Axion Network Hack
What happened
The exploiter:
https://etherscan.io/address/0x8b1deff8…bdbb5b
The transaction behind the exploit:
https://etherscan.io/tx/0xc2a4a113…d089b4
The exploiter:
- funded himself through Tornado Cash mixer
https://etherscan.io/tx/0x86f5bd90…d9f563
- purchased around ~700k HEX2T tokens from the Uniswap exchange
https://etherscan.io/tx/0x6b34b75a…ab4d14
- created an “empty” stake on the Staking contract of the Axion Network by invoking the stake function with a 0 amount and 1-day stake duration:
https://etherscan.io/tx/0x5e5e09cb…70e878
- invoked the deposit function of the NativeSwap contract
https://etherscan.io/tx/0xf2f74137…fbf875
- managed to mint around ~80 billion AXN tokens by utilizing the unstake function of the Axion Staking contract
https://etherscan.io/tx/0xc2a4a113…d089b4
- sold tokens on the Uniswap
https://etherscan.io/tx/0x5e05ea9a…d714ca
- distributed stolen funds between external addresses
https://etherscan.io/tx/0xa2534bb9…b23956
https://etherscan.io/tx/0x98cd2e73…3d0143
https://etherscan.io/tx/0x8a65af76…b0215e
https://etherscan.io/tx/0xc6fa8993…cc1f50
- deposited funds into Tornado Cash mixer:
https://bloxy.info/txs/calls_from/0x8b1deff8…bdbb5b?signature_id=994162&smart_contract_address_bin=0x905b63ff…ec7601
- repeated several times.
Case & protocol details
Evidence & learning
Sources and on-chain records
- report Report twitter.com
- report Post-mortem medium.com
- report Report cointelegraph.com
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