New exploit allows attacker to spam the blockchain using fake sigOps (same guy as last time, new attack)

[BitcoinXio]

The same guy who did the last exploit attack on the network is at it again. You can read an interview he did with Motherboard here. He is now using a new exploit to fake sigOps to spam the network, and it's working. The conversation around this starts here on bitcointalk if you're interested: https://bitcointalk.org/index.php?topic ... sg13041324

The attack vector should be:
1) create and fund a big number of such p2sh-utxo
2) redeem them to OP_RETURN or to regular output

Each such transaction costs 0.00045 for dishonest attacker (can be even less)
88 transactions (attack one block) will cost only 0.0396 BTC
Daily attack 5.7024 BTC - not a big deal

Also, I posted this to /r/btc too if you want to see the discussion there.