Tag Archives for " Bash "

Grep for forensic log parsing and analysis on Windows Server IIS

19 April 2013
/ Security
/ By Jan Reilink
/ 1 COMMENT

How to use GnuWin32 ported tools like grep.exe and find.exe for forensic log file analysis in Windows Server. In this article I’ll give some real live examples of using these ported GnuWin tools like grep.exe for logfile analysis on Windows servers. The article provides three example, as an alternative to LogParser, because finding spam scripts fast is often very important.

Check IP address blacklist status in Bash

14 October 2011
/ GNU Linux
/ By Jan Reilink
/ 7 COMMENTS

Here is a Linux Bash shell script to check whether an IP address is listed in a DNSBL blacklist, or RBL. This is a modified version of a by J65nko posted Bash script to check an IP address reputation status in several blacklists. I’ve added HttpBl as backlist and an API key is required for this list. Using this script in Bash you can quickly test if an IP address is blacklisted.

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