The hackers group named The Shadow Brokers claims to have penetrated an NSA-backed hacking operation.
NSAs Hacking Group Hacked!
According to Shadow Brokers, they have hacked Equation Group and they are holding many Equation Groups cyber weapons.

Equation Group which is a cyber attack group widely believed to be associated with NSA.
This is the part of a message posted by Hackers in Github (deleted) and Tumblr.
They are deleted, but it’s possible for you to have a look at the cached version here.

How much you pay for enemies cyber weapons?
Not malware you find in networks.
We find cyber weapons made by creators of stuxnet, duqu, flame.

Kaspersky calls Equation Group.
We follow Equation Group traffic.
We find Equation Group source range.
We hack Equation Group.
We find many many Equation Group cyber weapons.
We give you some Equation Group files free, you see.
This is good proof no?
You enjoy!!!
You break many things.
You find many intrusions.
You write many words.
But not all, we are auctioning the best files.
It is really hard to believe.
According to the FAQ, they posted with their dump they seem thirsty for bitcoin.
FAQ
Q: Why I want auction files, why send bitcoin?
A: If you like free files (proof), you send bitcoin.
If you want to know your networks hacked, you send bitcoin.
If you want hack networks as like equation group, you send bitcoin.
If want to know what we take, you send bitcoin.
Q: What if bid and no win, get bitcoins back?
A: Sorry lose bidding war lose bitcoin and files.
But maybe not a total loss.
Instead to losers we give consolation prize.
Q: Why I trust you?
A: No trust, risk.
You like the reward, you take the risk, maybe win, maybe not, no guarantees.
There could be hack, steal, jail, dead, or war tomorrow.
You worry more, protect self from other bidders, trolls, and haters.