Hidd process mac os x
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What is hidd? Why is it running?
It is because of launchd see image above , which is monitoring all processes creation and termination. It is in charge of process creation. So it maintains the jobs list in user mode. And launchctl is the tool to communicate with launchd; it can easily list all jobs.
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So, if you want to hide a process you have to deal with launchd. Now we are going to see more details of launchd see image above. Since launchctl can list processes, we start from here. You can see this function see image below.
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This is the key part. So we call this command, and it sends a message to launchd, and finally it will call this function see image below to send a message to launchd. In launchd, the function is in charge of the list; all jobs are in this function.
As you can see here, the job object is actually the process in launchd. So we can look for the job in launchd, then we can list all processes or we can try to unlink lists see image above. However, the symbol in launchd is removed, so here are some hints for you about how to reverse-engineer the launchd see image below. We use some string to identify the code.
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Here is the source code, but in launchd you cannot see function symbol. So we use this string to identify the code and try to look for the jobmgr structure see image below. But it is not easy because there is no symbol.
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So the way we unlink a job in launchd is: We have a short demo here as well watch video above. So, we use a rootkit to hide the process.
But we are in user mode and we can still use launchctl to see the process. Sit back and let the hottest tech news come to you by the magic of electronic mail. Prefer to get the news as it happens?
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