Identifier / Programs / Linux and Unix

rev

Reverse a line of text or a file. tldr-pages

GTFOBins file-read 1 documented command

How rev is abused

documented by GTFOBins

file-read

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

1 documented command

from GTFOBins, each read by the identifier

file-read unprivileged, with sudo, as SUID

rev /path/to/input-file | rev

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 rev. The identifier reads the line that runs rev.

Everyday use

from tldr-pages, CC BY 4.0

Reverse text typed into terminal

revIdentify

Reverse the text string "hello"

echo "hello" | revIdentify

Reverse an entire file and print to stdout

rev path/to/fileIdentify

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

rev

How rev is abused

1 documented command

Everyday use

Other programs abused for file-read