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be completed without rebooting the VM, note this in the Lab Manual. Add NO_GW switch to start.config to disable default gateways on containers. Metasploit lab, crashes host VM if runs as privileged; long delays on su if systemd enabled; so run without systemd. Remove use of database from lab manual, configure to use new no_gw switch Update file headers for licensing/terms; add consolidated license file. Modify publish.py to default to use of test registry, use -d to force use of default_registry Revise source control procedures to use different test registry for each branch, and use a premaster branch for final testing of a release. October 9, 2019 Remove dnsmasq from dns component in the dmz-lab. Was causing bind to fail on some installations. October 8, 2019 Syntax error in test registry setup; lab designer info on large files; fetch bigexternal.txt files September 30, 2019 DockerHub registry retrieval again failing for some users. Ignore html prefix to json. September 20, 2019 Assessment of onewayhash should allow hmac operations on file of student's choosing. September 5, 2019 Rebuild metasploit lab, metasploit-framework (https://www.kitploit.com/search/label/Metasploit-Framework) exhibited a bug. And the labs "treataslocal" file was left out of the move from svn. Fix type in metasploit lab manual. August 30, 2019 Revert test for existence of container directories, they do not always exist. August 29, 2019 Lab image pulls from docker hub failed due to change in github or curl? Catch rediret to cloudflare. Addition of GNS3 support. Fix to dmz-lab dnssec. July 11, 2019 Automated assessment for CentOS6 containers, fix for firefox memory issue, support arbitrary docker create arguments in the start.config file. June 6, 2019 Introduce a Centos6 base, but not support for automated assessment yet May 23, 2019 Automated assessment of setuid-env failed due to typos in field seperators. May 8, 2019 Corrections to Capabilities lab manual May 2, 2019 Acl lab fix to bobstuff.txt permissions. Use explicit chmod in fixlocal.sh Revise student guide to clarify use of stop and -r option in body of the manual. March 9, 2019 The checkwork function was reusing containers, thereby preventing students from eliminating artifacts from previous lab work. Add appendix to the symkey lab to describe the BMP image format. February 22, 2019 The http server failed to start in the vpn and vpn2 labs. Automated assessment removed from those labs until reworked. January 7, 2019 Fix gdblesson automated assessment to at least be operational. January 27, 2019 Fix lab manual for routing-basics2 and fix routing to enable external access to internal web server. December 29, 2018 Fix routing-basics2, same issues as routing-basics, plus an incorret ip address in the gateway resolv.conf December 5, 2018 Fix routing-basics lab, dns resolution at isp and gatway components was broken. November 14, 2018 Remove /run/nologin from archive machine in backups2 -- need general solution for this nologin issue November, 5, 2018 Change file-integrity lab default aid.conf to track metadata changes rather than file modification times October 22, 2018 macs-hash lab resolution verydodgy.com failed on lab restart Notify function failed if notify_cb.sh is missing October 12, 2018 Set ulimit on file size, limit to 1G October 10, 2018 Force collection of parameterized files Explicitly include leafpad and ghex in centos-xtra baseline and rebuild dependent images. September 28, 2018 Fix access modes of shared file in ACL lab Clarify question in pass-crack Modify artifact collection to ignore files older than start of lab. Add quantum computing algorithms lab September 12, 2018 Fix setuid-env grading syntax errors Fix syntax error in iptables2 example firewall rules Rebuild centos labs, move lamp derivatives to

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use lamp.xtr for waitparam and force httpd to wait for that to finish. September 7, 2018 Add CyberCIEGE as a lab read_pre.txt information display prior to pull of images, and chance to bail. September 5, 2018 Restore sakai bulk download processing to gradelab function. Remove unused instructor scripts. September 4, 2018 Allow multiple IP addresses per network interface Add base image for Wine Add GRFICS virtual ICS simulation August 23, 2018 Add GrassMarlin lab (ICS network discovery) August 23, 2018 Add GrassMarlin lab (ICS network discovery) August 21, 2018 Another fix around AWS authentication issues (DockerHub uses AWS). Fix new_lab_setup.py to use git instead of svn. Split plc-forensics lab into a basic lab and and advanced lab (plc-forensics-adv) August 17, 2018 Transition to git & GitHub as authoritative repo. August 15, 2018 Modify plc-forensics lab assessment to be more general; revise lab manual to reflect wireshark on the Labtainer. August 15, 2018 Add "checkwork" command allowing students to view automated assessment results for their lab work. Include logging of iptables packet drops in the iptables2 and the iptables-ics lab. Remove obsolete instances of is_true and is_false from goal.config Fix boolean evaluation to handle "NOT foo", it had expected more operands. August 9, 2018 Support parameter replacement in results.config files Add TIME_DELIM result type for results.config Rework the iptables lab, remove hidden nmap commands, introduce custom service August 7, 2018 Add link to student guide in labtainer-student directory Add link to student guide on VM desktops Fixes to iptables-ics to avoid long delay on shutdown; and fixes to regression tests Add note to guides suggesting student use of VM browser to transfer artifact zip file to instructor. August 1, 2018 Use a generic Docker image for automated assessment; stop creating "instructor" images per lab. July 30, 2018 Document need to unblock the waitparam.service (by creating flag directory) if a fixlocal.sh script is to start a service for which waitparam is a prerequisite. Add plc-app lab for PLC application firewall and whitelisting exercise. July 25, 2018 Add string_contains operator to goals processing Modify assessment of formatstring lab to account for leaked secret not always being at the end of the displayed string. July 24, 2018 Add SSH Agent lab (ssh-agent) July 20, 2018 Support offline building, optionally skip all image pulling Restore apt/yum repo restoration to Dockerfile templates. Handle redirect URL's from Docker registry blob retrieval to avoid authentication errors (Do not rely on curl --location). July 12, 2018 Add prestop feature to allow execution of designer-specified scripts on selected components prior to lab shutdown. Correct host naming in the ssl lab, it was breaking automated assessment. Fix dmz-lab initial state to permit DNS resolutions from inner network. FILE\REGEX processing was not properly handling multiline searches. Framework version derived from newly rebuilt images had incorrect default value. July 10, 2018 Add an LDAP lab Complete transition to systemd based Ubuntu images, remove unused files Move lab_sys tar file to per-container tmp directory for concurrency. July 6, 2018 All Ubuntu base images replaced with versions based on systemd Labtainer container images in registry now tagged with base image ID & have labels reflecting the base image. A given installation will pull and use images that are consistent with the base images it possesses. If you are using a VM image, you may want to replace that with a newer VM image from our website. New labs will not run without downloading newer base images; which can lead to your VM storing multiple versions of large base images (> 500 MB each). Was losing artifacts from processes that were running when lab was stopped -- was

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not properly killing capinout processes. June 27, 2018 Add support for Ubuntu systemd images Remove old copy of SimLab.py from labtainer-student/bin Move apt and yum sources to /var/tmp Clarify differences between use of "boolean" and "count_greater" in assessments Extend Add-HOST in start.config to include all components on a network. Add option to new_lab_setup.py to add a container based on a copy of an existing container. June 21, 2018 Set DISPLAY env for root Fix to build dependency handling of svn status output Add radius lab Bug in SimLab append corrected Use svn, where appropriate, to change file names with new_lab_setup.py June 19, 2018 Retain order of containers defined in start.conf when creating terminal with multiple tabs Clarify designer manual to identify path to assessment configuration files. Remove prompt for instructor to provide email Botched error checking when testing for version number Include timestamps of lab starts and redos in the assessment json Add an SSL lab that includes bi-directional authentication and creation of certificates. June 14, 2018 Add diagnostics to parameterizing, track down why some install seem to fail on that. If a container is already created, make sure it is parameterized, otherwise bail to avoid corrupt or half-baked containers. Fix program version number to use svn HEAD June 15, 2018 Convert plain text instructions that appeared in xterms into pdf file. Fix bug in version handling of images that have not yet been pulled. Detect occurance of a container that was created, but not parameterized, and prompt the user to restart the lab with the "-r" option. Add designer utility: rm_svn.py so that removed files trigger an image rebuild. June 13, 2018 Install xterm on Ubuntu 18 systems Work around breakage in new versions of gnome-terminal tab handling June 11, 2018 Add version checking to compare images to the framework. Clarify various lab manuals June 2, 2018 When installing on Ubuntu 18, use docker.io instead of docker-ce The capinout caused a crash when a "sudo su" monitored command is followed by a non-elevated user command. Move routing and resolv.conf settings into /etc/rc.local instead of fixlocal.sh so they persist across start/stop of the containers. May 31, 2018 Work around Docker bug that caused text to wrap in a terminal without a line feed. Extend COMMAND_COUNT to account for pipes Create new version of backups lab that includes backups to a remote server and backs up an entire partition. Alter sshlab instructions to use ssh-copy-id utility Delte /run/nologin file from parameterize.sh to permit ssh login on CentOS May 30, 2018 Extended new_lab_setup.py to permit identification of the base image to use Create new version of centos-log that includes centralized logging. Assessment validation was not accepting "time_not_during" option. Begin to integrate Labtainer Master for managing Labtainers from a Docker container. May 25, 2018 Remove 10 second sleeps from various services. Was delaying xinetd responses, breaking automated tests. Fix snort lab grading to only require "CONFIDENTIAL" in the alarm. Remove unused files from lab. Program finish times were not recorded if the program was running when the lab was stopped. May 21, 2018 Fix retlibc grading to remove duplicate goal, was failing automated assessment Remove copies of mynotify.py from individual labs and lab template, it is has been part of lab_sys/sbin, but had not been updated to reflect fixes made for acl lab. May 18, 2018 Mask signal message from exec_wrap so that segv error message looks right. The capinout was sometimes losing stdout, check command stdout on death of cmd. Fix grading of formatstring to catch segmentation fault message. Add type_function feature to SimLab to type stdout of a script (see formatstring simlab). Remove SimLab limitation on combining single/double

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quotes. Add window_wait directive to SimLab to pause until window with given title can be found. Modify plc lab to alter titles on physical world terminal to reflect status, this also makes testing easier. Fix bufoverflow lab manual link. May 15, 2018 Add appendix on use of the SimLab tool to simulate user performance of labs for regression testing and lab development. Add wait_net function to SimLab to pause until selected network connections terminate. Change acl automated assessment to use FILE_REGEX for multiline matching. SimLab test for xsite lab. May 11, 2018 Add "noskip" file to force collection of files otherwise found in home.tar, needed for retrieving Firefox places.sqlite. Merge sqlite database with write ahead buffer before extracting. Corrections to lab manual for the symkeylab Grading additions for symkeylab and pubkey Improvements to simlab tool: support include, fix window naming. May 9, 2018 Fix parameterization of the file-deletion lab. Correct error its lab manual. Replace use of shell=True in python scripts to reduce processes and allow tracking PIDs Clean up manuals for backups, pass-crack and macs-hash. May 8, 2018 Handle race condition to prevent gnome-terminal from executing its docker command before an xterm instruction terminal runs its command. Don't display errors when instuctor stops a lab started with "-d". Change grading of nmap-ssh to better reflect intent of the lab. Several document and script fixes suggested by olberger on github. May 7, 2018 Use C-based capinout program instead of the old capinout.sh to capture stdin and stdout. See trunk/src-tool/capinout. Removes limitations associated with use ctrl-C to break monitored programs and the display of passwords in telnet and ssh. Include support for saki bulk_download zip processing to extract seperatly submitted reports, and summarizes missing submits. Add checks to user-provided email to ensure they are printable characters. While grading, if user-supplied email does not match zip file name, proceed to grade the results, but include note in the table reflecting cheating. Require to recover from cases where student enters garbage for an email address. Change telnetlab grading to not look at tcpdump output for passwords -- capinout fix leads to correct character-at-a-time transmission to server. Fix typo in install-docker.sh and use sudo to alter docker dns setting in that script. April 26, 2018 Transition to use of "labtainer" to start lab, and "stoplab" to stop it. Add --version option to labtainer command. Add log_ts and log_range result types, and time_not_during goal operators. Revamp the centos-log and sys-log grading to use these features. Put labsys.tar into /var/tmp instead of /tmp, sometimes would get deleted before expanded Running X applications as root fails after reboot of VM. Add "User Command" man pages to CentOS based labs Fix recent bug that prevented collection of docs files from students Modify smoke-tests to only compare student-specific result line, void of whitespace April 20, 2018 The denyhosts service fails to start the first time, moved start to student_startup.sh. Move all faux_init services until after parameterization -- rsyslog was failing to start on second boot of container. April 19, 2018 The acl lab failed to properly assess performance of the trojan horse step. Collect student documents by default. The denyhost lab changed to reflect that denyhosts (or tcp wrappers?) now modifies iptables. Also, the denyhosts service was failing to start on some occasions. When updating Labtainers, do not overwrite files that are newer than those in the archive -- preserve student lab reports. April 12, 2018 Add documentation for the purpose of lab goals, and display this for the instructor when the instructor starts a lab. Correct use of the precheck function when the program is in treataslocal, pass capintout.sh the

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full program path. Copy instr_config files at run time rather than during image build. Add Designer Guide section on debugging automated assessment. Incorrect case in lab report file names. Unncessary chown function caused instructor.py to sometimes crash. Support for automated testing (https://www.kitploit.com/search/label/Automated%20Testing) of labs (see SimLab and smoketest). Move testsets and distrib under trunk April 5, 2018 Revise Firefox profile to remove "you've not use firefox in a while..." message. Remove unnessary pulls from registry -- get image dates via docker hub API instead. March 28, 2018 Use explicit tar instead of "docker cp" for system files (Docker does not follow links.) Fix backups lab use separate file system and update the manual. March 26, 2018 Support for multi-user modes (see Lab Designer User Guide). Removed build dependency on the lab_bin and lab_sys files. Those are now copied during parameterization of the lab. Move capinout.sh to /sbin so it can be found when running as root. March 21, 2018 Add CLONE to permit multiple instances of the same container, e.g., for labs shared by multiple concurrent students. Adapt kali-test lab to provide example of macvlan and CLONE Copy the capinout.sh script to /sbin so root can find it after a sudo su. March 15, 2018 Support macvlan networks for communications with external hosts Add a Kali linux base, and a Metasploitable 2 image (see kali-test) March 8, 2018 Do not require labname when using stop.py Catch errors caused by stray networks and advise user on a fix Add support for use of local apt & yum repos at NPS February 21, 2018 Add dmz-lab Change "checklocal" to "precheck", reflecting it runs prior to the command. Decouple inotify event reporting from use of precheck.sh, allow inotify event lists to include optional outputfile name. Extend bash hook to root operations, flush that bash_history. Allow parameterization of start.config fields, e.g., for random IP addresses Support monitoring of services started via systemctl or /etc/init.d Introduce time delimeter qualifiers to organize a timestamped log file into ranges delimited by some configuration change of interest (see dmz-lab) February 5, 2018 Boolean values from results.config files are now treated as goal values Add regular expression (https://www.kitploit.com/search/label/Regular%20Expression) support for identifying artifact results. Support for alternate Docker registries, including a local test registry for testing Msc fixes to labs and lab manuals The capinout monitoring hook was not killing child processes on exit. Kill monitored processes before collecting artifacts Add labtainer.wireshark as a baseline container, clean up dockerfiles January 30, 2018 Add snort lab Integrate log file timestamps, e.g., from syslogs, into timestamped results. Remove undefined result values from intermediate timestamped json result files. Alter the time_during goal assessment operation to associate timestamps with the resulting goal value. January 24, 2018 Use of tabbed windows caused instructor side to fail, use of double quotes. Ignore files in _tar directories (other than .tar) when determining build dependencies.

Download Labtainers (https://github.com/mfthomps/Labtainers)

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Capture the Ether — Challenge Writeup

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I started concentrating in smart contract security and it is really interesting.

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Capture the Ether — Challenge Writeup

I started concentrating in smart contract security and it is really interesting.

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