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Grouper Github

author
Ellen Grant
• Sunday, 15 November, 2020
• 7 min read

MSI installers being automatically deployed again, often stored somewhere that will grant you modify permissions. Other crews being stored in the registry for fun stuff like VNC.

ggplot2 shiny gui statistical analysis wrapper built based app
(Source: jdgagnon.github.io)

Contents

User Rights Handy to spot where admins accidentally granted 'Domain Users' RDP access or those fun rights that let you run imitate even without full admin Prius. Generate a GPO Report on a Windows machine with the Group Policy cadets installed.

There's also a couple of parameters you can mess with that alter which policy settings Grouper will show you: By default, Grouper will only show you GPO's that are currently enabled and linked to an Of in AD.

By default, Grouper only works with the actual XML output from Get-GPOReport, and does no network comes at all, making it quite “OPEC safe”, though I do hate that term. Show me only settings that are definitely a awful idea and will probably have crews in them or are going to otherwise grant me admin on a host.

All Grouper needs to work is PowerShell 2.0 and the XML file output from Get-GPOReport. You can run it on a VM with no network card if you're worried and it'll still work fine.

Ideally I'd like to parse the policy files straight off Symbol, but they are stored in a bunch of different file formats, some are proprietary, they're a real pain to read, and I have neither the time nor the inclination to write a bunch of parsers for them from scratch when Microsoft already provide cadets that do the job very nicely. In the not-too-distant future I'd like to bake Microsoft's Get-GPOReport into Grouper, so you wouldn't need Sat at all, but I need to figure out if that's going to be some kind of copyright violation.

icon sabnzbd github
(Source: github.com)

Grouper merely filters the enormous amount of fluff and noise in Group Policy reports showing you only the policy settings that COULD be configured in exploitable ways. To the extent possible I am working through each of the categories of checks to add in some extra filtering to remove obviously non-vulnerable configurations and reduce the noise levels even further, but Group Policy is extremely flexible and it's pretty difficult to anticipate every possible mistake an admin might make.

You'll need to run it with the -showDisabled flag because it's so full of really awful configurations I didn't even want to enable the GPO in a lab environment. Longer Answer: I'll be trying to add this functionality at some point but in the meantime, shut up and use Overview.

Get some Report XML output that includes the type of policy/setting you want Grouper to be able to find. This may require knocking up a suitable policy in a lab environment.

Find the XML object that matches your target policy. Find the subsection of the XML that matches the info you want to pull out of the policy.

I've tried to make it as modular as possible so others should be able to add additional checks without too much hassle, but it still needs a lot of love. You can set up groups, roles, and permissions for many purposes, such as populating and administering standing committees, ad hoc research teams, departments, or classes.

shiny gui ggplot2 plots examples types some
(Source: jdgagnon.github.io)

Key collaborative applications -- mailing lists, wikis, calendars, etc. Single Point of Control When using Grouper, once a person is added or removed from a group, the group-related privileges are automatically updated in all of your collaborative applications.

Grouper allows efficient management of the membership roster at a single point. Anyone needing to manage group access to resources can use Grouper -- from accountants to zoologists.

A researcher might create a group and enable members to participate on an email list or view a website. Grouper2 is a tool for pen testers to help find security-related misconfigurations in Active Directory Group Policy.

If you want to check your policy configs against some particular standard, you probably want Microsoft's Security and Compliance Toolkit, not Grouper or Grouper2. It dumps all the most interesting parts of group policy and then roots around in them for exploitable stuff.

HTML output option so you can preserve those sexy console colors and take them with you. If the JSON burns your eyes, add -g to make it real pretty.

(Source: github.com)

If you love the prettiness so much you want to take it with you, do -f “$FILEPATH.html” to puke the candy into an HTML file. If there's too much candy and you want to limit output to only the tastiest morsels, set the 'interest level' with -i $INT, the bigger the number the tastier the candy, e.g. -i 10 will only give you stuff that will probably result in crews or shells.

If you created a hacked up MSI (e.g. with venom) and then modified it to match the AIDS at the bottom of the picture, it would get executed on machines targeted by the GPO. Look at the dev branch, Sh3r4 has been working on a big refactor to make it easier to maintain and more efficient going forward.

In a previous blog Super Fast String Matching I’ve explained a process of finding similar strings using tide and the cosine similarity. To solve this I’ve created a small module called: string_ grouper.

To build the StringGrouper the fit function is called. In case of only a master Series, it calculates the dot product of the matrix and its own transpose.

Since the dot product is the same as the cosine similarity for normalized matrices (e.g. a tide matrix), this results in a sparse matrix of cosine similarities. This sparse matrix is translated to a Database of matches.

installation gui ggplot2 shiny version
(Source: jdgagnon.github.io)

On the left side the index of a string is given from the master Series, and on the right side the index of a string in the duplicate series. Using this Database it is trivial to get all matches (this can be done using the get_matches function), or to get the most similar item in master of a set of duplicates (using the get_groups function).

If the get_groups function is called on a StringGrouper with only a master Series of strings a single linkage clustering approach is used to get a single identifying string for each group. Here the strings with index 4 and 5 will get group id 3.

The string with index 3 however, will get group id 2 since it’s the lowest match. In the image below you can see the end-result, all items (1 – 5) have group id 1.

The strings with the same indices as the group ids are returned. These are local specifications and will override ‘global’ settings, that is the parameters axis and level which are passed to the group by itself.

Convention :{‘start’, ‘end’, ‘e’, ‘s’} If grouper is PeriodIndex and freq parameter is passed. Base :int, default 0 Only when freq parameter is passed.

grouper florida fish 350 warsaw pound kerapu fisherman giant year years jason extremely rare population seberat kilogram captures catch southwest
(Source: allindiaroundup.com)

Specify a resample operation on the level ‘date’ on the columns' axis with a frequency of 60s IMPORTANT: Only classes contained within these two packages are guaranteed to provide a stable interface during minor updates.

Here is a simple example of how to use the grouper API to group a Swiss DRG patient case (“Automatic”): You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed * on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

Grouperresults.csv : name of the CSV output file generated by the JavaGrouper, will contain the grouping results tarpsyspecs/t1.2 : specification for Tarps 1.0 planning version 2 (see specifications) bfs-patientinput.csv : file of Tarps patient cases, in BFS format (corresponding to option -f BFS) The new grouper kernel is fully based on Java; insofar it is platform independent.

The new grouper kernel supports concurrent grouping of patient cases. Once loaded, a grouper kernel can be used in concurrent environments without further measures.

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Sources
1 stackoverflow.com - https://stackoverflow.com/questions/43298192/valueerror-grouper-for-something-not-1-dimensional
2 cumsum.wordpress.com - https://cumsum.wordpress.com/2020/07/18/valueerror-grouper-for-x-not-1-dimensional/
3 code-examples.net - https://code-examples.net/en/q/294ad90
4 pandas.pydata.org - https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.Grouper.html
5 pbpython.com - https://pbpython.com/pandas-grouper-agg.html
6 pixelbeat.jp - http://pixelbeat.jp/grouper-for-column-not-1-dimensional/
7 github.com - https://github.com/pandas-dev/pandas/issues/14334
8 pbpython.com - https://pbpython.com/groupby-agg.html
9 realpython.com - https://realpython.com/pandas-groupby/