ldap modules

nxc/modules/get-userPassword.py

@@ -0,0 +1,63 @@
+from impacket.ldap import ldapasn1 as ldapasn1_impacket
+from impacket.ldap import ldap as ldap_impacket
+from nxc.logger import nxc_logger
+
+
+class NXCModule:
+    """
+    Get userPassword attribute stored in ldap.
+    Module by @SyzikSecu
+    """
+
+    name = "get-userPassword"
+    description = "Get userPassword attribut stored in ldap"
+    supported_protocols = ["ldap"]
+    opsec_safe = True
+    multiple_hosts = True
+
+    def options(self, context, module_options):
+        """
+        """
+
+    def on_login(self, context, connection):
+        searchFilter = "(objectclass=user)"
+
+        try:
+            context.log.debug(f"Search Filter={searchFilter}")
+            resp = connection.ldapConnection.search(
+                searchFilter=searchFilter,
+                attributes=["sAMAccountName", "userPassword"],
+                sizeLimit=0,
+            )
+        except ldap_impacket.LDAPSearchError as e:
+            if e.getErrorString().find("sizeLimitExceeded") >= 0:
+                context.log.debug("sizeLimitExceeded exception caught, giving up and processing the data received")
+                resp = e.getAnswers()
+            else:
+                nxc_logger.debug(e)
+                return False
+
+        answers = []
+        context.log.debug(f"Total of records returned {len(resp)}")
+        for item in resp:
+            if isinstance(item, ldapasn1_impacket.SearchResultEntry) is not True:
+                continue
+            sAMAccountName = ""
+            userPassword = []
+            try:
+                for attribute in item["attributes"]:
+                    if str(attribute["type"]) == "sAMAccountName":
+                        sAMAccountName = str(attribute["vals"][0])
+                    elif str(attribute["type"]) == "userPassword":
+                        userPassword = [str(i) for i in attribute["vals"]]
+                if sAMAccountName != "" and len(userPassword) > 0:
+                    answers.append([sAMAccountName, userPassword])
+            except Exception as e:
+                context.log.debug("Exception:", exc_info=True)
+                context.log.debug(f"Skipping item, cannot process due to error {e!s}")
+        if len(answers) > 0:
+            context.log.success("Found following users: ")
+            for answer in answers:
+                context.log.highlight(f"User: {answer[0]} userPassword: {answer[1]}")
+        else:
+            context.log.fail("No userPassword Found")