// REVERSE ENGINEERING · ORIGINAL TRAINING CHALLENGE

Reverse Signal

Reverse a toy string transformation using the supplied source.

Medium400 PTSOFFLINE EVIDENCE

// MISSION

Investigate the evidence

Reverse a toy string transformation using the supplied source.

Recover the marker and submit it using the format SG{marker}.

Self-contained synthetic artifacts only. No live targets, services, devices, or external systems.

// FLAG CHECK

$ specter open reverse-signal
[+] evidence ready
[+] local practice mode

TRAINING FLAG

Progress stored in this browser.

// EVIDENCE

function encode(s){return [...s].reverse().join('')}\nconst encoded='ecart_eht_esrever';\n// Recover the original marker.

HINT 01

Apply the operation to the encoded string again.