From e7ed2bbcbba0bbde42ddcf373cf5048b8ad1d19e Mon Sep 17 00:00:00 2001
From: Miroslav Stampar <miroslav.stampar@gmail.com>
Date: Fri, 30 Nov 2018 11:29:17 +0100
Subject: [PATCH] Fixes #3391)

---
 tamper/plus2concat.py   | 5 +++++
 tamper/plus2fnconcat.py | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/tamper/plus2concat.py b/tamper/plus2concat.py
index 574a20828..113315b9b 100644
--- a/tamper/plus2concat.py
+++ b/tamper/plus2concat.py
@@ -41,6 +41,9 @@ def tamper(payload, **kwargs):
     retVal = payload
 
     if payload:
+        prefix, suffix = '+' * len(re.search(r"\A(\+*)", payload).group(0)), '+' * len(re.search(r"(\+*)\Z", payload).group(0))
+        retVal = retVal.strip('+')
+
         while True:
             indexes = zeroDepthSearch(retVal, '+')
 
@@ -76,4 +79,6 @@ def tamper(payload, **kwargs):
                 else:
                     break
 
+        retVal = "%s%s%s" % (prefix, retVal, suffix)
+
     return retVal
diff --git a/tamper/plus2fnconcat.py b/tamper/plus2fnconcat.py
index 86ceee621..bc85826f8 100644
--- a/tamper/plus2fnconcat.py
+++ b/tamper/plus2fnconcat.py
@@ -42,6 +42,9 @@ def tamper(payload, **kwargs):
     retVal = payload
 
     if payload:
+        prefix, suffix = '+' * len(re.search(r"\A(\+*)", payload).group(0)), '+' * len(re.search(r"(\+*)\Z", payload).group(0))
+        retVal = retVal.strip('+')
+
         while True:
             indexes = zeroDepthSearch(retVal, '+')
 
@@ -89,4 +92,6 @@ def tamper(payload, **kwargs):
                 else:
                     break
 
+        retVal = "%s%s%s" % (prefix, retVal, suffix)
+
     return retVal