Browser Helper Object: Difference between revisions

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== Concerns ==
The BHO [[application programming interface|API]] exposes [[hooking|hook]]s that allow the BHO to access the [[Document Object Model]] (DOM) of the current page and to control navigation. Because BHOs have unrestricted access to the Internet Explorer event model, some forms of [[malware]] have also been created as BHOs.<ref>{{Cite web|title=Browser Hijack Objects (BHOs)|url=https://blog.malwarebytes.com/threats/browser-hijack-objects-bhos/|access-date=2021-12-05|website=Malwarebytes Labs|language=en-US}}</ref>.
 
For example, the [[Download.ject]] malware is a BHO that is activated when a secure [[HTTP]] connection is made to a financial institution, then begins to [[keystroke logging|record keystrokes]] for the purpose of capturing user passwords. The [[MyWay Searchbar]] tracks users' browsing patterns and passes the information it records to third parties. The [[C2.LOP]] malware adds links and popups of its own to web pages in order to drive users to [[pay-per-click]] websites.{{cn|date=May 2021}}