سورة Al-Jinn 72:9

وَأَنَّا كُنَّا نَقْعُدُ مِنْهَا مَقَـٰعِدَ لِلسَّمْعِ ۖ فَمَن يَسْتَمِعِ ٱلْـَٔانَ يَجِدْ لَهُۥ شِهَابًۭا رَّصَدًۭا ٩

We used to take up positions there for eavesdropping, but whoever dares eavesdrop now will find a flare lying in wait for them