GTFO · Tool

jshell

6 techniquesLinuxGTFOBinsGPL-3.0

file-read

File ReadPrivilege EscalationLinux

The content is leaked as error messages.

jshell
jshell> /open /path/to/input-file

Evidence: Upstream reference
Environment: Local host
Compatibility: Linux reference. macOS compatibility has not been checked for this command and execution context.
Context: sudo
Native: file-read
MITRE: T1005
Refs: gtfobins.github.io/gtfobins/jshell/

File ReadLinux

The content is leaked as error messages.

jshell
jshell> /open /path/to/input-file

Evidence: Upstream reference
Environment: Local host
Compatibility: Linux reference. macOS compatibility has not been checked for this command and execution context.
Context: unprivileged
Native: file-read
MITRE: T1005
Refs: gtfobins.github.io/gtfobins/jshell/

File WritePrivilege EscalationLinux

Writes only the valid Java code to file.

jshell
String x = "DATA";
/save /path/to/output-file

Evidence: Upstream reference
Environment: Local host
Compatibility: Linux reference. macOS compatibility has not been checked for this command and execution context.
Context: sudo
Native: file-write
MITRE: T1565
Refs: gtfobins.github.io/gtfobins/jshell/

File WriteLinux

Writes only the valid Java code to file.

jshell
String x = "DATA";
/save /path/to/output-file

Evidence: Upstream reference
Environment: Local host
Compatibility: Linux reference. macOS compatibility has not been checked for this command and execution context.
Context: unprivileged
Native: file-write
MITRE: T1565
Refs: gtfobins.github.io/gtfobins/jshell/

ExecutionPrivilege EscalationLinux

jshell
Runtime.getRuntime().exec("/path/to/command");

Evidence: Upstream reference
Environment: Local host
Compatibility: Linux reference. macOS compatibility has not been checked for this command and execution context.
Context: sudo
Native: shell
MITRE: T1059
Refs: gtfobins.github.io/gtfobins/jshell/

ExecutionLinux

jshell
Runtime.getRuntime().exec("/path/to/command");

Evidence: Upstream reference
Environment: Local host
Compatibility: Linux reference. macOS compatibility has not been checked for this command and execution context.
Context: unprivileged
Native: shell
MITRE: T1059
Refs: gtfobins.github.io/gtfobins/jshell/