https://blog.efespain.com/en/tags/forensics/A honeypot in some corner of the network. Every infection, a story worth telling.HugoeneFeSpaineFeSpain2026 eFeSpainTue, 01 Sep 2026 12:00:00 +0000https://blog.efespain.com/en/chapter-26/Tue, 01 Sep 2026 12:00:00 +0000https://blog.efespain.com/en/chapter-26/The family from the previous chapter didn't stand still: there's a newer build going around, and I caught it from the first second. It brute-forces its way in over SSH, sizes the machine up, evicts the competition —its own older version included—, uploads sixteen megabytes in a single file and fires. All in a little over a minute. And then it walks straight into one line of fstab.https://blog.efespain.com/en/chapter-23/Tue, 01 Sep 2026 12:00:00 +0000https://blog.efespain.com/en/chapter-23/I left a password sitting on a decoy and, one Sunday, something came through it three times. I neutralised what it brought; what I didn't see until later was what it left planted — a line in .bashrc that makes «top» lie and hide the very process eating the machine. A rootkit without a rootkit. And putting two frozen disks side by side turned up the detail that changes everything: the same line, with a different number.