← Ethereum Transit Authority

CROPS Lab run 20260924-214322-bridge-metamask-localnode

A throwaway macOS VM ran the real wallet; every byte was captured and decrypted from the host, outside the guest. The full request log (flows.jsonl) holds decrypted bodies and stays private — tooling at github.com/austintgriffith/crops-lab.

meta.txt

run_id: 20260924-214322-bridge-metamask-localnode
action: bridge-metamask-localnode
guest_ip: 192.168.64.14
host_proxy: 192.168.64.1:8080
base_image: crops-warm
action_rc: 0
gold_baked_at: 2026-08-21T02:54:20Z
gold_base: ghcr.io/cirruslabs/macos-tahoe-base:latest
gold_base_row: OCI    ghcr.io/cirruslabs/macos-tahoe-base:latest                                                                  50   33   1 hour ago   stopped
gold_macos: 26.6.2 (25G83)
gold_chrome: Google Chrome 151.0.7922.174 
gold_node: v26.7.0
gold_playwright: 1.62.1
gold_quic_allowed: 0

driver.log

[t=1790307866.076] rpc-edit: start -> http://192.168.68.54:8545 (then bridge-metamask)
[t=1790307866.275]   rpc open-networks: clicked
[t=1790307867.273]   rpc manage-networks: clicked
[t=1790307869.743]   rpc eth-options: clicked
[t=1790307870.737]   rpc edit: clicked
[t=1790307871.691]   rpc rpc-dropdown: clicked
[t=1790307872.677]   rpc add-rpc: clicked
[t=1790307875.183]   rpc add-url: clicked
[t=1790307876.136]   rpc save: clicked
[t=1790307882.528] rpc-edit: done — browser restarted; everything after this is on http://192.168.68.54:8545
bridge-metamask: ext canglmpflkjehkfaioejbblmakepelcl · bridge 0.002 ETH ->  Base · broadcast false
  fill unlock-pw: unlock-password
  click unlock: unlock-submit
  click open-swap: text:Swap
  fill from-amount: input[placeholder="0"]
  skip open-dest-picker (not present)
  open-dest-picker: clicked dest chip by position
  click open-network-filter: text:All networks
  pick-network (exact): Base true
  pick-dest-token: Ether row
bridge-metamask: DRY run — reached the quoted bridge screen, NOT broadcasting (BRIDGE_BROADCAST=1 to submit)

summary.md

# capture 20260924-214322-bridge-metamask-localnode

action: bridge-metamask-localnode · guest 192.168.64.14 · proxy 192.168.64.1:8080 · action_rc 0

## decrypted: 371 requests · 55 hosts

| host | req | methods | secret headers present |
|---|---:|---|---|
| tron-mainnet.infura.io | 60 | GET/OPTIONS/POST | — |
| sentry.io | 35 | POST | — |
| static.cx.metamask.io | 33 | GET | — |
| solana-mainnet.infura.io | 18 | GET/OPTIONS/POST | — |
| 192.168.68.54 | 17 | POST | — |
| bitcoin-mainnet.infura.io | 15 | GET | — |
| user-storage.api.cx.metamask.io | 12 | GET | authorization |
| price.api.cx.metamask.io | 12 | GET | authorization |
| accounts.api.cx.metamask.io | 9 | GET | authorization |
| api.segment.io | 9 | POST | — |
| metamask.github.io | 7 | GET | — |
| monad-mainnet.infura.io | 6 | POST | — |
| authentication.api.cx.metamask.io | 6 | GET/POST/PUT | authorization |
| subscription.api.cx.metamask.io | 6 | GET | authorization |
| android.clients.google.com | 6 | POST | authorization |
| mainnet.infura.io | 5 | POST | — |
| bridge.api.cx.metamask.io | 5 | GET/POST | authorization |
| tokens.api.cx.metamask.io | 5 | GET | authorization |
| cma.itunes.apple.com | 5 | POST | — |
| token.api.cx.metamask.io | 4 | GET | — |
| on-ramp-cache.api.cx.metamask.io | 4 | GET | — |
| api.merkl.xyz | 4 | GET | — |
| bsc-mainnet.infura.io | 4 | POST | — |
| polygon-mainnet.infura.io | 4 | POST | — |
| linea-mainnet.infura.io | 4 | POST | — |
| base-mainnet.infura.io | 4 | POST | — |
| optimism-mainnet.infura.io | 4 | POST | — |
| arbitrum-mainnet.infura.io | 4 | POST | — |
| carrot.megaeth.com | 4 | POST | cookie |
| testnet-rpc.monad.xyz | 4 | POST | — |
| sepolia.infura.io | 4 | POST | — |
| linea-sepolia.infura.io | 4 | POST | — |
| notification.api.cx.metamask.io | 4 | POST | authorization |
| pancake.apple.com | 4 | GET | — |
| gas.api.cx.metamask.io | 4 | GET | — |
| www.google.com | 3 | GET | — |
| client-config.api.cx.metamask.io | 3 | GET | — |
| cdn.contentful.com | 3 | GET | — |
| bag.itunes.apple.com | 3 | GET | — |
| accounts.google.com | 2 | POST | — |
| geolocation.api.cx.metamask.io | 2 | GET | — |
| phishing-detection.api.cx.metamask.io | 2 | GET | — |
| acl.execution.metamask.io | 2 | GET | — |
| images.ctfassets.net | 2 | GET | — |
| gateway.api.cx.metamask.io | 2 | GET | cookie |
| nft.api.cx.metamask.io | 2 | GET | — |
| tx-sentinel-ethereum-mainnet.api.cx.metamask.io | 2 | GET | authorization |
| example.com | 1 | GET | — |
| clients2.google.com | 1 | GET | — |
| chainid.network | 1 | GET | — |
| client-side-detection.api.cx.metamask.io | 1 | GET | — |
| rewards.api.cx.metamask.io | 1 | POST | — |
| defiadapters.api.cx.metamask.io | 1 | GET | — |
| oidc.api.cx.metamask.io | 1 | POST | — |
| device-config.pcms.apple.com | 1 | GET | — |

## opaque: 0 SNIs offered, never decrypted (pinned or handshake failed)

- none

## wire: 5704 proxied pkts · 4 BYPASS dst · 1 QUIC dst · 716 Apple-OS pkts

BYPASS/QUIC below exclude Apple 17.0.0.0/8 (macOS push/OCSP/update — not the browser under test).

### BYPASS — guest spoke TLS to these directly, not through the proxy
- 23.14.140.152 (no DNS seen) · 79 pkts
- 23.47.200.181 (?) · 48 pkts
- 23.37.97.92 (?) · 20 pkts
- 23.64.99.186 (no DNS seen) · 2 pkts

### QUIC LEAK — udp/443 left the guest
- 199.232.67.6 (no DNS seen) · 59 pkts

### other egress (non-443, non-DNS)
- 192.168.64.255:137 (no DNS seen) · 18 pkts
- 23.11.33.159:80 (no DNS seen) · 14 pkts
- 172.64.149.23:80 (no DNS seen) · 4 pkts
- 224.0.0.251:5353 (no DNS seen) · 2 pkts