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metasploit-framework
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Create template for SMB_FIND_FILE_BOTH_DIRECTORY_INFO

bug/bundler_fix
jvazquez-r7 2015-02-20 00:22:33 -06:00
parent 94ad64546c
commit 571dffa317
2 changed files with 60 additions and 31 deletions
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52
lib/msf/core/exploit/smb/server/share.rb
View File

@ -723,17 +723,17 @@ module Msf
if payload && payload.include?(file_name)
data = Rex::Text.to_unicode(file_name)
length = [exe_contents.length].pack("V")
length = exe_contents.length
ea = 0
alloc = "\x00\x00\x10\x00\x00\x00\x00\x00" # Allocation Size = 1048576 || 1Mb
attrib = "\x80\x00\x00\x00" # File
alloc = 1048576 # Allocation Size = 1048576 || 1Mb
attrib = CONST::SMB_EXT_FILE_ATTR_NORMAL
search = 1
elsif payload && payload == path_name
data = Rex::Text.to_unicode(path)
length = "\x00\x00\x00\x00"
length = 0
ea = 0x21
alloc = "\x00\x00\x00\x00\x00\x00\x00\x00" # 0Mb
attrib = "\x10\x00\x00\x00" # Dir
alloc = 0 # 0Mb
attrib = CONST::SMB_EXT_FILE_ATTR_DIRECTORY
pkt['Payload'].v['SetupCount'] = 0
search = 0x100
else
@ -741,13 +741,31 @@ module Msf
return
end
trans2_params = CONST::TRANS2_PARAMETERS.make_struct
trans2_params = CONST::SMB_TRANS2_PARAMETERS.make_struct
trans2_params.v['SID'] = 0xfffd
trans2_params.v['SearchCount'] = search
trans2_params.v['EndOfSearch'] = search
trans2_params.v['EaErrorOffset'] = ea
trans2_params.v['LastNameOffset'] = 0
find_file = CONST::SMB_FIND_FILE_BOTH_DIRECTORY_INFO_HDR.make_struct
find_file.v['NextEntryOffset'] = 94 + data.length
find_file.v['FileIndex'] = 0
find_file.v['loCreationTime'] = lo
find_file.v['hiCreationTime'] = hi
find_file.v['loLastAccessTime'] = lo
find_file.v['hiLastAccessTime'] = hi
find_file.v['loLastWriteTime'] = lo
find_file.v['hiLastWriteTime'] = hi
find_file.v['loLastChangeTime'] = lo
find_file.v['hiLastChangeTime'] = hi
find_file.v['EndOfFile'] = length
find_file.v['AllocationSize'] = alloc
find_file.v['ExtFileAttributes'] = attrib
find_file.v['EaSize'] = 0
find_file.v['Reserved'] = 0
find_file.v['FileName'] = data
pkt['Payload']['SMB'].v['Command'] = CONST::SMB_COM_TRANSACTION2
pkt['Payload']['SMB'].v['Flags1'] = 0x88
pkt['Payload']['SMB'].v['Flags2'] = FLAGS2
@ -762,22 +780,8 @@ module Msf
"\x00" + # Padding
trans2_params.to_s + # FIND_FIRST2 Parameters
"\x00\x00" + # Padding
find_file.to_s
#QUERY_PATH_INFO Data
[94 + data.length].pack("V") + # Next Entry Offset
"\x00\x00\x00\x00" + # File Index
[lo, hi].pack("VV") + # Created
[lo, hi].pack("VV") + # Last Access
[lo, hi].pack("VV") + # Last Write
[lo, hi].pack("VV") + # Change
length + "\x00\x00\x00\x00" + # End Of File
alloc +
attrib +
[data.length].pack("V") + # File name len
"\x00\x00\x00\x00" + # EA List Length
"\x00" + # Short file length
"\x00" + # Reserved
("\x00" * 24) +
data
c.put(pkt.to_s)
end
@ -806,7 +810,7 @@ module Msf
return
end
trans2_params = CONST::TRANS2_PARAMETERS.make_struct
trans2_params = CONST::SMB_TRANS2_PARAMETERS.make_struct
trans2_params.v['SID'] = 0xfffd
trans2_params.v['SearchCount'] = 1
trans2_params.v['EndOfSearch'] = 1
@ -873,7 +877,7 @@ module Msf
return
end
trans2_params = CONST::TRANS2_PARAMETERS.make_struct
trans2_params = CONST::SMB_TRANS2_PARAMETERS.make_struct
trans2_params.v['SID'] = 0xfffd
trans2_params.v['SearchCount'] = search
trans2_params.v['EndOfSearch'] = search

39
lib/rex/proto/smb/constants.rb
View File

@ -1089,13 +1089,38 @@ SMB_SEARCH_HDR_PKT = Rex::Struct2::CStructTemplate.new(
)
SMB_SEARCH_PKT = self.make_nbs(SMB_SEARCH_HDR_PKT)
# A SMB template for SMB TRANS2 parameters
TRANS2_PARAMETERS = Rex::Struct2::CStructTemplate.new(
[ 'uint16v', 'SID', 0 ],
[ 'uint16v', 'SearchCount', 0 ],
[ 'uint16v', 'EndOfSearch', 0 ],
[ 'uint16v', 'EaErrorOffset', 0 ],
[ 'uint16v', 'LastNameOffset', 0 ]
# A template for SMB TRANS2 parameters
SMB_TRANS2_PARAMETERS = Rex::Struct2::CStructTemplate.new(
['uint16v', 'SID', 0],
['uint16v', 'SearchCount', 0],
['uint16v', 'EndOfSearch', 0],
['uint16v', 'EaErrorOffset', 0],
['uint16v', 'LastNameOffset', 0]
)
# A template for SMB_FIND_FILE_BOTH_DIRECTORY_INFO Find information level
SMB_FIND_FILE_BOTH_DIRECTORY_INFO_HDR = Rex::Struct2::CStructTemplate.new(
['uint32v', 'NextEntryOffset', 0],
['uint32v', 'FileIndex', 0],
['uint32v', 'loCreationTime', 0],
['uint32v', 'hiCreationTime', 0],
['uint32v', 'loLastAccessTime', 0],
['uint32v', 'hiLastAccessTime', 0],
['uint32v', 'loLastWriteTime', 0],
['uint32v', 'hiLastWriteTime', 0],
['uint32v', 'loLastChangeTime', 0],
['uint32v', 'hiLastChangeTime', 0],
['uint64v', 'EndOfFile', 0],
['uint64v', 'AllocationSize', 0],
['uint32v', 'ExtFileAttributes', 0],
['uint32v', 'FileNameLength', 0],
['uint32v', 'EaSize', 0],
['uint8', 'ShortNameLength', 0],
['uint8', 'Reserved', 0],
['string', 'ShortName', 24, '', "\x00"],
['string', 'FileName', nil, '' ]
).create_restraints(
['FileName', 'FileNameLength', nil, true]
)
end