Security Portal: Ask Buffy - Mysterious Files In Linux /tmp Directory and Log Analyzer for Firewall | Linux Today

Security Portal: Ask Buffy – Mysterious Files In Linux /tmp Directory and Log Analyzer for Firewall

Written By
Web Webster
Web Webster
Mar 8, 2001

“I found on one of our machines (Linux) in the /tmp directory a
folder called “kokainkit” with the following files/directories
(someone obviously forgot to delete them…)”

“All I could find on the Web tells me this is a Trojan (knark
installs a hidden module), but what should I do now? I disconnected
the machine from the network. Is there a way to unhide the hidden
files? How did the attacker get in? (The machine was behind a
screening firewall.) Are there security professionals who would be
interested in the code to analyze?…”

“I’m looking for a tool that would allow me to read firewall
logs for investigation purposes (i.e., user John was connected to
www.ishouldn’tbehere.com, time and date and so on). I tried
WebTrends’ log analyzer and firewall, but they do not provide the
reporting that I’m looking for. Do you have any other
suggestions?…”

Complete
Story

Web Webster

Web Webster

Web Webster has more than 20 years of writing and editorial experience in the tech sector. He’s written and edited news, demand generation, user-focused, and thought leadership content for business software solutions, consumer tech, and Linux Today, he edits and writes for a portfolio of tech industry news and analysis websites including webopedia.com, and DatabaseJournal.com.

Linux Today Logo

LinuxToday is a trusted, contributor-driven news resource supporting all types of Linux users. Our thriving international community engages with us through social media and frequent content contributions aimed at solving problems ranging from personal computing to enterprise-level IT operations. LinuxToday serves as a home for a community that struggles to find comparable information elsewhere on the web.

Property of TechnologyAdvice. © 2026 TechnologyAdvice. All Rights Reserved

Advertiser Disclosure: Some of the products that appear on this site are from companies from which TechnologyAdvice receives compensation. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. TechnologyAdvice does not include all companies or all types of products available in the marketplace.