Guys, apache cpus usage is hitting 100% sometimes ( to such an extent that its very noticeable) on a box with just 8 users or so.
i m getting this when i run 'top'. The worrying thing is seeing the work 'atack' under command
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
23119 apache 15 0 964 556 472 S 0.7 0.0 0:03.68 atack
23479 apache 15 0 964 556 472 S 0.7 0.0 0:01.94 atack
22170 apache 15 0 964 560 472 S 0.3 0.0 0:05.23 atack
22375 apache 15 0 964 560 472 S 0.3 0.0 0:04.21 atack
22858 apache 15 0 964 560 472 S 0.3 0.0 0:02.87 atack
22997 apache 15 0 964 560 472 S 0.3 0.0 0:04.11 atack
22999 apache 15 0 964 560 472 S 0.3 0.0 0:02.22 atack
23007 apache 15 0 964 560 472 S 0.3 0.0 0:03.79 atack
23099 apache 15 0 964 556 472 S 0.3 0.0 0:02.18 atack
23101 apache 15 0 964 556 472 S 0.3 0.0 0:02.48 atack
23108 apache 15 0 964 556 472 S 0.3 0.0 0:03.59 atack
23109 apache 15 0 964 556 472 S 0.3 0.0 0:02.75 atack
23112 apache 15 0 972 504 412 S 0.3 0.0 0:04.70 atack
23115 apache 15 0 964 556 472 S 0.3 0.0 0:03.75 atack
23116 apache 15 0 964 556 472 S 0.3 0.0 0:02.80 atack
23121 apache 15 0 972 504 412 S 0.3 0.0 0:03.79 atack
23384 apache 15 0 964 556 472 S 0.3 0.0 0:01.63 atack
23389 apache 15 0 964 556 472 S 0.3 0.0 0:03.52 atack
23392 apache 15 0 964 556 472 S 0.3 0.0 0:01.61 atack
23397 apache 15 0 964 556 472 S 0.3 0.0 0:01.62 atack
23405 apache 15 0 964 556 472 S 0.3 0.0 0:03.64 atack
When i 'ps -ef' i can see many lines as below;
apache 24253 23378 0 10:54 ? 00:00:00 ./atack 100
apache 24286 23378 0 10:59 ? 00:00:00 ./atack 100
apache 24292 23378 0 11:00 ? 00:00:01 ./atack 100
apache 24335 23378 0 11:01 ? 00:00:00 ./atack 100
apache 24344 23378 0 11:01 ? 00:00:00 ./atack 100
apache 24347 23378 0 11:02 ? 00:00:00 ./atack 100
apache 24358 23378 0 11:04 ? 00:00:00 ./atack 100
Hell, has my centos 5.3 box been hacked??? Help !!!!!!!!!!
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