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Script – Certificats venant a expirer

 

Le script ci-dessous interroge le psdrive dédié au magasin de certificat local a la machine pour lister les certificats dont la date d’expiration approche (paramètre $expireInDays) et alerter si le nombre de certificats concernés depasse le seuil donné (Paramètre $NbThreshold).

Le parametre $blacklist permet d’exclure les certificats dont l'expiration est considéré OK (root & co, on Windows Server 2003, 2008 & 2012)

 

 

####################################################### # Script de supervision de la validité des certificats ####################################################### #Parametres: #$expireInDays - Nombre de jour avant expiration #$NbThreshold - Nombre de certificat au dela duquel alerter #N.B: Le script interroge le psdrive cert: local. param ( [int]$expireInDays=60, #Nombre de jour avant expiration [int]$NbThreshold = 0 #Nombre de certificat au dela duquel alerter ) $Scriptname = "check_ceritificate_expiration" #Verification de l'existence d'une source ayant le nom du script dans l'eventlog Application pour loguer certains events Function NewEventSource { if(!(Test-Path "HKLM:\SYSTEM\CurrentControlSet\services\eventlog\Application\$Scriptname")) { New-EventLog -LogName "Application" -Source $Scriptname } } # Exclusion des certificats tiers dont l'expiration est considéré OK (root & co, on Windows Server 2003, 2008 & 2012) $blacklist=@( "109F1CAED645BB78B3EA2B94C0697C740733031C", "12519AE9CD777A560184F1FBD54215222E95E71F", "127633A94F39CBF6EDF7C7BF64C4B535E9706E9A", "18F7C1FCC3090203FD5BAA2F861A754976C8DD25", "23EF3384E21F70F034C467D4CBA6EB61429F174E", "245C97DF7514E7CF2DF8BE72AE957B9E04741E85", "24A40A1F573643A67F0A4B0749F6A22BF28ABB6B", "24BA6D6C8A5B5837A48DB5FAE919EA675C94D217", "2B84BFBB34EE2EF949FE1CBE30AA026416EB2216", "3A850044D8A195CD401A680C012CB0A3B5F8DC08", "4463C531D7CCC1006794612BB656D3BF8257846F", "47AFB915CDA26D82467B97FA42914468726138DD", "4BA7B9DDD68788E12FF852E1A024204BF286A8F6", "4D8547B7F864132A7F62D9B75B068521F10B68E3", "4DF13947493CFF69CDE554881C5F114E97C3D03B", "4EF2E6670AC9B5091FE06BE0E5483EAAD6BA32D9", "4F65566336DB6598581D584A596C87934D5F2AB4", "51C3247D60F356C7CA3BAF4C3F429DAC93EE7B74", "53DECDF3BC1BDE7C9D1CEDAE718468CA20CC43E7", "587B59FB52D8A683CBE1CA00E6393D7BB923BC92", "5E997CA5945AAB75FFD14804A974BF2AE1DFE7E1", "637162CC59A3A1E25956FA5FA8F60D2E1C52EAC6", "6690C02B922CBD3FF0D0A5994DBD336592887E3F", "67EB337B684CEB0EC2B0760AB488278CDD9597DD", "687EC17E0602E3CD3F7DFBD7E28D57A0199A3F44", "688B6EB807E8EDA5C7B17C4393D0795F0FAE155F", "68ED18B309CD5291C0D3357C1D1141BF883866B1", "720FC15DDC27D456D098FABF3CDD78D31EF5A8DA", "7613BF0BA261006CAC3ED2DDBEF343425357F18B", "7A74410FB0CD5C972A364B71BF031D88A6510E9E", "7AC5FFF8DCBC5583176877073BF751735E9BD358", "7B02312BACC59EC388FEAE12FD277F6A9FB4FAC1", "7CA04FD8064C1CAA32A37AA94375038E8DF8DDC0", "7D7F4414CCEF168ADF6BF40753B5BECD78375931", "7F88CD7223F3C813818C994614A89C99FA3B5247", "838E30F77FDD14AA385ED145009C0E2236494FAA", "8977E8569D2A633AF01D0394851681CE122683A6", "8B24CD8D8B58C6DA72ACE097C7B1E3CEA4DC3DC6", "9078C5A28F9A4325C2A7C73813CDFE13C20F934E", "90DEDE9E4C4E9F6FD88617579DD391BC65A68964", "96974CD6B663A7184526B1D648AD815CF51E801A", "9845A431D51959CAF225322B4A4FE9F223CE6D15", "9BACF3B664EAC5A17BED08437C72E4ACDA12F7E7", "9FC796E8F8524F863AE1496D381242105F1B78F5", "A1505D9843C826DD67ED4EA5209804BDBB0DF502", "A399F76F0CBF4C9DA55E4AC24E8960984B2905B6", "A3E31E20B2E46A328520472D0CDE9523E7260C6D", "A5EC73D48C34FCBEF1005AEB85843524BBFAB727", "B19DD096DCD4E3E0FD676885505A672C438D4E9C", "B533345D06F64516403C00DA03187D3BFEF59156", "B6AF5BE5F878A00114C3D7FEF8C775C34CCD17B6", "B72FFF92D2CE43DE0A8D4C548C503726A81E2B93", "CFDEFE102FDA05BBE4C78D2E4423589005B2571D", "D29F6C98BEFC6D986521543EE8BE56CEBC288CF3", "DBAC3C7AA4254DA1AA5CAAD68468CB88EEDDEEA8", "E38A2B7663B86796436D8DF5898D9FAA6835B238", "EC0C3716EA9EDFADD35DFBD55608E60A05D3CBF3", "EF2DACCBEABB682D32CE4ABD6CB90025236C07BC", "F5A874F3987EB0A9961A564B669A9050F770308A", "F88015D3F98479E1DA553D24FD42BA3F43886AEF") #Recuperation des certificats dont: #l'objet PSParentPath ne contiens pas "Disallowed" #N'est pas dans la blacklist #N'est pas déja expiré #Expire dans $expireInDays jours $allCerts = Get-ChildItem -Path cert: -Recurse | where-object {$_.PSParentPath -notlike "*Disallowed" ` -and ($blacklist -notcontains $_.Thumbprint) ` -and $_.Notafter -gt (get-date) -and $_.Notafter -lt (get-date).AddDays($expireInDays) } | Select-Object -Property PSPath,Issuer,Subject,NotAfter if (@($allCerts | Measure-Object | Select-Object count -ExpandProperty count) -gt $NbThreshold) { write-host -ForegroundColor Yellow "WARNING" write-host -ForegroundColor Yellow "Nombre de certificat venant a expirer dans $expireInDays jours : "$allCerts.count" `n" #Formatage pour affichage et insertion dans l'eventlog [string]$resultat = $allCerts | foreach { $_.PsPath ; $_.Subject ; $_.Issuer ; $_.NotAfter ; "`n" ; "`n"} $resultat NewEventSource $count = $allCerts.count [string]$resultat = $allCerts | foreach { $_.PsPath ; $_.Subject ; $_.Issuer ; $_.NotAfter ; "`n" ; "`n"} Write-EventLog -LogName Application -Source $Scriptname -EntryType Warning -EventId 1001 -Message "WARNING - Nombre de certificat venant a expirer dans $expireInDays jours : $count `n`n ; $resultat " } Else { write-host -ForegroundColor Green "OK" write-host "Nombre de certificat venant a expirer dans $expireInDays jours inferieur ou egal a $NbThreshold" NewEventSource Write-EventLog -LogName Application -Source $Scriptname -EntryType Information -EventId 1000 -Message "OK - Nombre de certificat venant a expirer dans $expireInDays jours inferieur ou egal a $NbThreshold" }

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