Class: Rex::Proto::SMB::SimpleClient
- Inherits:
-
Object
- Object
- Rex::Proto::SMB::SimpleClient
- Defined in:
- lib/rex/proto/smb/simple_client.rb,
lib/rex/proto/smb/simple_client/open_file.rb,
lib/rex/proto/smb/simple_client/open_pipe.rb
Direct Known Subclasses
Defined Under Namespace
Constant Summary collapse
- CONST =
Some short-hand class aliases
Rex::Proto::SMB::Constants
- CRYPT =
Rex::Proto::SMB::Crypt
- UTILS =
Rex::Proto::SMB::Utils
- XCEPT =
Rex::Proto::SMB::Exceptions
- EVADE =
Rex::Proto::SMB::Evasions
Instance Attribute Summary collapse
-
#client ⇒ Object
Private accessors.
-
#direct ⇒ Object
Private accessors.
-
#last_error ⇒ Object
Public accessors.
-
#last_share ⇒ Object
Private accessors.
-
#server_max_buffer_size ⇒ Object
Public accessors.
-
#shares ⇒ Object
Private accessors.
-
#socket ⇒ Object
Private accessors.
-
#versions ⇒ Object
Private accessors.
Instance Method Summary collapse
- #connect(share) ⇒ Object
- #create_pipe(path, perm = 'o') ⇒ Object
- #delete(*args) ⇒ Object
- #disconnect(share) ⇒ Object
-
#initialize(socket, direct = false, versions = [1, 2, 3], always_encrypt: true, backend: nil, client: nil) ⇒ SimpleClient
constructor
Pass the socket object and a boolean indicating whether the socket is netbios or cifs.
- #login(name = '', user = '', pass = '', domain = '', verify_signature = false, usentlmv2 = false, usentlm2_session = true, send_lm = true, use_lanman_key = false, send_ntlm = true, native_os = 'Windows 2000 2195', native_lm = 'Windows 2000 5.0', spnopt = {}) ⇒ Object
- #login_split_next_ntlm1(user, domain, hash_lm, hash_nt) ⇒ Object
- #login_split_start_ntlm1(name = '') ⇒ Object
- #negotiated_smb_version ⇒ Object
- #open(path, perm, chunk_size = 48000, read: true, write: false) ⇒ Object
- #trans_pipe(fid, data, no_response = nil) ⇒ Object
Constructor Details
#initialize(socket, direct = false, versions = [1, 2, 3], always_encrypt: true, backend: nil, client: nil) ⇒ SimpleClient
Pass the socket object and a boolean indicating whether the socket is netbios or cifs
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# File 'lib/rex/proto/smb/simple_client.rb', line 26 def initialize(socket, direct = false, versions = [1, 2, 3], always_encrypt: true, backend: nil, client: nil) self.socket = socket self.direct = direct self.versions = versions self.shares = {} self.server_max_buffer_size = 1024 # 4356 (workstation) or 16644 (server) expected if !client.nil? self.client = client elsif (self.versions == [1] && backend.nil?) || backend == :rex self.client = Rex::Proto::SMB::Client.new(socket) elsif (backend.nil? || backend == :ruby_smb) self.client = RubySMB::Client.new(RubySMB::Dispatcher::Socket.new(self.socket, read_timeout: 60), username: '', password: '', smb1: self.versions.include?(1), smb2: self.versions.include?(2), smb3: self.versions.include?(3), always_encrypt: always_encrypt ) self.client.evasion_opts = { # Padding is performed between packet headers and data 'pad_data' => EVADE::EVASION_NONE, # File path padding is performed on all open/create calls 'pad_file' => EVADE::EVASION_NONE, # Modify the \PIPE\ string in trans_named_pipe calls 'obscure_trans_pipe' => EVADE::EVASION_NONE, } end end |
Instance Attribute Details
#client ⇒ Object
Private accessors
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# File 'lib/rex/proto/smb/simple_client.rb', line 23 def client @client end |
#direct ⇒ Object
Private accessors
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# File 'lib/rex/proto/smb/simple_client.rb', line 23 def direct @direct end |
#last_error ⇒ Object
Public accessors
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# File 'lib/rex/proto/smb/simple_client.rb', line 20 def last_error @last_error end |
#last_share ⇒ Object
Private accessors
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# File 'lib/rex/proto/smb/simple_client.rb', line 23 def last_share @last_share end |
#server_max_buffer_size ⇒ Object
Public accessors
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# File 'lib/rex/proto/smb/simple_client.rb', line 20 def server_max_buffer_size @server_max_buffer_size end |
#shares ⇒ Object
Private accessors
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# File 'lib/rex/proto/smb/simple_client.rb', line 23 def shares @shares end |
#socket ⇒ Object
Private accessors
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# File 'lib/rex/proto/smb/simple_client.rb', line 23 def socket @socket end |
#versions ⇒ Object
Private accessors
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# File 'lib/rex/proto/smb/simple_client.rb', line 23 def versions @versions end |
Instance Method Details
#connect(share) ⇒ Object
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# File 'lib/rex/proto/smb/simple_client.rb', line 172 def connect(share) ok = self.client.tree_connect(share) if self.client.is_a?(RubySMB::Client) tree_id = ok.id else tree_id = ok['Payload']['SMB'].v['TreeID'] end self.shares[share] = tree_id self.last_share = share end |
#create_pipe(path, perm = 'o') ⇒ Object
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# File 'lib/rex/proto/smb/simple_client.rb', line 235 def create_pipe(path, perm = 'o') disposition = UTILS.create_mode_to_disposition(perm) ok = self.client.create_pipe(path, disposition) if self.client.is_a?(RubySMB::Client) file_id = ok else file_id = ok['Payload'].v['FileID'] end fh = OpenPipe.new(self.client, path, self.client.last_tree_id, file_id, self.versions) end |
#delete(*args) ⇒ Object
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# File 'lib/rex/proto/smb/simple_client.rb', line 227 def delete(*args) if self.client.is_a?(RubySMB::Client) self.client.delete(args[0]) else self.client.delete(*args) end end |
#disconnect(share) ⇒ Object
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# File 'lib/rex/proto/smb/simple_client.rb', line 185 def disconnect(share) if self.shares[share] ok = self.client.tree_disconnect(self.shares[share]) self.shares.delete(share) return ok end false end |
#login(name = '', user = '', pass = '', domain = '', verify_signature = false, usentlmv2 = false, usentlm2_session = true, send_lm = true, use_lanman_key = false, send_ntlm = true, native_os = 'Windows 2000 2195', native_lm = 'Windows 2000 5.0', spnopt = {}) ⇒ Object
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# File 'lib/rex/proto/smb/simple_client.rb', line 58 def login(name = '', user = '', pass = '', domain = '', verify_signature = false, usentlmv2 = false, usentlm2_session = true, send_lm = true, use_lanman_key = false, send_ntlm = true, native_os = 'Windows 2000 2195', native_lm = 'Windows 2000 5.0', spnopt = {}) begin if (self.direct != true) self.client.session_request(name) end self.client.native_os = native_os self.client.native_lm = native_lm self.client.verify_signature = verify_signature self.client.use_ntlmv2 = usentlmv2 self.client.usentlm2_session = usentlm2_session self.client.send_lm = send_lm self.client.use_lanman_key = use_lanman_key self.client.send_ntlm = send_ntlm dlog("SMB version(s) to negotiate: #{self.versions}") ok = self.client.negotiate dlog("Negotiated SMB version: SMB#{negotiated_smb_version}") if self.client.is_a?(RubySMB::Client) self.server_max_buffer_size = self.client.server_max_buffer_size else self.server_max_buffer_size = ok['Payload'].v['MaxBuff'] end # Disable NTLMv2 Session for Windows 2000 (breaks authentication on some systems) # XXX: This in turn breaks SMB auth for Windows 2000 configured to enforce NTLMv2 # XXX: Tracked by ticket #4785#4785 if self.client.native_lm =~ /Windows 2000 5\.0/ and usentlm2_session # self.client.usentlm2_session = false end self.client.spnopt = spnopt # In case the user unsets the username or password option, we make sure this is # always a string user ||= '' pass ||= '' res = self.client.session_setup(user, pass, domain) rescue ::Interrupt raise $! rescue ::Exception => e elog(e) n = XCEPT::LoginError.new n.source = e if e.respond_to?('error_code') && e.respond_to?('get_error') n.error_code = e.error_code n.error_reason = e.get_error(e.error_code) end raise n end # RubySMB does not raise any exception if the Session Setup fails if self.client.is_a?(RubySMB::Client) && res != WindowsError::NTStatus::STATUS_SUCCESS n = XCEPT::LoginError.new n.source = res n.error_code = res.value n.error_reason = res.name raise n end return true end |
#login_split_next_ntlm1(user, domain, hash_lm, hash_nt) ⇒ Object
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# File 'lib/rex/proto/smb/simple_client.rb', line 154 def login_split_next_ntlm1(user, domain, hash_lm, hash_nt) begin ok = self.client.session_setup_no_ntlmssp_prehash(user, domain, hash_lm, hash_nt) rescue ::Interrupt raise $! rescue ::Exception => e n = XCEPT::LoginError.new n.source = e if(e.respond_to?('error_code')) n.error_code = e.error_code n.error_reason = e.get_error(e.error_code) end raise n end return true end |
#login_split_start_ntlm1(name = '') ⇒ Object
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# File 'lib/rex/proto/smb/simple_client.rb', line 128 def login_split_start_ntlm1(name = '') begin if (self.direct != true) self.client.session_request(name) end # Disable extended security self.client.negotiate(false) rescue ::Interrupt raise $! rescue ::Exception => e n = XCEPT::LoginError.new n.source = e if(e.respond_to?('error_code')) n.error_code = e.error_code n.error_reason = e.get_error(e.error_code) end raise n end return true end |
#negotiated_smb_version ⇒ Object
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# File 'lib/rex/proto/smb/simple_client.rb', line 252 def negotiated_smb_version return 1 if self.client.is_a?(Rex::Proto::SMB::Client) self.client.negotiated_smb_version || -1 end |
#open(path, perm, chunk_size = 48000, read: true, write: false) ⇒ Object
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# File 'lib/rex/proto/smb/simple_client.rb', line 194 def open(path, perm, chunk_size = 48000, read: true, write: false) if self.client.is_a?(RubySMB::Client) mode = 0 if perm.include?('c') if perm.include?('o') mode = RubySMB::Dispositions::FILE_OPEN_IF elsif perm.include?('t') mode = RubySMB::Dispositions::FILE_OVERWRITE_IF else mode = RubySMB::Dispositions::FILE_CREATE end else if perm.include?('o') mode = RubySMB::Dispositions::FILE_OPEN elsif perm.include?('t') mode = RubySMB::Dispositions::FILE_OVERWRITE end end file_id = self.client.open(path, mode, read: true, write: write || perm.include?('w')) else mode = UTILS.open_mode_to_mode(perm) access = UTILS.open_mode_to_access(perm) ok = self.client.open(path, mode, access) file_id = ok['Payload'].v['FileID'] end fh = OpenFile.new(self.client, path, self.client.last_tree_id, file_id, self.versions) fh.chunk_size = chunk_size fh end |
#trans_pipe(fid, data, no_response = nil) ⇒ Object
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# File 'lib/rex/proto/smb/simple_client.rb', line 248 def trans_pipe(fid, data, no_response = nil) client.trans_named_pipe(fid, data, no_response) end |