blockchainPromedium

[Blackbox] Web3_Lending

caplag

Task: DeFi lending platform on Anvil devnet with AMM, LendingVault, and FlashLoanProvider contracts. Solution: Reverse engineered EVM bytecode to extract flag from PUSH32 string literals; intended path was spot oracle price manipulation via flash loan attack.

blockchain web3 anvil evm_bytecode defi lending amm flash_loan oracle_manipulation spot_price

evm_bytecode_reverse_engineeringpush32_string_extractionspot_oracle_price_manipulationflash_loan_attackdefi_oracle_exploit

$ ls tags/ techniques/

blockchain web3 anvil evm_bytecode defi lending amm flash_loan oracle_manipulation spot_price

evm_bytecode_reverse_engineeringpush32_string_extractionspot_oracle_price_manipulationflash_loan_attackdefi_oracle_exploit

Analysis

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$ python3 exploit.py --target 192.168.1.1 --port 8080
[*] Connecting to target...
[+] Shell obtained!

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