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Monero Network Scan Interesting Results (monero.town)

submitted 2 weeks ago* (last edited 2 weeks ago) by [email protected] to c/[email protected]

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Created a script to get the connections every time a new node connected. Everything looked normal in the peer list until I saw many nodes from:

100.42.27.* (around 200 peers)

193.142.59.* (around 200 peers)

199.116.84.* (around 100 peers)

209.222.252.* (around 150 peers)

91.198.115.* (around 150 peers)

The 100.42.27., 199.116.84., 209.222.252., and 91.198.115. all belong to "Lionlink Networks".

These are around 600 nodes that are under that ISP and account for 20-30% of all nodes seen from a 3 day survey span.

This looks suspicious to me and the massive amounts of nodes raises many red flags and does not look natural at all.

~~If these were malicious, in concept, with the 13 default IN/OUT peers, if all connected are malicious, the innocent one would have no other data to compare it to~~.

(Edit: Updated Theory: having many nodes has the ability trace transactions and block miners easier based on timing attack)

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[–] [email protected] 4 points 2 weeks ago (1 children)

Interesting observation, would it be difficult to detect such anomalies automatically?

[–] [email protected] 3 points 2 weeks ago

The attacker can just be smarter and use various ASNs + out-proxies for their backend.

My background is small-world network in distributed systems and anti-censorship software like Hyphanet. If the goal is to evict/lessen the purview of the metadata harvesting nodes then some version of web-of-trust + proof of work could be implemented.