def check_dmarc_org_policy(base_record):
policy_strong = False
try:
org_record = base_record.get_org_record()
if org_record is not None and org_record.record is not None:
output_info("Found organizational DMARC record:")
output_info(str(org_record.record))
if org_record.subdomain_policy is not None:
if org_record.subdomain_policy == "none":
output_good("Organizational subdomain policy set to %(sp)s" % {"sp": org_record.subdomain_policy})
elif org_record.subdomain_policy == "quarantine" or org_record.subdomain_policy == "reject":
output_bad("Organizational subdomain policy explicitly set to %(sp)s" % {"sp": org_record.subdomain_policy})
policy_strong = True
else:
output_info("No explicit organizational subdomain policy. Defaulting to organizational policy")
policy_strong = check_dmarc_policy(org_record)
else:
output_good("No organizational DMARC record")
except dmarclib.OrgDomainException:
output_good("No organizational DMARC record")
except Exception as e:
logging.exception(e)
return policy_strong
def are_spf_include_mechanisms_strong(spf_record):
output_info("Checking SPF include mechanisms")
include_strong = spf_record._are_include_mechanisms_strong()
if include_strong:
output_bad("Include mechanisms include a strong record")
else:
output_indifferent("Include mechanisms are not strong")
return include_strong
def is_spf_redirect_record_strong(spf_record):
output_info("Checking SPF redirect domian: %(domain)s" % {"domain": spf_record.get_redirect_domain})
redirect_strong = spf_record._is_redirect_mechanism_strong()
if redirect_strong:
output_bad("Redirect mechanism is strong.")
else:
output_indifferent("Redirect mechanism is not strong.")
return redirect_strong
def is_spf_redirect_record_strong(spf_record):
output_info("Checking SPF redirect domian: %(domain)s" % {"domain": spf_record.get_redirect_domain})
redirect_strong = spf_record._is_redirect_mechanism_strong()
if redirect_strong:
output_bad("Redirect mechanism is strong.")
else:
output_indifferent("Redirect mechanism is not strong.")
return redirect_strong
def are_spf_include_mechanisms_strong(spf_record):
output_info("Checking SPF include mechanisms")
include_strong = spf_record._are_include_mechanisms_strong()
if include_strong:
output_bad("Include mechanisms include a strong record")
else:
output_indifferent("Include mechanisms are not strong")
return include_strong
def check_dmarc_policy(dmarc_record):
policy_strength = False
if dmarc_record.policy is not None:
if dmarc_record.policy == "reject" or dmarc_record.policy == "quarantine":
policy_strength = True
output_bad("DMARC policy set to " + dmarc_record.policy)
else:
output_good("DMARC policy set to " + dmarc_record.policy)
else:
output_good("DMARC record has no Policy")
return policy_strength
def check_dmarc_policy(dmarc_record):
policy_strength = False
if dmarc_record.policy is not None:
if dmarc_record.policy == "reject" or dmarc_record.policy == "quarantine":
policy_strength = True
output_bad("DMARC policy set to " + dmarc_record.policy)
else:
output_good("DMARC policy set to " + dmarc_record.policy)
else:
output_good("DMARC record has no Policy")
return policy_strength
def single_domain(domain):
color_init()
spoofable = False
spf_record_strength = is_spf_record_strong(domain)
dmarc_record_strength = is_dmarc_record_strong(domain)
if dmarc_record_strength is False:
spoofable = True
else:
spoofable = False
if spoofable:
output_good("Spoofing possible for " + domain + "!")
else:
output_bad("Spoofing not possible for " + domain)
output_info("No DMARC record found. Looking for organizational record")
dmarc_record_strong = check_dmarc_org_policy(dmarc)
else:
output_good(domain + " has no DMARC record!")
return dmarc_record_strong
if __name__ == "__main__":
color_init()
spoofable = False
try:
domain = sys.argv[1]
spf_record_strength = is_spf_record_strong(domain)
dmarc_record_strength = is_dmarc_record_strong(domain)
if dmarc_record_strength is False:
spoofable = True
else:
spoofable = False
if spoofable:
output_good("Spoofing possible for " + domain + "!")
else:
output_bad("Spoofing not possible for " + domain)
except IndexError:
output_error("Usage: " + sys.argv[0] + " [DOMAIN]")
elif dmarc.get_org_domain() is not None:
output_info("No DMARC record found. Looking for organizational record")
dmarc_record_strong = check_dmarc_org_policy(dmarc)
else:
output_good(domain + " has no DMARC record!")
return dmarc_record_strong
if __name__ == "__main__":
color_init()
spoofable = False
try:
domain = sys.argv[1]
spf_record_strength = is_spf_record_strong(domain)
dmarc_record_strength = is_dmarc_record_strong(domain)
if dmarc_record_strength is False:
spoofable = True
else:
spoofable = False
if spoofable:
output_good("Spoofing possible for " + domain + "!")
else:
output_bad("Spoofing not possible for " + domain)
except IndexError:
output_error("Usage: " + sys.argv[0] + " [DOMAIN]")
spoofable = False
try:
scope = sys.argv[1]
hosts = open(scope).readlines()
hosts_spoofable = []
for host in hosts:
domain = host.strip()
spf_record_strength = is_spf_record_strong(domain)
dmarc_record_strength = is_dmarc_record_strong(domain)
if dmarc_record_strength is False:
spoofable = True
else:
spoofable = False
if spoofable:
output_good("Spoofing possible for " + domain + "!")
hosts_spoofable.append(domain)
else:
output_bad("Spoofing not possible for " + domain)
output_good("\n")
if len(hosts_spoofable) > 0:
output_good("Spoofing possible for the following domains:\n")
for line in hosts_spoofable:
output_good(line)
else:
output_bad("Spoofing not possible for any of the domains.")
except IndexError:
output_error("Usage: " + sys.argv[0] + " [SCOPE_FILE]")
check_dmarc_extras(dmarc)
elif dmarc.get_org_domain():
output_info(
"No DMARC record found. Looking for organizational record...")
dmarc_record_strong = check_dmarc_org_policy(dmarc)
else:
output_good(f"{domain} has no DMARC record!")
return dmarc_record_strong
if __name__ == "__main__":
color_init()
spoofable = False
try:
domain = sys.argv[1]
spf_record_strong = is_spf_record_strong(domain)
dmarc_record_strong = is_dmarc_record_strong(domain)
if spf_record_strong and dmarc_record_strong:
output_bad(f"Spoofing not possible for {domain}")
else:
output_good(f"Spoofing possible for {domain}!")
except IndexError:
output_error(f"Usage: {sys.argv[0]} [DOMAIN]")
