diff --git a/lib/firewall/powerful.py b/lib/firewall/powerful.py
new file mode 100644
index 0000000..f1d0936
--- /dev/null
+++ b/lib/firewall/powerful.py
@@ -0,0 +1,17 @@
+import re
+
+
+__item__ = "Powerful Firewall (MyBB plugin)"
+
+
+def detect(content, **kwargs):
+    status = kwargs.get("status", None)
+    detection_schema = (
+        re.compile(r"Powerful Firewall", re.I),
+        re.compile(r"http(s)?...tiny.cc.powerful.firewall", re.I)
+    )
+    if status is not None:
+        if status == 403:
+            for detection in detection_schema:
+                if detection.search(content) is not None:
+                    return True