大佬可以根据这个Discord串里的内容做一个Echocalypse的解密程序吗

[cghhj1028]

https://discord.com/channels/603359898507673630/810166861911949393/1065362740547428353
我实在是整不明白，太菜了

[28598519a]

我不在你給的Discord頻道內，你那個連結的內容我是看不到的，我看你直接把內容整理整理貼出來吧?

[cghhj1028]

https://discord.com/invite/C6txv7M
这个discord频道搜Echocalypse

大概可能也许是这个：
import os, sys

DAT_0180ac00 = [19, 91, 12, 13, 102, 22, 34, 43, 17, 25, 88, 64, 36, 16, 14, 66,
49, 87, 56, 44, 53, 28, 11, 5, 116, 37, 58, 105, 20, 15, 77, 7, 29,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 19, 91, 12, 13, 102, 22,
34, 43, 17, 25, 88, 64, 36, 16, 14, 66, 49, 87, 56, 44, 53, 28, 11, 5,
116, 37, 58, 105, 20, 15, 77, 7, 29, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0]

for subdir, dirs, files in os.walk(os.getcwd()):
for file in files:
#print os.path.join(subdir, file)
filepath = subdir + os.sep + file

    if filepath.endswith(".png"):

            t = open(filepath, "rb").read()
            t = bytearray(t)
            
            if (t[0] == 85) and (t[1] == 70): #U and F
                size = len(t)
                k = t.copy()
                off = 5
                b = t[4]
                if (t[size-13] == 73) and (t[size-12]== 69):
                    
                    #for i in range(off):
                        #k[i] = t[size - off + i] ^ DAT_0180ac00[b + i]
                    k[0] = 137
                    k[1] = 80
                    k[2] = 78 
                    k[3] = 71
                    k[4] = 13
                    
                else:
                    k[0] = 67
                    k[1] = 67
                    k[2] = 90 
                    k[3] = 33
                    k[4] = 0
              
                for i in range(off, 0x64):
                    k[i] = k[i] ^ DAT_0180ac00[(i+b)%0x21]

                open(filepath, "wb").write(k)
            
                if (k[0] == 67) and (k[1] == 67):
                
                    base_file, ext = os.path.splitext(filepath)
                    if ext == ".png":
                        os.rename(filepath, base_file + ".pvr.ccz")

for subdir, dirs, files in os.walk(os.getcwd()):
for file in files:
#print os.path.join(subdir, file)
filepath = subdir + os.sep + file
ext = filepath.split('.')
newpath = ext[0] + '.png'
ext2 = ext[1]

    print(filepath)
    if ext2 == "pvr":
    
        command = "cmd /c TexturePacker" + " " + filepath + " " + "--sheet" + " " + newpath + " --data dummy.plist --algorithm Basic --allow-free-size --no-trim --max-size 2050"
        print(command)
        
        
        os.system(command)