Identifier / Programs / Linux and Unix
jshell
GTFOBins file-read, file-write, shell 3 documented commands
How jshell is abused
file-read
file-write
shell
Each abuse is GTFOBins's category and the options and words it uses; the full write-up is on GTFOBins's page for jshell.
3 documented commands
file-read unprivileged, with sudo
The content is leaked as error messages.
jshell
jshell> /open /path/to/input-filefile-write unprivileged, with sudo
Writes only the valid Java code to file.
jshell
String x = "DATA";
/save /path/to/output-fileshell unprivileged, with sudo
jshell
Runtime.getRuntime().exec("/path/to/command");None of the 3 commands the identifier reads trips a Sigma process-creation rule. These commands are, 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 jshell. The identifier reads the line of each that runs jshell.