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iam.py
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iam.py
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from datetime import datetime, timedelta, timezone
import boto3
# Text file path
txt_file_path = 'Vulnerability_Check_Results.txt'
# Session Initialization
aws_console = boto3.session.Session(profile_name="default")
iam = aws_console.client('iam')
cloudtrail = aws_console.client('cloudtrail')
count = 0
def write_to_txt(message):
with open(txt_file_path, 'a') as txtfile:
txtfile.write(f"{message}\n")
def run():
def detect_access_management_console():
global count
try:
response = iam.list_users()
users = response['Users']
for each_user in users:
response1 = iam.get_login_profile(UserName=each_user['UserName'])
if response1:
count += 1
write_to_txt(
f'[Vulnerability] User {each_user["UserName"]} has unrestricted access to the AWS Management Console.')
else:
write_to_txt("No user has access to the AWS management console")
except Exception as e:
write_to_txt(f'Error: {e}')
def detect_mfa():
global count
try:
response = iam.list_users()
users = response['Users']
for user in users:
response = iam.list_mfa_devices(UserName=user['UserName'])
mfa_devices = response['MFADevices']
if not mfa_devices:
count += 1
write_to_txt(f'[Vulnerability] Multi-factor authentication is not enabled for user {user["UserName"]}.')
else:
write_to_txt("MFA is enabled for all users and root account.")
except Exception as e:
write_to_txt(f'Error: {e}')
def detect_root_account_credentials():
global count
try:
flag = 0
response = cloudtrail.lookup_events(LookupAttributes=[
{
'AttributeKey': 'EventName',
'AttributeValue': 'ConsoleLogin'
},
],
StartTime=datetime.now() - timedelta(days=30)
)
events = response['Events']
for event in events:
if event['Username'] == 'root':
count += 1
write_to_txt('[Vulnerability] The AWS root account was used to log in recently.')
flag = 1
break
if flag == 0:
write_to_txt("Root account has not been used to log in for the last 30 days.")
except Exception as e:
write_to_txt(f'Error: {e}')
def detect_inadequate_password_policy():
global count
try:
response = iam.get_account_password_policy()
password_policy = response['PasswordPolicy']
if not password_policy:
count += 1
write_to_txt("[Vulnerability] Headsup! No custom password policy set.")
if password_policy['MinimumPasswordLength'] < 12:
write_to_txt('The minimum password length is less than 12 characters.')
if not password_policy['RequireSymbols']:
write_to_txt('The password policy does not require symbols.')
if not password_policy['RequireNumbers']:
write_to_txt('The password policy does not require numbers.')
if not password_policy['RequireUppercaseCharacters']:
write_to_txt('The password policy does not require uppercase characters.')
if not password_policy['RequireLowercaseCharacters']:
write_to_txt('The password policy does not require lowercase characters.')
except iam.exceptions.NoSuchEntityException:
count += 1
write_to_txt("[Vulnerability] Headsup! No custom password policy set.")
except Exception as e:
write_to_txt(f'Error: {e}')
def detect_policy_admin_permissions():
global count
try:
flag = 0
response = iam.list_policies(Scope='Local')
policies = response['Policies']
for policy in policies:
policy_response = iam.get_policy(PolicyArn=policy['Arn'])
policy_version = policy_response['Policy']['DefaultVersionId']
policy_response = iam.get_policy_version(PolicyArn=policy['Arn'], VersionId=policy_version)
policy_document = policy_response['PolicyVersion']['Document']
if '"Effect": "Allow", "Action": "*", "Resource": "*"' in policy_document:
flag = 1
count += 1
write_to_txt(f'[Vulnerability] Policy {policy["PolicyName"]} grants unrestricted access.')
if flag == 0:
write_to_txt("No customer managed policy has admin permissions")
except Exception as e:
write_to_txt(f'Error: {e}')
def detect_overprivileged_roles():
global count
try:
response = iam.list_roles()
roles = response['Roles']
for role in roles:
response = iam.list_attached_role_policies(RoleName=role['RoleName'])
policies = response['AttachedPolicies']
for policy in policies:
if 'AdministratorAccess' in policy['PolicyName']:
count += 1
write_to_txt(f'[Vulnerability] The role {role["RoleName"]} has administrator access.')
except Exception as e:
write_to_txt(f'Error: {e}')
def detect_overprivileged_groups():
global count
try:
response = iam.list_groups()
groups = response['Groups']
for group in groups:
response = iam.list_attached_group_policies(GroupName=group['GroupName'])
policies = response['AttachedPolicies']
for policy in policies:
if 'AdministratorAccess' in policy['PolicyName']:
count += 1
write_to_txt(f'[Vulnerability] The group {group["GroupName"]} has administrator access.')
except Exception as e:
write_to_txt(f'Error: {e}')
def detect_recent_access_keys():
global count
try:
response = iam.list_users()
users = response['Users']
current_time = datetime.now(timezone.utc)
for user in users:
response = iam.list_access_keys(UserName=user['UserName'])
access_keys = response['AccessKeyMetadata']
for access_key in access_keys:
if access_key['Status'] == 'Active':
response = iam.get_access_key_last_used(AccessKeyId=access_key['AccessKeyId'])
last_used = response['AccessKeyLastUsed']['LastUsedDate']
if (current_time - last_used).days < 30:
count += 1
write_to_txt(
f'[Vulnerability] The access key for user {user["UserName"]} is active and has been used recently.')
else:
write_to_txt(
f'Access key {access_key["AccessKeyId"]} has not been used for the last 30 days.')
except Exception as e:
write_to_txt(f'Error: {e}')
def detect_unaudited_permissions():
global count
try:
response = iam.list_policies(Scope='Local')
policies = response['Policies']
flag = 0
for policy in policies:
if policy['CreateDate'].date() < (datetime.now() - timedelta(days=90)).date():
flag = 1
count += 1
write_to_txt(f'[Vulnerability] The policy {policy["PolicyName"]} has not been updated in the last 90 days.')
if flag == 0:
write_to_txt('No outdated policies')
except Exception as e:
write_to_txt(f'Error: {e}')
write_to_txt("IAM Vulnerability Check Results:\n")
detect_access_management_console()
detect_mfa()
detect_root_account_credentials()
detect_inadequate_password_policy()
detect_policy_admin_permissions()
detect_overprivileged_roles()
detect_overprivileged_groups()
detect_recent_access_keys()
detect_unaudited_permissions()
write_to_txt(f'{count} vulnerabilities found')
print(f'IAM Checks Completed')