We have written about MALWARE Bazaar before: a place where you can download malware samples without account or subscription.

If you need many samples, MALWARE Bazaar also publishes daily ZIP files:

Download daily malware batches

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MalwareBazaar creates daily batches of malware sample). The daily batches are created once a day at midnight (00:00 UTC). Please consider that it takes a few minutes to create the batch. So I kindly ask you to not fetch the daily batch before 00:15 UTC. The daily batches are available here:

• MalwareBazaar daily malware batches (ZIP password: infected)

Didier Stevens
Senior handler
Microsoft MVP
blog.DidierStevens.com