🔗 Add external write-ups for MsPing

Author: pe3zx

thailand-ctf-2015/100-MsPing/README.md

@@ -7,4 +7,8 @@
 
 ## Write-up
 
-(TODO)
+(TODO)
+
+## Other write-ups and resources
+
+* <https://www.facebook.com/139105159494751/photos/a.253651668040099.59247.139105159494751/903217219750204/?type=3&fref=nf>

thailand-ctf-2015/README.md

@@ -7,6 +7,8 @@
 
 ## External write-ups only
 
+- [100-MsPing](100-MsPing)
+
 ## Missing write-ups
 
 - [50-Find_me](50-Find_me)
@@ -15,7 +17,6 @@
 - [50-Stare_the_picture](50-Stare_the_picture)
 - [100-I_Need_help](100-I_Need_help)
 - [100-log_analysis](100-log_analysis)
-- [100-MsPing](100-MsPing)
 - [150-Digital_Envelope](150-Digital_Envelope)
 - [150-MrTony](150-MrTony)
 - [150-Secret_Message](150-Secret_Message)