diff --git a/baby-kimsuky/Decode-Cowboy.py b/baby-kimsuky/Decode-Cowboy.py
new file mode 100644
index 0000000..134d954
--- /dev/null
+++ b/baby-kimsuky/Decode-Cowboy.py
@@ -0,0 +1,41 @@
+import base64
+
+with open(‘cowboy’, ‘r’) as file_in, open(‘cowboy_clear.bin’, ‘wb’) as file_out:
+
+    EncStr = file_in.read()
+
+    BlkSz = 10
+
+    len_EncStr = len(EncStr)
+
+    NonBlk10_ptr = len_EncStr – (BlkSz -1) * (len_EncStr // BlkSz)
+
+    NonBlk10 = EncStr [:NonBlk10_ptr]
+
+    result = ”
+
+    EncStr = EncStr [NonBlk10_ptr::]
+
+    #print EncStr
+
+    x = range (-1,BlkSz-1)
+
+    Blksize1 = len_EncStr // BlkSz
+
+    for n in x:
+
+        loop_buff1_ptr = n * (len_EncStr // BlkSz)
+
+        loop_buff1 = EncStr [loop_buff1_ptr:loop_buff1_ptr+Blksize1]
+
+        #print loop_buff1
+
+        result = loop_buff1 + result
+
+    result = result + NonBlk10
+
+    clear = base64.b64decode(result)[::-1]
+
+    print clear
+
+file_out.write(clear)