{"version":"1.0","type":"rich","provider_name":"hearthis.at","provider_url":"https:\/\/hearthis.at","height":"150","width":"100%","title":"The Leaking Perimeter","description":"**\u6b4c\u8a5e**\r\n\r\nWeeks on the wire, chasing a ghost in the code\r\nLanded on the final server, a breath I'm holding tight\r\nJust a secret flag to pull from the bucket's fading light\r\nThey said a data perimeter, an Amazon Web Services iron wall\r\nA challenge waiting for the fall\r\n\r\nFound the Spring Boot door, a whisper in the noise\r\nPoking at the endpoints, searching for a voice\r\nA single word, "actuator," unlocks the hidden map\r\nThe proxy's open waiting, a carefully laid trap\r\nThis perimeter's leaking, I can feel the pressure drop\r\n\r\nThrough the proxy's lens, the network starts to bend\r\nA server-side request, a message I can send\r\nTo that magic local address, where metadata sleeps\r\nA whisper for a token, for the secrets that it keeps\r\nGot the role name shining, a key to fit the lock\r\n\r\nGot the keys to the kingdom, a temporary crown\r\nAccess ID shining, gonna take the barrier down\r\nThe secret and the session, a fleeting, potent spark\r\nTo list the files inside the bucket, a beacon in the dark\r\nThis perimeter's breached now, the firewall's just a name\r\n\r\nHello, world, in a text file, a simple, taunting sign\r\nBut the private folder's silent, the flag will not be mine\r\nAccess is denied now, a wall I didn't see\r\nWas it all for nothing? This final, bitter plight?\r\nStaring at the failure in the pale screen's lonely light\r\n\r\nOne last trick to play here, a signature in flight\r\nA presigned URL forged, to bring the prize to light\r\nThrough the SSRF proxy, the final call is made\r\nThe perimeter's an illusion, a phantom I surpassed\r\nThat access denied message was never meant to last\r\n\r\nThe connection closes, the screen begins to fade\r\nThe server whispers its secret, for only me to hear.\r\n\r\n**\u7248\u6b0a**\r\n\r\nAudio is commercially licensed for manesec.\r\n\u6b64\u5916\uff0c\u97f3\u8a0a\u5df2\u6388\u4e88 manesec \u7684\u5546\u696d\u6388\u6b0a\u3002\r\n\r\n\u6b4c\u8a5e\u4f5c\u8005\uff1amanesec\r\n\u7248\u6b0a\u6240\u6709\uff1amanesec\r\n\r\nCopyright \u00a9 manesec.","thumbnail_url":"https:\/\/img.hearthis.at\/6\/5\/8\/_\/uploads\/11227459\/image_track\/12609659\/w1200_h628_q70_ptrue_v2_m1755552542----cropped_1755552538856.jpg?m=1755552542","thumbnail_width":1200,"thumbnail_height":628,"html":"