plambrechtsen

# Generate a 5 year self signed cert without KeyUsage, Subject Key Identifier and Enhanced Key Usage
# As per: https://learn.microsoft.com/en-us/powershell/module/pki/new-selfsignedcertificate
$Certificate=New-SelfSignedCertificate –Subject "SAML SSO Certificate" -CertStoreLocation Cert:\CurrentUser\My -KeyUsage None -KeyAlgorithm RSA -KeyLength 2048 -KeyExportPolicy Exportable -NotAfter (Get-Date).AddYears(5) -SuppressOid "2.5.29.14","2.5.29.37"

# Exported DER binary public key file
Export-Certificate -Cert $Certificate -FilePath ".\SSO.cer"

# Exported PEM text format public key file
$pemFileContent = @(
 '-----BEGIN CERTIFICATE-----'

plambrechtsen

# Time step of the OTP. 1=30s, 2=60s
$TimeStep = 2
$AzureTime = $TimeStep * 30

# Sleep timeout. 1=15s, 2=30s, 3=60s, 4=120s
$ScreenTimeout = 3

# Create 32 Bit Base32 string - From support.yubico.com/hc/en-us/articles/360015668699-Generating-Base32-string-examples
$RNG = [Security.Cryptography.RandomNumberGenerator]::Create()

plambrechtsen

import urllib.request
from bs4 import BeautifulSoup
import json

# Retrieve Azure Public URL to find JSON URL in the documnet
azure_public_IP_url = "https://www.microsoft.com/en-us/download/details.aspx?id=56519"
azure_public_IP_url_content = urllib.request.urlopen(azure_public_IP_url).read()
azure_public_IP_url_soup = BeautifulSoup(azure_public_IP_url_content, "html.parser")

azure_wvd_ip = []

plambrechtsen

plambrechtsen

openssl req -x509 -newkey rsa:2048 -sha256 -days 365 -nodes -keyout Root.key -out Root.pem -subj '/CN=Root CA' -addext 'subjectKeyIdentifier=hash'

openssl req -new -newkey rsa:2048 -sha256 -nodes -out Intermediate.csr -keyout Intermediate.key -subj '/CN=Intermediate CA'

# -- Intermediate.ext --
cat <<EOF > Intermediate.ext
authorityKeyIdentifier=keyid,issuer
subjectKeyIdentifier=hash
basicConstraints=CA:TRUE
keyUsage = digitalSignature, keyCertSign

plambrechtsen

Setting up Cisco ASAv with AnyConnect

Software Required from Cisco:

• ASAv

https://software.cisco.com/download/home/286119613/type/280775065/release/9.18.3

There may be newer releases out, but this has been built with 9.18(3) using the VMWare Package.

plambrechtsen

openssl req -x509 -newkey rsa:2048 -sha256 -days 3560 -nodes -keyout server.key -out server.pem -subj '/CN=server' -addext 'subjectAltName = DNS:server, DNS:server.local'
openssl pkcs12 -export -inkey server.key -in server.pem -out server.pfx -passout pass:password

plambrechtsen

'''
    Convert TOTP Base32 Seeds into Base16/Hex format and vice versa based on CSV with:
    SerialNumber,SeedValue
    If the seed value isn't a valid Base32 then the base32 decoder will exception so assume it's Base16/Hex
'''

import base64
import sys

filename = 'seeds.csv'

plambrechtsen

import crccheck
from operator import xor
from pathlib import Path

#Xor key from surepetpacket.xorkey
xorkey='000000589e6c5a71ba9633f8c7fc4eafce9ee203c3a89ee498822ba00d9bc7bde054d5dd4ab02ba61a01fa477aec124811273f59ee848b9303903b3acd74678f8305d5ef33df79d5d56e159656aff90055ae'

def tohex(ba):
  return ''.join(format(x, '02x') for x in ba)