HKTL_EXPL_POC_PY_SharePoint_CVE_2023_29357_Sep23_1

rule HKTL_EXPL_POC_PY_SharePoint_CVE_2023_29357_Sep23_1 {
   meta:
      description = "Detects a Python POC to exploit CVE-2023-29357 on Microsoft SharePoint servers"
      author = "Florian Roth"
      reference = "https://github.com/Chocapikk/CVE-2023-29357"
      date = "2023-10-01"
      modified = "2023-10-01"
      score = 80
      id = "2be524ab-f360-56b8-9ce3-e15036855c67"
   strings:
      $x1 = "encoded_payload = base64.urlsafe_b64encode(json.dumps(payload).encode()).rstrip(b'=')"
   condition:
      filesize < 30KB and $x1
}