匪 is a Chinese hanzi, listed here under the keyword “bandits”. It is built from 匚 (box) and 非 (not). It appears as a component in 2 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “box” + “not”. 匪 is among the results, together with every other character containing the same shapes.
Open 匪 in the interactive kanji search
to expand every part down to its smallest pieces, add your own names and mnemonic stories,
or search for other characters by their parts.