Psr.exePsr.exe

Psr.exe is a Windows living-off-the-land binary catalogued by the LOLBAS Project. Documented abuse functions: Reconnaissance. Mapped ATT&CK techniques (per LOLBAS / GTFOBins → MITRE crosswalk): T1083. Defenders should monitor execution of Psr.exe under non-administrative or sudo contexts and alert when its arguments match the abuse-function signatures.