diff --git a/extra/esperanto/discovery.py b/extra/esperanto/discovery.py
index 9b5a24b9e..cf4c9b5ae 100644
--- a/extra/esperanto/discovery.py
+++ b/extra/esperanto/discovery.py
@@ -429,6 +429,11 @@ class _Discovery(object):
             elif self._ask("2 BETWEEN 2 AND 3") and not self._ask("5 BETWEEN 2 AND 3"):
                 self._comparator = "between"
                 self.dialect.notes.append("'>' unusable; bisecting via BETWEEN")
+            elif self._ask("SIGN(2-1)=1") and not self._ask("SIGN(2-3)=1") and not self._ask("SIGN(2-2)=1"):
+                # ordered, log2-efficient, yet needs NO comparison operator (only SIGN(), '-', '=') -
+                # survives a WAF stripping '>' AND '<' AND BETWEEN, without dropping to slow membership
+                self._comparator = "sign"
+                self.dialect.notes.append("'>'/BETWEEN unusable; bisecting via SIGN() (no comparison operator)")
             else:
                 self._comparator = "membership"
                 self.dialect.notes.append("no ordered comparator; using order-free IN() subset bisection")
diff --git a/extra/esperanto/extraction.py b/extra/esperanto/extraction.py
index e3b01656b..8c72952cd 100644
--- a/extra/esperanto/extraction.py
+++ b/extra/esperanto/extraction.py
@@ -133,6 +133,8 @@ class _Extraction(object):
         # BETWEEN expresses the same range test without the '>'/'<' a WAF may strip.
         if self._comparator == "between":
             return self._ask("%s BETWEEN %d AND %d" % (expr, n + 1, high))
+        if self._comparator == "sign":
+            return self._ask("SIGN((%s)-(%d))=1" % (expr, n))
         return self._ask("%s>%d" % (expr, n))
 
     def _numDefined(self, expr):
diff --git a/lib/core/settings.py b/lib/core/settings.py
index 0601a6164..e03187eb7 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -20,7 +20,7 @@ from lib.core.enums import OS
 from thirdparty import six
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.10.7.169"
+VERSION = "1.10.7.170"
 TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
 TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
 VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)