Ceplin Command Identifier

Identifier / Programs / Linux and Unix

dhclient

DHCP client. 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 dhclient is abused

documented by GTFOBins

shell T1059.004 Command and Scripting Interpreter: Unix Shell

-sf

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

1 documented command

from GTFOBins, each read by the identifier

shell unprivileged, with sudo

dhclient -sf /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 dhclient. The identifier reads the line that runs dhclient.

What detects it

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

Everyday use

from tldr-pages, CC BY 4.0

Get an IP address for the eth0 interface

sudo dhclient eth0Identify

Release an IP address for the eth0 interface

sudo dhclient -r eth0Identify

None of the 2 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