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| author | Camil Staps | 2015-12-14 10:24:58 +0000 |
|---|---|---|
| committer | Camil Staps | 2015-12-14 10:24:58 +0000 |
| commit | 7f48aca014f6d730e2855bb4b59f25b8ba1e7073 (patch) | |
| tree | 753afd5a7736af8c29cdf6130c4ea25d3c7f461b /CamilStaps-s4498062-Assignment-4/ex3 | |
| parent | Updates bash-covert-channel (diff) | |
Finish assignment 4
Diffstat (limited to 'CamilStaps-s4498062-Assignment-4/ex3')
| -rw-r--r-- | CamilStaps-s4498062-Assignment-4/ex3/ex3 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/CamilStaps-s4498062-Assignment-4/ex3/ex3 b/CamilStaps-s4498062-Assignment-4/ex3/ex3 index ad3d8a7..2af6409 100644 --- a/CamilStaps-s4498062-Assignment-4/ex3/ex3 +++ b/CamilStaps-s4498062-Assignment-4/ex3/ex3 @@ -5,3 +5,5 @@ b I didn't find anything in the logs. This seems to be because chmods aren't logged. The OS could monitor chmods, and log many chmods on the same file / restrict the number of chmods on the same file within some time frame. + The programs do consume a lot of CPU, which could be detected. This is because they employ busy waiting. We could reduce CPU usage by adding `sleep` instructions in the busy loops. + |