Malleability counter attack : Malleate to LowS instead of dropping HighS

[Nicolas Dorier]

Craft a redeem script "<DerHighS> OP_EQUALVERIFY", spend it. The mutator will create an invalid transaction which will ban him from the network. Now, you look in your banlist and collect the IP.

For information, my node which is currently malleating HighS to LowS detects around 2 and 4% of HighS signatures.

What if the inner p2sh (redeem) script is the

OP_2DUP OP_EQUAL OP_IF OP_RETURN OP_ENDIF OP_2 <pubkey> <samepubkey> OP_2 OP_CHECKMULTISIG

and the scriptSig is
OP_0 <signature> <malledsignature> <redeemScript>

It would kick my bot !

For information, my node which is currently malleating HighS to LowS detects around 2 and 4% of HighS signatures.

I started to track the numbers earlier the day, and I currently see about 3.5 %.

It would be interesting to know at which percentage the mutated transactions are mined. Did you gather some stats about this already?

Recently, these are the mutations I've seen: http://bitwatch.co/uploads/mutations-2015-10-18.log (not 100 % online)

I just ran again my mutator, the stat I gather is only the % of mutated and show it every 1000 tx. Boring stuff except when a bot go rampage and mutate 30% of them.

[amaclin]

It would kick my bot !

I think we have invented new game similar to https://en.wikipedia.org/wiki/Core_War  

ALIEN VS. PREDATOR Mutator vs Malleator. See on every cinema bitcoin client in November '15

[dexX7]

Just as quick update, the mutation rate over the last 1373396 transactions (about 8 days) for me was 0.9899 %.

[Nicolas Dorier]

Just as quick update, the mutation rate over the last 1373396 transactions (about 8 days) for me was 0.9899 %.

I know that coinprism (Open Asset, colored coin wallet) is using an old version of bitcoinjs which create HighS, but now they fix it on the backend to LowS.
I don't think open asset account for a lot, but the malleability attack pushed services to update.