Identifier / Programs / Linux and Unix
gcore
GTFOBins file-read 1 documented command
How gcore is abused
file-read
Each abuse is GTFOBins's category and the options and words it uses; the full write-up is on GTFOBins's page for gcore.
1 documented command
file-read unprivileged, with sudo, as SUID
It can be used to generate core dumps of running processes ($PID). Such files often contains sensitive information such as open files content, cryptographic keys, passwords, etc. This command produces a binary file named core.$PID, that is then often filtered with strings to narrow down relevant information.
gcore $PIDThe 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 gcore. The identifier reads the line that runs gcore.