mirror of
https://github.com/hakril/PythonForWindows
synced 2026-06-08 14:31:45 +00:00
hakril
90 lines
4.1 KiB
Python
90 lines
4.1 KiB
Python
import hashlib
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import base64
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import windows.crypto
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windowscert = b"""-----BEGIN CERTIFICATE-----
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MIIFBDCCA+ygAwIBAgITMwAAAQZuwyXEMckYDgAAAAABBjANBgkqhkiG9w0BAQsF
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ADCBhDELMAkGA1UEBhMCVVMxEzARBgNVBAgTCldhc2hpbmd0b24xEDAOBgNVBAcT
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B1JlZG1vbmQxHjAcBgNVBAoTFU1pY3Jvc29mdCBDb3Jwb3JhdGlvbjEuMCwGA1UE
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AxMlTWljcm9zb2Z0IFdpbmRvd3MgUHJvZHVjdGlvbiBQQ0EgMjAxMTAeFw0xNjEw
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MTEyMDM5MzFaFw0xODAxMTEyMDM5MzFaMHAxCzAJBgNVBAYTAlVTMRMwEQYDVQQI
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EwpXYXNoaW5ndG9uMRAwDgYDVQQHEwdSZWRtb25kMR4wHAYDVQQKExVNaWNyb3Nv
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ZnQgQ29ycG9yYXRpb24xGjAYBgNVBAMTEU1pY3Jvc29mdCBXaW5kb3dzMIIBIjAN
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BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyWcaCYghNInk3ecpyu2uZ7LCV9QS
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7GWYr41ufTkcL66ewHxlAoWjmkKG6W2Bp9BYYQok10iDeDGACE9Vjr6m4Jdh+YuN
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RLxMnHC8JTGzk96CzmdBPAuUWdAcHNmTkIWQF6AXzsbBWsekQejvDBygAOCuIYh4
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sBgNa5cjTxQc7Iyp9c7RxBmThV5BNFTOnSN6D9N8zU+ENgIZuyHxGvqzRdrhU4G4
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Cg/h1CkI4TgeZQZCeUNPnWV6DMuvPCiqGEia5phOJZyENKND0Sx6eQZrYnuz1gMn
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YaEnO+ggegtt4pWpqg8Ch0jNrkL1fb3Kzz7E34/K9dcTgaOymfF6qUKabQIDAQAB
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o4IBgDCCAXwwHwYDVR0lBBgwFgYKKwYBBAGCNwoDBgYIKwYBBQUHAwMwHQYDVR0O
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BBYEFBEciVg/vsVmKtr/hmHt7KM6g8lSMFIGA1UdEQRLMEmkRzBFMQ0wCwYDVQQL
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EwRNT1BSMTQwMgYDVQQFEysyMjk4NzkrMTQ3NDQ5YmUtMTVhOC00ZWJhLTkzZjMt
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ZDExMGE1YzQ1NTUyMB8GA1UdIwQYMBaAFKkpAjmOFsSXeM2Q+Z5PmuF8Va9TMFQG
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A1UdHwRNMEswSaBHoEWGQ2h0dHA6Ly93d3cubWljcm9zb2Z0LmNvbS9wa2lvcHMv
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Y3JsL01pY1dpblByb1BDQTIwMTFfMjAxMS0xMC0xOS5jcmwwYQYIKwYBBQUHAQEE
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VTBTMFEGCCsGAQUFBzAChkVodHRwOi8vd3d3Lm1pY3Jvc29mdC5jb20vcGtpb3Bz
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L2NlcnRzL01pY1dpblByb1BDQTIwMTFfMjAxMS0xMC0xOS5jcnQwDAYDVR0TAQH/
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BAIwADANBgkqhkiG9w0BAQsFAAOCAQEAvYC1iawgKoxXAotQXaN0lj1J5VX01/un
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7JybZF4sPMG4acoFT85Ao5U6TK5ATPB7yPUulAivp8908DwTGqN+Ju6iH+UkvAb+
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a/WcHVEMxQXK5eOFNE6yekUArBGbMNWlTFrpwklmVTnL9R+4aApTEe6ITT1KLDio
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5uFw98n5Sqgh+In073czyiTG7MVhBexbOfhgnciXoufeyhwy1pYgjouSqSQZs4bj
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cUwQTwGlS2Gd5a+3nblhjn+QhSszIo1K5n1udLPFWtn29BuGlSrtTXPv5OCfNtLO
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l2ec6CyjDQc6HcQBNCsbJVq6qGtQbYNE+ih+KhIU4tO5jf25xthf2g==
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-----END CERTIFICATE-----"""
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raw_cert = base64.decodestring(b"".join(windowscert.split(b"\n")[1:-1]))
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cert = windows.crypto.Certificate.from_buffer(raw_cert)
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print("Analysing certificate: {0}".format(cert))
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print(" * name: <{0}>".format(cert.name))
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print(" * issuer: <{0}>".format(cert.issuer))
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print(" * raw_serial: <{0}>".format(cert.raw_serial))
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print(" * serial: <{0}>".format(cert.serial))
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print(" * encoded start: <{0!r}>".format(cert.encoded[:20]))
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print("")
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chains = cert.chains
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print("This certificate has {0} certificate chain(s)".format(len(chains)))
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for i, chain in enumerate(chains):
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print("Chain {0}:".format(i))
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for ccert in chain:
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print(" {0}:".format(ccert))
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print(" * issuer: <{0}>".format(ccert.issuer))
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print ("")
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cert_to_verif = ccert
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print("Looking for <{0}> in trusted certificates".format(cert_to_verif.name))
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root_store = windows.crypto.CertificateStore.from_system_store("Root")
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# This is not the correct way verify the validity of a certificate chain.
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# I would say that if the goal is to verify the signature of the certificate: use wintrust.
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# (or maybe CertVerifyCertificateChainPolicy : https://msdn.microsoft.com/en-us/library/windows/desktop/aa377163(v=vs.85).aspx)
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matchs = [c for c in root_store.certs if c == cert_to_verif]
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print("matches = {0}".format(matchs))
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if matchs:
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print("Found it !")
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else:
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print("Not found :(")
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## Extract certificates of a PE file
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## This code is not a fixed API and the current state of my tests
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print ("")
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print ("== PE Analysis ==")
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TARGET_FILE = r"C:\windows\system32\ntdll.dll"
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print("Target sha1 = <{0}>".format(hashlib.sha1(open(TARGET_FILE, "rb").read()).hexdigest()))
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cryptobj = windows.crypto.CryptObject(TARGET_FILE)
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print("Analysing {0}".format(cryptobj))
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print("File has {0} signer(s):".format(cryptobj.crypt_msg.nb_signer))
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for i, signer in enumerate(cryptobj.crypt_msg.signers):
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print("Signer {0}:".format(i))
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print(" * Issuer: {0!r}".format(signer.Issuer.data))
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print(" * HashAlgorithme: {0}".format(signer.HashAlgorithm.pszObjId))
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cert = cryptobj.cert_store.find(signer.Issuer, signer.SerialNumber)
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print(" * Certificate: {0}".format(cert))
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print("")
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print("File embdeds {0} certificate(s):".format(cryptobj.crypt_msg.nb_cert))
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for i, certificate in enumerate(cryptobj.crypt_msg.certs):
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print(" * {0}) {1}".format(i, certificate)) |