Identifier / Programs / Linux and Unix
nft
Allow configuration of tables, chains, and rules provided by the Linux kernel firewall. Nftables replaces iptables. tldr-pages
GTFOBins file-read 1 documented command
How nft is abused
file-read
-fEach abuse is GTFOBins's category and the options and words it uses; the full write-up is on GTFOBins's page for nft.
1 documented command
file-read unprivileged, with sudo
The content is actually parsed and corrupted by the command.
nft -f /path/to/input-fileThe 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 nft. The identifier reads the line that runs nft.
Everyday use
View current configuration
sudo nft list rulesetIdentifyAdd a new table with family "inet" and table "filter"
sudo nft add table inet filterIdentifyAdd a new chain to accept all inbound traffic
sudo nft add chain inet filter input \{ type filter hook input priority 0 \; policy accept \; \}IdentifyNone of the 3 examples the identifier reads matches GTFOBins abuse or trips a Sigma process-creation rule.