(for Linux and perhaps some others)
lddTroj is a proof of concept trojan that shows the danger of running the ldd command against potentially dangerous files. I've released it as open source under a GPL license.
Download the tar.gz file and extract it. Read the README file inside for further instructions.
Q: I have a question that is not covered here. Where can I get help?
A: Send me
your question. I can't promise that I will have time to answer, but I'll do my best.