Identifier / Programs / Linux and Unix
lftp
Sophisticated file transfer program. tldr-pages
GTFOBins shell 1 ATT&CK technique 1 documented command
How lftp is abused
shell T1059.004 Command and Scripting Interpreter: Unix Shell
-cEach abuse is GTFOBins's category and the options and words it uses; the full write-up is on GTFOBins's page for lftp.
1 documented command
shell unprivileged, with sudo, as SUID
lftp -c '!/bin/sh'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 lftp. The identifier reads the line that runs lftp.
What detects it
Everyday use
Connect to an FTP server
lftp --user username ftp.example.comIdentify[Interactive] Download multiple files (glob expression)
mget path/to/*.png[Interactive] Upload multiple files (glob expression)
mput path/to/*.zipThe example the identifier reads matches no GTFOBins abuse and trips no Sigma process-creation rule.