Identifier / Programs / Linux and Unix

xz

Compress or decompress XZ and LZMA files. tldr-pages

GTFOBins file-read 1 documented command

How xz is abused

documented by GTFOBins

file-read

-c

-d

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

1 documented command

from GTFOBins, each read by the identifier

file-read unprivileged, with sudo, as SUID

xz -c /path/to/input-file | xz -d

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 xz. The identifier reads the line that runs xz.

Everyday use

from tldr-pages, CC BY 4.0

Compress a file into XZ format

xz path/to/fileIdentify

Decompress an XZ file

xz --decompress path/to/file.xzIdentify

Compress a file using lzma

xz --format lzma path/to/fileIdentify

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

xz

How xz is abused

1 documented command

Everyday use

Other programs abused for file-read