Ceplin Command Identifier

Identifier / Programs / Linux and Unix

arp

Show and manipulate your system's ARP cache. tldr-pages

GTFOBins file-read 3 Sigma rules name it 1 documented command

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

How arp is abused

documented by GTFOBins

file-read

-v
-f

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

1 documented command

from GTFOBins, each read by the identifier

file-read unprivileged, with sudo, as SUID

Lines are likely leaked as error messages.

arp -v -f /path/to/input-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 arp. The identifier reads the line that runs arp.

What detects it

Sigma process creation rules
lowLinux Remote System DiscoveryAlejandro Ortuno, oscd.community
informationalMacos Remote System DiscoveryAlejandro Ortuno, oscd.community
informationalSystem Network Discovery - macOSremotephone, oscd.community

Everyday use

from tldr-pages, CC BY 4.0

Show the current ARP table

Show alternative BSD style output format with on fixed columns

arp -aIdentify

Trips 2 Sigma rules: lowLinux Remote System Discovery by Alejandro Ortuno, oscd.community; informationalMacos Remote System Discovery by Alejandro Ortuno, oscd.community

delete a specific entry

sudo arp -d addressIdentify

Of the 3 examples the identifier reads, 1 matches GTFOBins abuse or trips a Sigma process-creation rule.