He hit Enter.
Look for anomalous IP addresses, base64 encoded strings, or timestamps outside normal operation hours. ls filedot 2021
When combined, most likely refers to a forensic analysis scenario where investigators used the ls command to detect remnants of the FileDot malware that was active in 2021. He hit Enter
find . -name "*filedot*" -type f -printf '%T@ %p\n' | grep '2021' base64 encoded strings