Updated readme

README.md

@@ -1,2 +1,22 @@
-# analyzer-d4-pibs
-Passive Identification of BackScatter 
+# Passive Identification of BackScatter
+Read a pcap file and display potential backscatter traffic on standard output
+
+This is very early stage and subject to change.
+
+
+# Install dependencies
+
+As there were some changes in libwiretap, at least the version 2.6.3-1 is needed.
+``` shell
+apt-get install libwiretap-dev
+apt-get install libhiredis-dev
+make
+```
+
+# How to use
+
+``` shell
+./pibs -r pcapfile.cap -b
+```
+
+