Convert hex string to ascii, now possible

[nisow95612]

Convert hex string in syslog to ascii in Graylog

I have the following message from auditd tty logging forwarded to syslog: node=testchefnode05.drf.corp type=TTY msg=audit(1507750553.739:348): tty pid=2203 uid=0 auid=1270 ses=2 major=136 minor=0 comm=“bash” data=63616C20323031310D The “data” field is a hex string of the recorded tty ketstrokes. For example the hex string “63616C20323031310D” above would be “cal 2011[13]” in ascii, where [13] is a carriage return. I would like to get that converted to an ascii string so it is readable. Is t…

[nisow95612]

The pipeline function base16_decode(value, [omit_padding]) : String will do what you need.

Unfortunately it is useful only for decoding text. It cannot be used for converting numbers to decimal.