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Ilya V. Matveychikov 2018-07-04 18:32:44 +04:00 committed by GitHub
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@ -57,6 +57,12 @@ Hooking of system calls by patching syscall-handlers in `sys_call_table[]`:
- https://github.com/linux-rootkits/rkduck/blob/master/rkduck/vfs.c#L157 (vfs_hijacked_proc_iterate)
- https://github.com/linux-rootkits/rkduck/blob/master/rkduck/vfs.c#L78 (vfs_hijacked_proc_filldir)
## Hiding of processes and process trees
Filtering PID-like numeric entries while listing `/proc`:
- based on hiding of files capabilty (vfs_hide_file)
- https://github.com/linux-rootkits/rkduck/blob/master/rkduck/crumbs_serv.c#L30
## Keylogger
Keylogger is implemented using `register_keyboard_notifier()`: