grokevt-findlogs(1) on Linux
The text 25f81354ef56, as Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny) shipped it.
Attempts to find log file fragments in raw binary files, such as memory dumps and disk images.