Identifier / Programs / Linux and Unix

csh

The shell (command interpreter) with C-like syntax. tldr-pages

GTFOBins file-write 5 Sigma rules name it 2 documented commands

How csh is abused

documented by GTFOBins

file-write

-c

Each abuse is GTFOBins's category and the options and words it uses; the full write-up is on GTFOBins's page for csh.

2 documented commands

from GTFOBins, each read by the identifier

file-write unprivileged, with sudo, as SUID

csh -c 'echo DATA >/path/to/output-file'

Identify

As SUID:

csh -c 'echo DATA >/path/to/output-file' -b

shell unprivileged, with sudo, as SUID

csh

Identify

As SUID:

csh -b

None of the 2 commands the identifier reads trips a Sigma process-creation rule. These commands are 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 csh. The identifier reads the line of each that runs csh.