Update README.md

README.md

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-# MaliciousMacroGenerator
-Malicious Macro Generator
-`
+## MaliciousMacroGenerator
+#Malicious Macro Generator Utility
+---
 Simple utility design to generate obfuscated macro that also include a AV / Sandbox escape trick
-`
+---
+
+#Requirement
+```
+Python 2.7
+Python 3.4 (Not tested)
+```
+
+#Usage
+```
+Usage: GenMacro.py [template] [domain] [offset] [payload] [output]
+
+        template        Template macro
+        domain          Target domain name (USERDOMAIN env variable value)
+        offset          Encoding offset (default 3)
+        payload         Payload to be executed
+        output          Output filename
+        
+python GenMacro.py "base.vba" "RingZer0" 3 "cmd.exe /c ping ringzer0team.com" malicious.vba
+```