diff --git a/contrib/backends/srndv2/src/srnd/model.go b/contrib/backends/srndv2/src/srnd/model.go
index d4967e0..4ae53f3 100644
--- a/contrib/backends/srndv2/src/srnd/model.go
+++ b/contrib/backends/srndv2/src/srnd/model.go
@@ -81,6 +81,9 @@ type PostModel interface {
 	// returns true if this post was truncated
 	IsTruncated() bool
 
+	// return true if this post is a mod message
+	IsCtl() bool
+
 	IsI2P() bool
 	IsTor() bool
 	IsClearnet() bool
@@ -244,7 +247,6 @@ func (self boardPageRows) Swap(i, j int) {
 	self[i], self[j] = self[j], self[i]
 }
 
-
 type postsGraphRow struct {
 	day time.Time
 	Num int64
diff --git a/contrib/backends/srndv2/src/srnd/model_mem.go b/contrib/backends/srndv2/src/srnd/model_mem.go
index 37ebfcd..b31b4d5 100644
--- a/contrib/backends/srndv2/src/srnd/model_mem.go
+++ b/contrib/backends/srndv2/src/srnd/model_mem.go
@@ -297,6 +297,10 @@ type post struct {
 	FrontendPublicKey string
 }
 
+func (p *post) IsCtl() bool {
+	return p.board == "ctl"
+}
+
 func (self *post) NNTPID() int {
 	return self.nntp_id
 }
diff --git a/contrib/static/overchan.js b/contrib/static/overchan.js
index 46676fc..511601c 100644
--- a/contrib/static/overchan.js
+++ b/contrib/static/overchan.js
@@ -16,6 +16,29 @@ var nntpchan_mod_mark_spam = function(longhash) {
   elem.innerText = "spam";
 };
 
+var nntpchan_mod_decode_ipban = function(longhash) {
+  var elem = document.getElementById("post_body_" + longhash);
+  if(!elem) return;
+  var lines = elem.inenrText.split("\n");
+  for(var i = 0; i < lines.length; ++i)
+  {
+    if (!lines[idx].startsWith("overchan-inet-ban"))
+      continue;
+    var parts = lines[idx].split(" ");
+    if(parts.length != 2) continue;
+    parts = parts[1].split(":");
+    if(parts.legngth < 2) continue;
+    var a1 = atob(parts[0]);
+    var a2 = atob(parts[1]);
+    var txt = "";
+    for(var idx = 0; idx < a1.length; ++idx)
+    {
+      txt += String.fromCharCode(a1.charCodeAt(idx) ^ a2.charCodeAt(idx));
+    }
+    elem.appendChild(document.createTextNode(txt + "\n"));
+  }
+};
+
 var nntpchan_mod_commit_spam = function(elem) {
   var formdata = new FormData();
   var posts = document.getElementsByClassName("post");
diff --git a/contrib/templates/placebo/post.mustache b/contrib/templates/placebo/post.mustache
index 80b2838..907545a 100644
--- a/contrib/templates/placebo/post.mustache
+++ b/contrib/templates/placebo/post.mustache
@@ -32,10 +32,13 @@
     {{/post.Attachments}}
     <a href="#" onclick="nntpchan_mod_delete('{{post.PostHash}}');">[Delete]</a>
     <a href="#" onclick="nntpchan_mod_mark_spam('{{post.PostHash}}');">[Spam]</a>
+    {{#post.IsCtl}}
+    <a href="#" onclick="nntpchan_mod_decode_ipban('{{post.PostHash}}');">[Decode Secrets]</a>
+    {{/post.IsCtl}}
     <a name="{{post.PostHash}}"></a><span class="topicline"><b data-subject="{{post.Subject}}" class="subject">{{post.Subject}}</b> {{post.Name}} <span class="published">{{post.Frontend}} || {{post.Date}}</span> {{{post.Pubkey}}} <a href="{{post.PostURL}}">[Reply]</a>
     <a href="#" onclick="return quickreply('{{post.ShortHash}}', '{{post.PostHash}}', '{{post.PostURL}}');"> {{post.ShortHash}}</a>
     </span>
     <br /><br />
-    <span class="message_span">{{{post.RenderBody}}}</span>
+    <span id="post_body_{{post.PostHash}}" class="message_span">{{{post.RenderBody}}}</span>
     <br style="clear: both;" />
 </div>