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Black Hat Ethical Hacking Microsoft releases emergency fix for Exchange – 2022 bug https://www.blackhatethicalhacking.com/wp-content/uploads/2021/08/Untitled-design-2-1.png Microsoft releases emergency fix for Exchange – 2022 bugPost Views: 183 https://w…
ould not be concerned.

“The newly updated scanning engine is fully supported by Microsoft. While we need to work on this sequence longer term, the scanning engine version was not rolled back, rather it was rolled forward into this new sequence,” explained Microsoft.

“The scanning engine will continue to receive updates in this new sequence.”
See Also: Hacking stories – Rafael Núñez (aka RaFa), hacking NASA with the hacking group: World of Hell
Source: www.bleepingcomputer.com (Click Link)https://www.blackhatethicalhacking.com/wp-content/uploads/2021/11/Untitled-design.png Recent News* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/12/maxresdefault-90x90.jpg Have I Been Pwned adds 441K accounts stolen by RedLine malware3 days ago
* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/12/1229111902.0-90x90.jpg T-Mobile says new data breach caused by SIM swap attacks4 days ago
* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/12/feature-log4j-blue-90x90.png Log4j 2.17.1 out now, fixes new remote code execution bug5 days ago
* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/12/qnap-logo-white-90x90.jpg QNAP NAS devices hit in surge of ech0raix ransomware attacks6 days ago
* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/12/shutterstock_495927541-90x90.jpg Wireless coexistence – New attack technique exploits Bluetooth, WiFi performance features1 week ago
* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/12/apple-store-tower-90x90.jpg Apple fixes macOS security flaw behind Gatekeeper bypass1 week ago
* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/12/5157-article-201208-ms-team_body_text-90x90.jpg Microsoft Teams bug allowing phishing unpatched since March2 weeks ago
* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/12/ezgif.com-gif-maker-6-90x90.jpg 800K WordPress sites still impacted by critical SEO plugin flaw2 weeks ago
* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/12/ezgif.com-gif-maker-5-90x90.jpg Microsoft warns of easy Windows domain takeover via Active Directory bugs2 weeks ago
* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/12/ezgif.com-gif-maker-4-90x90.jpg TellYouThePass ransomware revived in Linux, Windows Log4j attacks2 weeks ago
The post Microsoft releases emergency fix for Exchange – 2022 bug first appeared on Black Hat Ethical Hacking.

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KitPloit - PenTest Tools!
Msmailprobe - Office 365 And Exchange Enumeration

https://blogger.googleusercontent.com/img/a/AVvXsEgoZDvj0NOmVaQ5TdYZbC3WFoUf_5ShW2imdIHfTr2O74ATloW9T7zrUdoR0-Da1ypV7AYi0eAzdOB30z9zvHwJIN4-umMYbZd2JQbqdeGa1uGVh8HUKfY_DRmI4pg9hcPGRWYiIRl82y0phZ17q4CwO8j1ZxklANibPRrQeacSJ9gr0h6bD_Tr5wXvwA=w640-h360 Office 365 and Exchange Enumeration

It is widely known that OWA (Outlook Webapp) is vulnerable to time-based user enumeration attacks. This tool leverages all known, and even some lesser-known services exposed by default Exchange installations to enumerate users. It also targets Office 365 for error-based user enumeration. Getting StartedIf you want to download and compile the simple, non-dependant code, you must first install GoLang! I will let the incredible documentation, and other online resources help you with this task. https://golang.org/doc/install

You may also download the compiled release here. SyntaxList examples of commands for this applications, but simply running the binary with the examplescommand: ./msmailprobe examples You can also get more specific help by running the binary with the arguments you are interested in: ./msmailprobe identify
./msmailprobe userenum
./msmailprobe userenum --onprem
./msmailprobe userenum --o365
UsageIdentify Command* Used for gathering information about a host that may be pointed towards an Exchange or o365 tied domain
* Queries for specific DNS records related to Office 365 integration
* Attempts to extract internal domain name for onprem instance of Exchange
* Identifies services vulnerable to time-based user enumeration for onprem Exchange
* Lists password-sprayable services exposed for onprem Exchange host Flag to use:
-t to specify target host

Example:
./msmailprobe identify -t mail.target.com
Userenum (o365) Command* Error-based user enumeration for Office 365 integrated email addresses Flags to use:
-E for email list OR -e for single email address
-o [optional]to specify an out file for valid emails identified
--threads [optional] for setting amount of requests to be made concurrently

Examples:
./msmailprobe userenum --o365 -E emailList.txt -o validemails.txt --threads 25
./msmailprobe userenum --o365 -e admin@target.com
Userenum (onprem) Command* Time-based user enumeration against multiple onprem Exchange services Flags to use:
-t to specify target host
-U for user list OR -u for single username
-o [optional]to specify an out file for valid users identified
--threads [optional] for setting amount of requests to be made concurrently

Examples:
./msmailprobe userenum --onprem -t mail.target.com -U userList.txt -o validusers.txt --threads 25
./msmailprobe userenum --onprem -t mail.target.com -u admin
Acknowledgments* poptart - For a truck load of golang assistance, poking of Exchange services, and help testing timing of responses
* jlarose - Parsing decimal data within NTLMSSP authentication reponse for internal domain name
* Vincent Yui - Office 365 check python script
* grimhacker - Discovery/disclosure of error-based user enumeration within Office 365 blog post
* Nate Power - Discovery and disclosure of OWA time-based user enumeration LicenseThis project is licensed under the MIT License - see the LICENSE.md file for details Download Msmailprobe Sent by @TheFeedReaderBot

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Msmailprobe - Office 365 And Exchange Enumeration

Office 365 and Exchange EnumerationIt is widely known that OWA (Outlook Webapp) is vulnerable to time-based user enumeration attacks. This tool leverages all known, and even some lesser-known services exposed by default Exchange installations to enumerate users. It also targets Office 365 for error-based user enumeration.Getting StartedIf you want to download and compile the simple, non-dependant code, you must first install GoLang! I will let the incredible documentation, and other online resources help you with this task.https://golang.org/doc/installYou may also download the compiled release here.SyntaxList examples of commands for this applications, but simply running the binary with the examples command:./msmailprobe examplesYou can also get more specific help by running the binary with the arguments you are interested in:./msmailprobe identify./msmailprobe userenum./msmailprobe userenum --onprem./msmailprobe userenum --o365UsageIdentify CommandUsed for gathering information about a host that may be pointed towards an Exchange or o365 tied domainQueries for specific DNS records related to Office 365 integrationAttempts to extract internal domain name for onprem instance of ExchangeIdentifies services vulnerable to time-based user enumeration for onprem ExchangeLists password-sprayable services exposed for onprem Exchange hostFlag to use: -t to specify target hostExample: ./msmailprobe identify -t mail.target.comUserenum (o365) CommandError-based user enumeration for Office 365 integrated email addressesFlags to use: -E for email list OR -e for single email address -o optionalto specify an out file for valid emails identified --threads optional for setting amount of requests to be made concurrentlyExamples: ./msmailprobe userenum --o365 -E emailList.txt -o validemails.txt --threads 25 ./msmailprobe userenum --o365 -e admin@target.comUserenum (onprem) CommandTime-based user enumeration against multiple onprem Exchange servicesFlags to use: -t to specify target host -U for user list OR -u for single username -o optionalto specify an out file for valid users identified --threads optional for setting amount of requests to be made concurrentlyExamples: ./msmailprobe userenum --onprem -t mail.target.com -U userList.txt -o validusers.txt --threads 25 ./msmailprobe userenum --onprem -t mail.target.com -u adminAcknowledgmentspoptart - For a truck load of golang assistance, poking of Exchange services, and help testing timing of responsesjlarose - Parsing decimal data within NTLMSSP authentication reponse for internal domain nameVincent Yui - Office 365 check python scriptgrimhacker - Discovery/disclosure of error-based user enumeration within Office 365 blog postNate Power - Discovery and disclosure of OWA time-based user enumerationLicenseThis project is licensed under the MIT License - see the LICENSE.md file for detailsDownload Msmailprobe
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