docs: reduced score due to a FP

Author: Neo23x0

yara/gen_xored_pe.yar

@@ -3,7 +3,7 @@ rule SUSP_Two_Byte_XOR_PE_And_MZ {
       author = "Wesley Shields <[email protected]>"
       description = "Look for 2 byte xor of a PE starting at offset 0"
       reference = "https://gist.github.com/wxsBSD/bf7b88b27e9f879016b5ce2c778d3e83"
-      score = 70
+      score = 60
       date = "2021-10-11"
       id = "ddb87194-bafb-597d-9184-fe4fe3c5ce8d"
    condition: