Yes, the IRS can draw from your account without your prior authorization.
If your haven't already received a Letter 608C from the IRS, then you will be receiving one explaining the $25. If your payment to the IRS was to be for less than $1,250, then $25 is the penalty imposed by the IRS if your payment to the IRS was dishonored/rejected by your financial institution. If your payment was to be for more than $1,250, then the penalty is 2% of the amount of your payment.
See Tax Topic 206 - Dishonored Payments on the IRS website at:
https://www.irs.gov/taxtopics/tc206.html
