add server decode script

scripts/dec_svr.py

@@ -0,0 +1,20 @@
+import string
+ct = []
+for i in string.ascii_uppercase:
+    for j in string.ascii_uppercase:
+        ct.append(f'{i}{j}')
+
+insec = 'SWPNPDPFLVAOLNSXPHSQPIEOPAIDENLXHXEHIFLKPGLRHUARSTLQEEEPSUIHPDLSPEAOICLOSQEMLPPALNIBIAERHZLKHXEJHYHUEIEHELEEEKEG'
+insec = 'PFLXLSTBLKHYLPLRHUEHIEEGEEARLQPLIHIAEKAOSTLVEOSQPDHZLNPAICIFEREJLKEMENHUHXIBEPEEEHEIEL'
+insec = 'EKTDROREHXHURHRKRMCXEEKPRNKKUZPNLXNYNOHYAONRNUNWRJSQGZNXGUNTIHKIJYEHPAKBHTKEKGKDLKJVKHKFERGSGIEIHUGLEDGOGQGNEEGFGRGP'
+out = '4;139.155.68.77;119.45.114.92;162.62.63.154;3.132.215.40'
+
+dec = ''
+for i in range(0, len(insec), 2):
+    cur = insec[i:i+2]
+    idx = ct.index(cur)
+    mod_cnt = idx // 0x5e
+    _sum = (idx + (mod_cnt * -0x5e) + 0x20) & 0x7f
+    dec += chr(_sum)
+
+print(dec)