New answers tagged macosx
No, it's just an evidence there are other Wifi network around you. These other Wifi networks most probably belong to other people or companies. You would be able to connect to them only if they give you the associated password, without that you can only see that they are here without being able to actually connect to them.
You may also want to look in ~/Library/LaunchAgents as well as ~Library/LaunchDaemons for a file consisting of a series of numbers and letters. The sequence of these characters will be the same in both directories. Send them both to the trash (you will be asked to login), then empty trash on restart. Another method to unhijack the browser is to Force-Quit ...
Your system is vulnerable since the binary is written. The reason you can't simply copy bash is because the written binary will be started with "real" user id dserodio and "effective" user id root. To switch to real user id root, the binary needs to call setuid(0). I've given a sample C code wrapper for this in the comments of my article you linked. Another ...
One option for testing this might be to use the metasploit module for rootpipe exploitation One of the advantages of Metasploit modules is they tend to be reasonably well documented and work reliably, so worth a try.
The most simple way to block traffic by IP address is to use pf (man pf.conf). Here's a simple script to help you get started. Warning Be sure to read the manual pages for more information and before running this. # enable: sudo pfctl -e -f pf.rules # disable: sudo pfctl -d set block-policy drop set fingerprints "/etc/pf.os" set ruleset-optimization basic ...
Is there any way to (partially) defeat keylogger attacks against system-level password entry on OS X? Yes. The traditional keylogger is a hardware device that intercepts data between the the keyboard and the intake of character data at the Keyboard Controller (mostly USB Device, HID Keyboard). The physical components are few and various tamper evident ...
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