Extract IP from logs and Post: 302779551

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Top Forums Shell Programming and Scripting Extract IP from logs and Post 302779551 by Mr_47 on Wednesday 13th of March 2013 03:46:12 AM

03-13-2013

Registered User

thanks, need to test it out first. will let you know the result soon.

---------- Post updated at 03:40 PM ---------- Previous update was at 03:01 PM ----------

seems there is no python in my unix server

Code:

[root|webmail5.tm.net.my:/tmp] python -V
ksh: python:  not found

---------- Post updated at 03:46 PM ---------- Previous update was at 03:40 PM ----------

Quote:

Originally Posted by RudiC

Although not entirely clear about what you want, this

Code:

awk     '{gsub (/:*login:*|:*null:*/,"")
          if (!max[$9] || $4>max[$9]) max[$9]=$4
          if (!min[$9] || $4<min[$9]) min[$9]=$4
         }
         END    {for (i in max) {split (max[i], MX, ":")
                                 split (min[i], MN, ":")
                                 Delta = (MX[1]-MN[1]) * 3600 + (MX[2]-MN[2]) * 60 + MX[3]-MN[3]
                                 print i, min[i], max[i] > ((Delta > 4)?"b":"c")".out"
                                }
                }
        ' OFS="\t" a.out

will list logins with a span larger than 4 sec between earliest and latest access to b.out, and the rest to c.out. It doesn't care if there's four accesses within four sec, indicating a non-human attempt. And, it does NOT take care of periods spanning across midnight - this would open a wide field, then.

how to test this,

already put the code in code1.sh with the same directory to a.out file,

then enable all access to the code file

Code:

chmod 777 code1.sh

finally execute this with

Code:

./code1.sh

result,

Code:

[root|webmail5.tm.net.my:/tmp] ./code1.sh
awk: syntax error near line 1
awk: illegal statement near line 1
awk: syntax error near line 8
awk: illegal statement near line 8

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