SafeStarship Honeypot

Reported loss Not disclosed
BNB Chain
Honeypot

What happened

De.Fi's REKT database lists SafeStarship (SAFESTARSHIP, BNB Smart Chain, contract 0x24eeede5…eb0d82) as an exit scam/honeypot, stating that the contract owner could disable the transfer function, which restricted users in selling their tokens. In the verified source, every transfer and transferFrom runs through a burnTokenCheck modifier. For an ordinary holder who the owner has not whitelisted, a transfer to any address other than the hard-coded _unirouter or the owner reverts with a message that reads like a balance error.

The owner can also whitelist or blacklist holders, change the exempt _safeOwner address, and mint new supply to itself. The code shows what the owner can do; this draft cites no transaction showing which of these powers were used.

How it happened

  1. The constructor stores the owner argument as both _owner and _safeOwner and calls _mint(_owner, initialSupply*(10**18)). _mint requires msg.sender == _owner, so the deployment can only succeed if owner is the deployer, 0xf9c6e351…c6790E. No function in the contract reassigns _owner.
  2. transfer and transferFrom both call _approveCheck(sender, recipient, amount), which is declared with the burnTokenCheck(sender,recipient,amount) modifier. The balance is only debited inside the modifier body, so a revert leaves the holder's balance untouched.
  3. Privileged paths pass. While _owner == _safeOwner, any transfer sent by the owner passes and resets _safeOwner to the recipient (if (_owner == _safeOwner && sender == _owner){_safeOwner = recipient;_;}). After that, if (sender == _owner || sender == _safeOwner || recipient == _owner) lets the owner, the _safeOwner address, and anyone sending to the owner through. An owner-to-owner transfer in that branch sets _sellAmount = amount.
  4. Whitelisted senders pass unconditionally (if (_whiteAddress[sender] == true){ _; }).
  5. Every other holder hits one of two paths. A blacklisted sender, or an unlisted sender whose amount is not below _sellAmount, must satisfy require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance"). Because _sellAmount starts at 0, amount < _sellAmount is false for every amount until the owner sets it, so such a holder can only send to _unirouter (or to the owner, handled in step 3). A transfer to any other address, including a trading pair, reverts. When amount < _sellAmount does hold, the transfer passes, and if recipient == _safeOwner the sender is added to _blackAddress.
  6. The owner-only functions control who falls into which group. increaseAllowance(address[]) whitelists and un-blacklists, addApprove(address[]) blacklists and un-whitelists, decreaseAllowance(address safeOwner) replaces _safeOwner, and multiTransfer whitelists the first approvecount receivers and approves _unirouter for the maximum amount. The names suggest allowance helpers; the bodies do not do that.
  7. _mint is public and owner-only. It adds amount to _totalSupply and credits _balances[_owner], so the owner can create supply at any time.
  8. What happened: De.Fi's REKT database lists the token as an exit scam/honeypot where holders were restricted from selling. The proof link could not be opened, and no transaction is cited here for a blacklist entry, a mint, or a liquidity removal.

Protocol details

Classification Token
Protocol Type Exit Scam/Honeypot
Affected asset / contract SAFESTARSHIP

Evidence

Same attack technique

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