Class SMB2_Session_Setup_Request

scapy/layers/smb2.py:2550–2585

class SMB2_Session_Setup_Request(_SMB2_Payload, _NTLMPayloadPacket):
    name = "SMB2 Session Setup Request"
    Command = 0x0001
    OFFSET = 24 + 64
    _NTLM_PAYLOAD_FIELD_NAME = "Buffer"
    fields_desc = [
        XLEShortField("StructureSize", 0x19),
        FlagsField("Flags", 0, -8, ["SMB2_SESSION_FLAG_BINDING"]),
        FlagsField("SecurityMode", 0, -8, SMB2_SECURITY_MODE),
        FlagsField("Capabilities", 0, -32, SMB2_CAPABILITIES),
        LEIntField("Channel", 0),
        XLEShortField("SecurityBlobBufferOffset", None),
        LEShortField("SecurityBlobLen", None),
        XLELongField("PreviousSessionId", 0),
        _NTLMPayloadField(
            "Buffer",
            OFFSET,
            [
                PacketField("SecurityBlob", None, GSSAPI_BLOB),
            ],
        ),
    ]

    def post_build(self, pkt, pay):
        # type: (bytes, bytes) -> bytes
        return (
            _SMB2_post_build(
                self,
                pkt,
                self.OFFSET,
                {
                    "SecurityBlob": 12,
                },
            )
            + pay
        )


bind_top_down(