screenscreen

screen is a Unix living-off-the-land binary catalogued by the GTFOBins. Documented abuse functions: file-write, shell. Mapped ATT&CK techniques (per LOLBAS / GTFOBins → MITRE crosswalk): T1059, T1565. Defenders should monitor execution of screen under non-administrative or sudo contexts and alert when its arguments match the abuse-function signatures.