outguess(1) on Linux
The text 1d0c167c0c7d, as Debian 11 (Bullseye), Debian 10 (Buster) shipped it.
universal steganographic tool
Flags it lists
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-F -
-dD -
-eE -
-iI -
-kK -
-m -
-p -
-r -
-sS -
-t -
-x