diff --git a/README.md b/README.md
index 8b96814..14840ea 100644
--- a/README.md
+++ b/README.md
@@ -30,15 +30,22 @@ For more information: [Extending MISP with Python modules](https://www.circl.lu/
 * [GeoIP](misp_modules/modules/expansion/geoip_country.py) - a hover and expansion module to get GeoIP information from geolite/maxmind.
 * [hashdd](misp_modules/modules/expansion/hashdd.py) - a hover module to check file hashes against [hashdd.com](http://www.hashdd.com) including NSLR dataset.
 * [IPASN](misp_modules/modules/expansion/ipasn.py) - a hover and expansion to get the BGP ASN of an IP address.
-* [iprep](misp-modules/modules/expansion/iprep.py) - an expansion module to get IP reputation from packetmail.net.
+* [iprep](misp_modules/modules/expansion/iprep.py) - an expansion module to get IP reputation from packetmail.net.
+* [onyphe](misp_modules/modules/expansion/onyphe.py) - a modules to process queries on Onyphe.
+* [onyphe_full](misp_modules/modules/expansion/onyphe_full.py) - a modules to process full queries on Onyphe.
 * [OTX](misp_modules/modules/expansion/otx.py) - an expansion module for [OTX](https://otx.alienvault.com/).
 * [passivetotal](misp_modules/modules/expansion/passivetotal.py) - a [passivetotal](https://www.passivetotal.org/) module that queries a number of different PassiveTotal datasets.
 * [rbl](misp_modules/modules/expansion/rbl.py) - a module to get RBL (Real-Time Blackhost List) values from an attribute.
+* [reversedns](misp_modules/modules/expansion/reversedns.py) - Simple Reverse DNS expansion service to resolve reverse DNS from MISP attributes.
 * [shodan](misp_modules/modules/expansion/shodan.py) - a minimal [shodan](https://www.shodan.io/) expansion module.
+* [Sigma syntax validator](misp_modules/modules/expansion/sigma_syntax_validator.py) - Sigma syntax validator.
 * [sourcecache](misp_modules/modules/expansion/sourcecache.py) - a module to cache a specific link from a MISP instance.
 * [ThreatCrowd](misp_modules/modules/expansion/threatcrowd.py) - an expansion module for [ThreatCrowd](https://www.threatcrowd.org/).
 * [threatminer](misp_modules/modules/expansion/threatminer.py) - an expansion module to expand from [ThreatMiner](https://www.threatminer.org/).
 * [virustotal](misp_modules/modules/expansion/virustotal.py) - an expansion module to pull known resolutions and malware samples related with an IP/Domain from virusTotal (this modules require a VirusTotal private API key)
+* [VMray](misp_modules/modules/expansion/vmray_submit.py) - a module to submit a sample to VMray.
+* [VulnDB](misp_modules/modules/expansion/vulndb.py) - a module to query [VulnDB](https://www.riskbasedsecurity.com/).
+* [whois](misp_modules/modules/expansion) - a module to query a local instance of [uwhois](https://github.com/rafiot/uwhoisd).
 * [wikidata](misp_modules/modules/expansion/wiki.py) - a [wikidata](https://www.wikidata.org) expansion module.
 * [xforce](misp_modules/modules/expansion/xforceexchange.py) - an IBM X-Force Exchange expansion module.
 * [YARA syntax validator](misp_modules/modules/expansion/yara_syntax_validator.py) - YARA syntax validator.
diff --git a/REQUIREMENTS b/REQUIREMENTS
index c116763..1365ec2 100644
--- a/REQUIREMENTS
+++ b/REQUIREMENTS
@@ -21,3 +21,4 @@ pygeoip
 bs4
 oauth2
 yara
+sigmatools
diff --git a/misp_modules/modules/expansion/__init__.py b/misp_modules/modules/expansion/__init__.py
index a9389e0..b49c1dc 100644
--- a/misp_modules/modules/expansion/__init__.py
+++ b/misp_modules/modules/expansion/__init__.py
@@ -1,3 +1,3 @@
 from . import _vmray
 
-__all__ = ['vmray_submit', 'asn_history', 'circl_passivedns', 'circl_passivessl', 'countrycode', 'cve', 'dns', 'domaintools', 'eupi', 'farsight_passivedns', 'ipasn', 'passivetotal', 'sourcecache', 'virustotal', 'whois', 'shodan', 'reversedns', 'geoip_country', 'wiki', 'iprep', 'threatminer', 'otx', 'threatcrowd', 'vulndb', 'crowdstrike_falcon', 'yara_syntax_validator', 'hashdd']
+__all__ = ['vmray_submit', 'asn_history', 'circl_passivedns', 'circl_passivessl', 'countrycode', 'cve', 'dns', 'domaintools', 'eupi', 'farsight_passivedns', 'ipasn', 'passivetotal', 'sourcecache', 'virustotal', 'whois', 'shodan', 'reversedns', 'geoip_country', 'wiki', 'iprep', 'threatminer', 'otx', 'threatcrowd', 'vulndb', 'crowdstrike_falcon', 'yara_syntax_validator', 'hashdd', 'onyphe', 'onyphe_full', 'rbl', 'xforceexchange', 'sigma_syntax_validator']
diff --git a/misp_modules/modules/expansion/sigma_syntax_validator.py b/misp_modules/modules/expansion/sigma_syntax_validator.py
new file mode 100644
index 0000000..0d5226f
--- /dev/null
+++ b/misp_modules/modules/expansion/sigma_syntax_validator.py
@@ -0,0 +1,35 @@
+import json
+try:
+    import yaml
+    from sigma.parser import SigmaParser
+    from sigma.config import SigmaConfiguration
+except ModuleNotFoundError:
+    print("sigma or yaml is missing, use 'pip3 install sigmatools' to install it.")
+
+misperrors = {'error': 'Error'}
+mispattributes = {'input': ['sigma'], 'output': ['text']}
+moduleinfo = {'version': '0.1', 'author': 'Christian Studer', 'module-type': ['expansion', 'hover'],
+              'description': 'An expansion hover module to perform a syntax check on sigma rules'}
+moduleconfig = []
+
+def handler(q=False):
+    if q is False:
+        return False
+    request = json.loads(q)
+    if not request.get('sigma'):
+        misperrors['error'] = 'Sigma rule missing'
+        return misperrors
+    config = SigmaConfiguration()
+    try:
+        parser = SigmaParser(yaml.load(request.get('sigma')), config)
+        result = ("Syntax valid: {}".format(parser.values))
+    except Exception as e:
+        result = ("Syntax error: {}".format(str(e)))
+    return {'results': [{'types': mispattributes['output'], 'values': result}]}
+
+def introspection():
+    return mispattributes
+
+def version():
+    moduleinfo['config'] = moduleconfig
+    return moduleinfo
diff --git a/misp_modules/modules/import_mod/__init__.py b/misp_modules/modules/import_mod/__init__.py
index 886eaf7..0a732e2 100644
--- a/misp_modules/modules/import_mod/__init__.py
+++ b/misp_modules/modules/import_mod/__init__.py
@@ -1,4 +1,3 @@
 from . import _vmray
 
-__all__ = ['vmray_import', 'testimport', 'ocr', 'stiximport', 'cuckooimport', 'goamlimport',
-           'email_import', 'mispjson', 'openiocimport', 'threatanalyzer_import', 'csvimport']
+__all__ = ['vmray_import', 'testimport', 'ocr', 'cuckooimport', 'goamlimport', 'email_import', 'mispjson', 'openiocimport', 'threatanalyzer_import', 'csvimport']