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Technology

The leaked CIA hacking tools’ names and instructions

The WikiLeaks-hosted “Vault7” collection of documents allegedly leaked from within the CIA’s Computer Operations Group is a messy mix of jargon, incomplete info and broken (or redacted) links. The information is interesting, but it’s quite difficult to find a basic description of many of the terms used, even using the search function. So for everybody’s convenience I’ve gone through the whole pile of docs and listed as many of the tools and techniques mentioned by spook IT as I could…

Technology

Cannot remove file (Operation not permitted)

Have you ever tried to delete a file however the system shows Operation not permitted, even if you are the root user? Here is one of the possibilities. When I use Centos, I have ever tried to meet this situation. I found so many methods, however none of them works for me. Finally, I found the answer of this question: chattr. chattr is a higher-level file attributes command, it can be only use for superuser. And lsattr is to show file…