Identifier / Programs / Linux and Unix

wc

Count lines, words, and bytes. tldr-pages

GTFOBins file-read 1 documented command

How wc is abused

documented by GTFOBins

file-read

--files0-from

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

1 documented command

from GTFOBins, each read by the identifier

file-read unprivileged, with sudo, as SUID

The file content is parsed as a sequence of \x00 separated paths. On error the file content appears in a message.

wc --files0-from /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 wc. The identifier reads the line that runs wc.

Everyday use

from tldr-pages, CC BY 4.0

Count all lines in a file

wc --lines path/to/fileIdentify

Count all words in a file

wc --words path/to/fileIdentify

Count all bytes in a file

wc --bytes path/to/fileIdentify

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

Options

5 in toybox

Show every option of wc

-LShow max line length

-lShow lines

-wShow words

-cShow bytes

-mShow characters

wc

How wc is abused

1 documented command

Everyday use

Options

Other programs abused for file-read