PRT-PJL-PS-RCEExecution

PJL / PostScript Code Execution

Send PJL FSDOWNLOAD or PostScript exitserver commands to the printer over 9100/tcp — write to filesystem, replace firmware, reach root on the controller.

§ Where this technique fits

PRT-PJL-PS-RCE is catalogued under the Execution tactic of the offensive-security kill-chain. It appears in 1 approved dossier in the registry, typically at step 2 on average.

§ Dossiers chaining this technique

PJL / PostScript → printer root → quiet network foothold
PRET-style payloads against TCP/9100 give RCE on the printer's controller. The printer is a stable, EDR-free Linux box trusted by the rest of the network — perfect long-term implant.
step 2 / 6

§ What commonly comes next

01
Command and Scripting Interpreter
T1059 · Execution
seen 1×

§ Where this technique fits

§ Dossiers chaining this technique

PJL / PostScript → printer root → quiet network foothold

§ What commonly comes next