Ceplin Command Identifier

Identifier / Programs / Linux and Unix

dc

An arbitrary precision calculator. Uses reverse polish notation (RPN). tldr-pages

GTFOBins shell 1 ATT&CK technique 1 documented command

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

How dc is abused

documented by GTFOBins

shell T1059.004 Command and Scripting Interpreter: Unix Shell

-e

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

1 documented command

from GTFOBins, each read by the identifier

shell unprivileged, with sudo, as SUID

dc -e '!/bin/sh'
Identify

The command the identifier reads trips no Sigma process-creation rule. This command is 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 dc. The identifier reads the line that runs dc.

What detects it

Sigma process creation rules
T1059.004Command and Scripting Interpreter: Unix Shell

Everyday use

from tldr-pages, CC BY 4.0

Start an interactive session

Execute a script

dc path/to/script.dcIdentify

Calculate an expression with the specified scale

dc --expression '10 k 5 3 / p'Identify

None of the 3 examples the identifier reads matches GTFOBins abuse or trips a Sigma process-creation rule.

Other programs abused for shell

aa-exec · agetty · ansible-playbook · ansible-test · aoss · apt · apt-get · arch-nspawn · asterisk · at · autoconf · autoheader · autoreconf · awk · borg · bpftrace