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ps -eo pid,ppid,user,etimes,cmd --sort=-etimes | awk '$4 > 86400 && $3 != "root"' | head -25

linux · bash · Nightmare

Finds non-root processes that have been running for more than a day. Long-lived unexpected processes are a classic indicator of an implant, so this is the defensive side of the same knowledge an attacker uses.

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