, their peacetime strength is around 113,500 troops with a total 4,000,000 fit for service troops. Their current defense spending budget is around $9.3 billion and they are the largest importer of conventional weapons in Europe and they have the highest G.D.P percentage towards military spending in the EU.
Just by pure numbers alone, Israel would take the fight. That's not even including the home-field advantage of an insurgency. Even if the Greeks were to hire entire mercenary companies to fight for them, an average mercenary company only has roughly 10k personnel and would eat most of their already dwarfed budget. In $366 billion dollar industry, the modern equivalent Seleucid Empire would just not have the funds to match the Maccabean Forces.
Just as they did over two thousand years ago, the Maccabees would reach the Temple Mount and rededicate it by lighting the golden menorah.