Documentation
¶
Overview ¶
Package pac implements Microsoft Privilege Attribute Certificate (PAC) processing.
Index ¶
Constants ¶
const ( USERFLAG_GUEST = 31 // Authentication was done via the GUEST account; no password was used. USERFLAG_NO_ENCRYPTION_AVAILABLE = 30 // No encryption is available. USERFLAG_LAN_MANAGER_KEY = 28 // LAN Manager key was used for authentication. USERFLAG_SUB_AUTH = 25 // Sub-authentication used; session key came from the sub-authentication package. USERFLAG_EXTRA_SIDS = 26 // Indicates that the ExtraSids field is populated and contains additional SIDs. USERFLAG_MACHINE_ACCOUNT = 24 // Indicates that the account is a machine account. USERFLAG_DC_NTLM2 = 23 // Indicates that the domain controller understands NTLMv2. USERFLAG_RESOURCE_GROUPIDS = 22 // Indicates that the ResourceGroupIds field is populated. USERFLAG_PROFILEPATH = 21 // Indicates that ProfilePath is populated. USERFLAG_NTLM2_NTCHALLENGERESP = 20 // The NTLMv2 response from the NtChallengeResponseFields ([MS-NLMP] section 2.2.1.3) was used for authentication and session key generation. USERFLAG_LM2_LMCHALLENGERESP = 19 // The LMv2 response from the LmChallengeResponseFields ([MS-NLMP] section 2.2.1.3) was used for authentication and session key generation. USERFLAG_AUTH_LMCHALLENGERESP_KEY_NTCHALLENGERESP = 18 // The LMv2 response from the LmChallengeResponseFields ([MS-NLMP] section 2.2.1.3) was used for authentication and the NTLMv2 response from the NtChallengeResponseFields ([MS-NLMP] section 2.2.1.3) was used session key generation. )
KERB_VALIDATION_INFO flags.
const ( // NTLMSupCredLMOWF indicates that the LM OWF member is present and valid. NTLMSupCredLMOWF uint32 = 31 // NTLMSupCredNTOWF indicates that the NT OWF member is present and valid. NTLMSupCredNTOWF uint32 = 30 )
Variables ¶
This section is empty.
Functions ¶
This section is empty.
Types ¶
type ClientClaimsInfo ¶
type ClientClaimsInfo struct {
ClaimsSetMetadata mstypes.ClaimsSetMetadata
ClaimsSet mstypes.ClaimsSet
}
ClientClaimsInfo implements https://msdn.microsoft.com/en-us/library/hh536365.aspx
func (*ClientClaimsInfo) Unmarshal ¶
func (k *ClientClaimsInfo) Unmarshal(b []byte) (err error)
Unmarshal bytes into the ClientClaimsInfo struct
type ClientInfo ¶
type ClientInfo struct {
ClientID mstypes.FileTime // A FILETIME structure in little-endian format that contains the Kerberos initial ticket-granting ticket TGT authentication time
NameLength uint16 // An unsigned 16-bit integer in little-endian format that specifies the length, in bytes, of the Name field.
Name string // An array of 16-bit Unicode characters in little-endian format that contains the client's account name.
}
ClientInfo implements https://msdn.microsoft.com/en-us/library/cc237951.aspx
func (*ClientInfo) Unmarshal ¶
func (k *ClientInfo) Unmarshal(b []byte) (err error)
Unmarshal bytes into the ClientInfo struct
type CredentialData ¶
type CredentialData struct {
CredentialCount uint32
Credentials []SECPKGSupplementalCred // Size is the value of CredentialCount
}
CredentialData implements https://msdn.microsoft.com/en-us/library/cc237952.aspx This structure is encrypted prior to being encoded in any other structures. Encryption is performed by first serializing the data structure via Network Data Representation (NDR) encoding, as specified in [MS-RPCE]. Once serialized, the data is encrypted using the key and cryptographic system selected through the AS protocol and the KRB_AS_REP message Fields (for capturing this information) and cryptographic parameters are specified in PAC_CREDENTIAL_INFO (section 2.6.1).
func (*CredentialData) Unmarshal ¶
func (c *CredentialData) Unmarshal(b []byte) (err error)
Unmarshal converts the bytes provided into a CredentialData type.
type CredentialsInfo ¶
type CredentialsInfo struct {
Version uint32 // A 32-bit unsigned integer in little-endian format that defines the version. MUST be 0x00000000.
EType uint32
PACCredentialDataEncrypted []byte // Key usage number for encryption: KERB_NON_KERB_SALT (16)
PACCredentialData CredentialData
}
CredentialsInfo implements https://msdn.microsoft.com/en-us/library/cc237953.aspx
func (*CredentialsInfo) DecryptEncPart ¶
func (c *CredentialsInfo) DecryptEncPart(k types.EncryptionKey) error
DecryptEncPart decrypts the encrypted part of the CredentialsInfo.
func (*CredentialsInfo) Unmarshal ¶
func (c *CredentialsInfo) Unmarshal(b []byte, k types.EncryptionKey) (err error)
Unmarshal bytes into the CredentialsInfo struct
type DeviceClaimsInfo ¶
type DeviceClaimsInfo struct {
ClaimsSetMetadata mstypes.ClaimsSetMetadata
ClaimsSet mstypes.ClaimsSet
}
DeviceClaimsInfo implements https://msdn.microsoft.com/en-us/library/hh554226.aspx
func (*DeviceClaimsInfo) Unmarshal ¶
func (k *DeviceClaimsInfo) Unmarshal(b []byte) (err error)
Unmarshal bytes into the ClientClaimsInfo struct
type DeviceInfo ¶
type DeviceInfo struct {
UserID uint32 // A 32-bit unsigned integer that contains the RID of the account. If the UserId member equals 0x00000000, the first group SID in this member is the SID for this account.
PrimaryGroupID uint32 // A 32-bit unsigned integer that contains the RID for the primary group to which this account belongs.
AccountDomainID mstypes.RPCSID `ndr:"pointer"` // A SID structure that contains the SID for the domain of the account.This member is used in conjunction with the UserId, and GroupIds members to create the user and group SIDs for the client.
AccountGroupCount uint32 // A 32-bit unsigned integer that contains the number of groups within the account domain to which the account belongs
AccountGroupIDs []mstypes.GroupMembership `ndr:"pointer,conformant"` // A pointer to a list of GROUP_MEMBERSHIP (section 2.2.2) structures that contains the groups to which the account belongs in the account domain. The number of groups in this list MUST be equal to GroupCount.
SIDCount uint32 // A 32-bit unsigned integer that contains the total number of SIDs present in the ExtraSids member.
ExtraSIDs []mstypes.KerbSidAndAttributes `ndr:"pointer,conformant"` // A pointer to a list of KERB_SID_AND_ATTRIBUTES structures that contain a list of SIDs corresponding to groups not in domains. If the UserId member equals 0x00000000, the first group SID in this member is the SID for this account.
DomainGroupCount uint32 // A 32-bit unsigned integer that contains the number of domains with groups to which the account belongs.
DomainGroup []mstypes.DomainGroupMembership `ndr:"pointer,conformant"` // A pointer to a list of DOMAIN_GROUP_MEMBERSHIP structures (section 2.2.3) that contains the domains to which the account belongs to a group. The number of sets in this list MUST be equal to DomainCount.
}
DeviceInfo implements https://msdn.microsoft.com/en-us/library/hh536402.aspx
func (*DeviceInfo) Unmarshal ¶
func (k *DeviceInfo) Unmarshal(b []byte) (err error)
Unmarshal bytes into the DeviceInfo struct
type InfoBuffer ¶
type InfoBuffer struct {
ULType uint32 // A 32-bit unsigned integer in little-endian format that describes the type of data present in the buffer contained at Offset.
CBBufferSize uint32 // A 32-bit unsigned integer in little-endian format that contains the size, in bytes, of the buffer in the PAC located at Offset.
Offset uint64 // A 64-bit unsigned integer in little-endian format that contains the offset to the beginning of the buffer, in bytes, from the beginning of the PACTYPE structure. The data offset MUST be a multiple of eight. The following sections specify the format of each type of element.
}
InfoBuffer implements the PAC Info Buffer: https://msdn.microsoft.com/en-us/library/cc237954.aspx
type KerbValidationInfo ¶
type KerbValidationInfo struct {
LogOnTime mstypes.FileTime
LogOffTime mstypes.FileTime
KickOffTime mstypes.FileTime
PasswordLastSet mstypes.FileTime
PasswordCanChange mstypes.FileTime
PasswordMustChange mstypes.FileTime
EffectiveName mstypes.RPCUnicodeString
FullName mstypes.RPCUnicodeString
LogonScript mstypes.RPCUnicodeString
ProfilePath mstypes.RPCUnicodeString
HomeDirectory mstypes.RPCUnicodeString
HomeDirectoryDrive mstypes.RPCUnicodeString
LogonCount uint16
BadPasswordCount uint16
UserID uint32
PrimaryGroupID uint32
GroupCount uint32
GroupIDs []mstypes.GroupMembership `ndr:"pointer,conformant"`
UserFlags uint32
UserSessionKey mstypes.UserSessionKey
LogonServer mstypes.RPCUnicodeString
LogonDomainName mstypes.RPCUnicodeString
LogonDomainID mstypes.RPCSID `ndr:"pointer"`
Reserved1 [2]uint32 // Has 2 elements
UserAccountControl uint32
SubAuthStatus uint32
LastSuccessfulILogon mstypes.FileTime
LastFailedILogon mstypes.FileTime
FailedILogonCount uint32
Reserved3 uint32
SIDCount uint32
ExtraSIDs []mstypes.KerbSidAndAttributes `ndr:"pointer,conformant"`
ResourceGroupDomainSID mstypes.RPCSID `ndr:"pointer"`
ResourceGroupCount uint32
ResourceGroupIDs []mstypes.GroupMembership `ndr:"pointer,conformant"`
}
KerbValidationInfo implement https://msdn.microsoft.com/en-us/library/cc237948.aspx The KERB_VALIDATION_INFO structure defines the user's logon and authorization information provided by the DC. The KERB_VALIDATION_INFO structure is a subset of the NETLOGON_VALIDATION_SAM_INFO4 structure ([MS-NRPC] section 2.2.1.4.13). It is a subset due to historical reasons and to the use of the common Active Directory to generate this information. The KERB_VALIDATION_INFO structure is marshaled by RPC [MS-RPCE].
func (*KerbValidationInfo) GetGroupMembershipSIDs ¶
func (k *KerbValidationInfo) GetGroupMembershipSIDs() []string
GetGroupMembershipSIDs returns a slice of strings containing the group membership SIDs found in the PAC.
func (*KerbValidationInfo) Unmarshal ¶
func (k *KerbValidationInfo) Unmarshal(b []byte) (err error)
Unmarshal bytes into the DeviceInfo struct
type NTLMSupplementalCred ¶
type NTLMSupplementalCred struct {
Version uint32 // A 32-bit unsigned integer that defines the credential version.This field MUST be 0x00000000.
Flags uint32
LMPassword []byte // A 16-element array of unsigned 8-bit integers that define the LM OWF. The LMPassword member MUST be ignored if the L flag is not set in the Flags member.
NTPassword []byte // A 16-element array of unsigned 8-bit integers that define the NT OWF. The NTPassword member MUST be ignored if the N flag is not set in the Flags member.
}
NTLMSupplementalCred implements https://msdn.microsoft.com/en-us/library/cc237949.aspx
func (*NTLMSupplementalCred) Unmarshal ¶
func (c *NTLMSupplementalCred) Unmarshal(b []byte) (err error)
Unmarshal converts the bytes provided into a NTLMSupplementalCred.
type PACType ¶
type PACType struct {
CBuffers uint32
Version uint32
Buffers []InfoBuffer
Data []byte
KerbValidationInfo *KerbValidationInfo
CredentialsInfo *CredentialsInfo
ServerChecksum *SignatureData
KDCChecksum *SignatureData
ClientInfo *ClientInfo
S4UDelegationInfo *S4UDelegationInfo
UPNDNSInfo *UPNDNSInfo
ClientClaimsInfo *ClientClaimsInfo
DeviceInfo *DeviceInfo
DeviceClaimsInfo *DeviceClaimsInfo
ZeroSigData []byte
}
PACType implements: https://msdn.microsoft.com/en-us/library/cc237950.aspx
func (*PACType) ProcessPACInfoBuffers ¶
ProcessPACInfoBuffers processes the PAC Info Buffers. https://msdn.microsoft.com/en-us/library/cc237954.aspx
type S4UDelegationInfo ¶
type S4UDelegationInfo struct {
S4U2proxyTarget mstypes.RPCUnicodeString // The name of the principal to whom the application can forward the ticket.
TransitedListSize uint32
S4UTransitedServices []mstypes.RPCUnicodeString `ndr:"pointer,conformant"` // List of all services that have been delegated through by this client and subsequent services or servers.. Size is value of TransitedListSize
}
S4UDelegationInfo implements https://msdn.microsoft.com/en-us/library/cc237944.aspx
func (*S4UDelegationInfo) Unmarshal ¶
func (k *S4UDelegationInfo) Unmarshal(b []byte) (err error)
Unmarshal bytes into the S4UDelegationInfo struct
type SECPKGSupplementalCred ¶
type SECPKGSupplementalCred struct {
PackageName mstypes.RPCUnicodeString
CredentialSize uint32
Credentials []uint8 `ndr:"pointer,conformant"` // Is a ptr. Size is the value of CredentialSize
}
SECPKGSupplementalCred implements https://msdn.microsoft.com/en-us/library/cc237956.aspx The SECPKG_SUPPLEMENTAL_CRED structure defines the name of the security package that requires supplemental credentials and the credential buffer for that package. The SECPKG_SUPPLEMENTAL_CRED structure is marshaled by RPC.
func (*SECPKGSupplementalCred) Unmarshal ¶
func (c *SECPKGSupplementalCred) Unmarshal(b []byte) (err error)
Unmarshal converts the bytes provided into a SECPKGSupplementalCred.
type SignatureData ¶
type SignatureData struct {
SignatureType uint32 // A 32-bit unsigned integer value in little-endian format that defines the cryptographic system used to calculate the checksum. This MUST be one of the following checksum types: KERB_CHECKSUM_HMAC_MD5 (signature size = 16), HMAC_SHA1_96_AES128 (signature size = 12), HMAC_SHA1_96_AES256 (signature size = 12).
Signature []byte // Size depends on the type. See comment above.
RODCIdentifier uint16 // A 16-bit unsigned integer value in little-endian format that contains the first 16 bits of the key version number ([MS-KILE] section 3.1.5.8) when the KDC is an RODC. When the KDC is not an RODC, this field does not exist.
}
SignatureData implements https://msdn.microsoft.com/en-us/library/cc237955.aspx
type UPNDNSInfo ¶
type UPNDNSInfo struct {
UPNLength uint16 // An unsigned 16-bit integer in little-endian format that specifies the length, in bytes, of the UPN field.
UPNOffset uint16 // An unsigned 16-bit integer in little-endian format that contains the offset to the beginning of the buffer, in bytes, from the beginning of the UPN_DNS_INFO structure.
DNSDomainNameLength uint16
DNSDomainNameOffset uint16
Flags uint32
UPN string
DNSDomain string
}
UPNDNSInfo implements https://msdn.microsoft.com/en-us/library/dd240468.aspx
func (*UPNDNSInfo) Unmarshal ¶
func (k *UPNDNSInfo) Unmarshal(b []byte) (err error)
Unmarshal bytes into the UPN_DNSInfo struct
Source Files