— — — — —-— — — — — Happy Engineer`s Day — — — — — — — — — —Continue reading on Medium » (https://akash-venky091.medium.com/network-segmentation-pentesting-97238d63b001?source=rss------bug_bounty-5)
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Hacking on Medium
Defacing POC El-Finder
https://cdn-images-1.medium.com/max/728/1*W26Uig5sLTbz7kKDTEBXTQ.jpeg
Satu lagi kita akan membahas defacing tanpa perlu merusak database yang ada di dalam website. Metode deface yang akan kita bahas yakni…
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Defacing POC El-Finder
https://cdn-images-1.medium.com/max/728/1*W26Uig5sLTbz7kKDTEBXTQ.jpeg
Satu lagi kita akan membahas defacing tanpa perlu merusak database yang ada di dalam website. Metode deface yang akan kita bahas yakni…
Continue reading on Medium »
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Medium
Defacing POC El-Finder
Satu lagi kita akan membahas defacing tanpa perlu merusak database yang ada di dalam website. Metode deface yang akan kita bahas yakni…
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Hacking on Medium
Log4j being used to hack Energy companies by Lazarus ⚡
https://cdn-images-1.medium.com/max/1200/1*MOUGBB86DOo5uLsucO_znA.png
Lazarus, also known as APT38, a state-sponsored North Korean hacker outfit, has targeted energy companies from all around the world…
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Log4j being used to hack Energy companies by Lazarus ⚡
https://cdn-images-1.medium.com/max/1200/1*MOUGBB86DOo5uLsucO_znA.png
Lazarus, also known as APT38, a state-sponsored North Korean hacker outfit, has targeted energy companies from all around the world…
Continue reading on Medium »
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Medium
Log4j being used to hack Energy companies by Lazarus ⚡
Lazarus, also known as APT38, a state-sponsored North Korean hacker outfit, has targeted energy companies from all around the world…
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Hacking on Medium
A vulnerability disclosed in Profanity, an Ethereum vanity address tool
https://cdn-images-1.medium.com/max/1920/1*rQSQzl0pN6COy-rA5E1Iqw.png
This post explains an apparent hack of the Ethereum vanity address generating tool Profanity, uncovered by 1inch contributors.
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A vulnerability disclosed in Profanity, an Ethereum vanity address tool
https://cdn-images-1.medium.com/max/1920/1*rQSQzl0pN6COy-rA5E1Iqw.png
This post explains an apparent hack of the Ethereum vanity address generating tool Profanity, uncovered by 1inch contributors.
Continue reading on 1inch Network »
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Medium
A vulnerability disclosed in Profanity, an Ethereum vanity address tool
This post explains an apparent hack of the Ethereum vanity address generating tool Profanity, uncovered by 1inch contributors.
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Kali Linux Tutorials
Windows IKE RCE : Researcher releases PoC code for Windows IKE RCE (CVE-2022-34721)
Windows IKE RCE is a critical Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution vulnerability impacting numerous Windows versions, according to a security researcher from the Cyber Security Research Company, 78researchlab. Internet Key Exchange is the mechanism used to create a security association (SA) in the IPsec protocol family, according to Wikipedia. The Oakley protocol and ISAKMP are built upon by IKE. IKE establishes a shared session secret from which cryptographic keys are produced using X.509 certificates for authentication, either pre-shared or distributed using DNS (ideally with DNSSEC).
Microsoft urged users to promptly install fixes since it has issued a warning that a threat actor might use the vulnerability (CVSSv3 base score of 9.8) to execute arbitrary code on the machine. Yuki Chen, who discovered the flaw in Cyber KunLun, was thanked by the company.
This vulnerability allows an attacker to run arbitrary code on the system by delivering a specially crafted IP packet to a Windows node with IPSec enabled. IKEv1 alone is affected by CVE-2022-34721. However, because they accept both V1 and V2 packets, all Windows Servers are impacted. Microsoft patched the flaw on September’s Patch Tuesday.
Today, 78ResearchLab made the proof-of-concept code for this vulnerability available on GitHub, and it will soon publish the analysis report. Users of vulnerable Windows versions are advised to prioritise installing the fixes in order to stop ongoing exploitation efforts in light of the PoC’s release.
Download
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Windows IKE RCE : Researcher releases PoC code for Windows IKE RCE (CVE-2022-34721)
Windows IKE RCE is a critical Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution vulnerability impacting numerous Windows versions, according to a security researcher from the Cyber Security Research Company, 78researchlab. Internet Key Exchange is the mechanism used to create a security association (SA) in the IPsec protocol family, according to Wikipedia. The Oakley protocol and ISAKMP are built upon by IKE. IKE establishes a shared session secret from which cryptographic keys are produced using X.509 certificates for authentication, either pre-shared or distributed using DNS (ideally with DNSSEC).
Microsoft urged users to promptly install fixes since it has issued a warning that a threat actor might use the vulnerability (CVSSv3 base score of 9.8) to execute arbitrary code on the machine. Yuki Chen, who discovered the flaw in Cyber KunLun, was thanked by the company.
This vulnerability allows an attacker to run arbitrary code on the system by delivering a specially crafted IP packet to a Windows node with IPSec enabled. IKEv1 alone is affected by CVE-2022-34721. However, because they accept both V1 and V2 packets, all Windows Servers are impacted. Microsoft patched the flaw on September’s Patch Tuesday.
Today, 78ResearchLab made the proof-of-concept code for this vulnerability available on GitHub, and it will soon publish the analysis report. Users of vulnerable Windows versions are advised to prioritise installing the fixes in order to stop ongoing exploitation efforts in light of the PoC’s release.
Download
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Black Hat Ethical Hacking
Microsoft Teams stores auth tokens as cleartext in Windows, Linux, Macs
Microsoft Teams stores auth tokens as cleartext in Windows, Linux, MacsPost Views: 173 Premium Contenthttps://www.blackhatethicalhacking.com/wp-content/uploads/2022/08/Patreon-1.png Subscribe to Patreon to watch this episode.
Reading Time: 3 Minutes Security analysts have found a severe security vulnerability in the desktop app for Microsoft Teams that gives threat actors access to authentication tokens and accounts with multi-factor authentication (MFA) turned on.Microsoft Teams is a communication platform, included in the 365 product family, used by more than 270 million people for exchanging text messages, videoconferencing, and storing files.
The newly discovered security issue impacts versions of the application for Windows, Linux, and Mac and refers to Microsoft Teams storing user authentication tokens in clear text without protecting access to them.
An attacker with local access on a system where Microsoft Teams is installed could steal the tokens and use them to log into the victim’s account.
“This attack does not require special permissions or advanced malware to get away with major internal damage,” Connor Peoples at cybersecurity company Vectra explains in a report this week.
The researcher adds that by taking “control of critical seats–like a company’s Head of Engineering, CEO, or CFO—attackers can convince users to perform tasks damaging to the organization.”
Vectra researchers discovered the problem in August 2022 and reported it to Microsoft. However, Microsoft did not agree on the severity of the issue and said that it doesn’t meet the criteria for patching.
See Also: So you want to be a hacker? Complete Offensive Security and Ethical Hacking Course Problem detailsMicrosoft Teams is an Electron app, meaning that it runs in a browser window, complete with all the elements required by a regular web page (cookies, session strings, logs, etc.).
Electron does not support encryption or protected file locations by default, so while the software framework is versatile and easy to use, it is not considered secure enough for developing mission-critical products unless extensive customization and additional work is applied.
Vectra analyzed Microsoft Teams while trying to find a way to remove deactivated accounts from client apps, and found an ldb file with access tokens in clear text.
“Upon review, it was determined that these access tokens were active and not an accidental dump of a previous error. These access tokens gave us access to the Outlook and Skype APIs.” – Vectra
Additionally, the analysts discovered that the “Cookies” folder also contained valid authentication tokens, along with account information, session data, and marketing tags.
https://www.bleepstatic.com/images/news/u/1220909/Software/token-on-database.png
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Microsoft Teams stores auth tokens as cleartext in Windows, Linux, Macs
Microsoft Teams stores auth tokens as cleartext in Windows, Linux, MacsPost Views: 173 Premium Contenthttps://www.blackhatethicalhacking.com/wp-content/uploads/2022/08/Patreon-1.png Subscribe to Patreon to watch this episode.
Reading Time: 3 Minutes Security analysts have found a severe security vulnerability in the desktop app for Microsoft Teams that gives threat actors access to authentication tokens and accounts with multi-factor authentication (MFA) turned on.Microsoft Teams is a communication platform, included in the 365 product family, used by more than 270 million people for exchanging text messages, videoconferencing, and storing files.
The newly discovered security issue impacts versions of the application for Windows, Linux, and Mac and refers to Microsoft Teams storing user authentication tokens in clear text without protecting access to them.
An attacker with local access on a system where Microsoft Teams is installed could steal the tokens and use them to log into the victim’s account.
“This attack does not require special permissions or advanced malware to get away with major internal damage,” Connor Peoples at cybersecurity company Vectra explains in a report this week.
The researcher adds that by taking “control of critical seats–like a company’s Head of Engineering, CEO, or CFO—attackers can convince users to perform tasks damaging to the organization.”
Vectra researchers discovered the problem in August 2022 and reported it to Microsoft. However, Microsoft did not agree on the severity of the issue and said that it doesn’t meet the criteria for patching.
See Also: So you want to be a hacker? Complete Offensive Security and Ethical Hacking Course Problem detailsMicrosoft Teams is an Electron app, meaning that it runs in a browser window, complete with all the elements required by a regular web page (cookies, session strings, logs, etc.).
Electron does not support encryption or protected file locations by default, so while the software framework is versatile and easy to use, it is not considered secure enough for developing mission-critical products unless extensive customization and additional work is applied.
Vectra analyzed Microsoft Teams while trying to find a way to remove deactivated accounts from client apps, and found an ldb file with access tokens in clear text.
“Upon review, it was determined that these access tokens were active and not an accidental dump of a previous error. These access tokens gave us access to the Outlook and Skype APIs.” – Vectra
Additionally, the analysts discovered that the “Cookies” folder also contained valid authentication tokens, along with account information, session data, and marketing tags.
https://www.bleepstatic.com/images/news/u/1220909/Software/token-on-database.png
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Black Hat Ethical Hacking
Microsoft Teams stores auth tokens as cleartext in Windows, Linux, Macs | Black Hat Ethical Hacking
Security analysts have found a severe security vulnerability in the desktop app for Microsoft Teams that gives threat actors access to authentication tokens and accounts with multi-factor authentication (MFA) turned on.
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Black Hat Ethical Hacking Microsoft Teams stores auth tokens as cleartext in Windows, Linux, Macs Microsoft Teams stores auth tokens as cleartext in Windows, Linux, MacsPost Views: 173 Premium Contenthttps://www.blackhatethicalhacking.com/wp-content/uplo…
doing this for other applications, such as Google Chrome, Microsoft Edge, Mozilla Firefox, Discord, and many more.
Trending: Security Engineer vs. Software Engineer
Trending: Recon Tool: ZenBuster Risk mitigationWith a patch unlikely to be released, Vectra’s recommendation is for users to switch to the browser version of the Microsoft Teams client. By using Microsoft Edge to load the app, users benefit from additional protections against token leaks.
The researchers advise Linux users to move to a different collaboaration suite, especially since Microsoft announced plans to stop supporting the app for the platform by December.
For those that can’t move to a different solution immediately, they can create a monitoring rule to discover processes accessing the following directories:
* [Windows] %AppData%\Microsoft\Teams\Cookies
* [Windows] %AppData%\Microsoft\Teams\Local Storage\leveldb
* [macOS] ~/Library/Application Support/Microsoft/Teams/Cookies
* [macOS] ~/Library/Application Support/Microsoft/Teams/Local Storage/leveldb
* [Linux] ~/.config/Microsoft/Microsoft Teams/Cookies
* [Linux] ~/.config/Microsoft/Microsoft Teams/Local Storage/leveldb
BleepingComputer has contacted Microsoft about the company’s plans to release a fix for the issue and will update the article when we get an answer.
Update 9/14/22 – A Microsoft spokesperson sent us the following comment regarding Vectra’s findings:
The technique described does not meet our bar for immediate servicing as it requires an attacker to first gain access to a target network.
We appreciate Vectra Protect’s partnership in identifying and responsibly disclosing this issue and will consider addressing in a future product release. Trending: GIFShell attack creates reverse shell using Microsoft Teams GIFs
Are u a security researcher? Or a company that writes articles or write ups about Cyber Security, Offensive Security (related to information security in general) that match with our specific audience and is worth sharing?
If you want to express your idea in an article contact us here for a quote: info@blackhatethicalhacking.com
Source: bleepingcomputer.com Source Link https://www.blackhatethicalhacking.com/wp-content/uploads/2022/03/Merch.png Recent News* https://www.blackhatethicalhacking.com/wp-content/uploads/2022/09/Images-for-the-News-posts-1-1-300x150.png Zero-day in WPGateway WordPress plugin actively exploited in thousands WordPress sitesSeptember 14, 2022
Reading Time: 3 minutes
* https://www.blackhatethicalhacking.com/wp-content/uploads/2022/09/intro-1656368006-300x150.jpg A new Browser-in-the-Browser attack led hackers steal Steam accountsSeptember 13, 2022
Reading Time: 4 minutes
* https://www.blackhatethicalhacking.com/wp-content/uploads/2022/09/Images-for-the-News-posts-1-300x150.png Blind SSRF vulnerability in WordPress Core feature could enable DDoS attacksSeptember 12, 2022
Reading Time: 4 minutes
* https://www.blackhatethicalhacking.com/wp-content/uploads/2022/09/ms-teams-cheat-sheet-2022-300x150.jpeg GIFShell attack creates reverse shell using Microsoft Teams GIFsSeptember 9, 2022
Reading Time: 8 minutes
https://www.blackhatethicalhacking.com/wp-content/uploads/2022/06/OffSec-Course.png Offensive Security & Ethical Hacking CourseBegin the learning curve of hacking now!
The post Microsoft Teams stores auth tokens as cleartext in Windows, Linux, Macs first appeared on Black Hat Ethical Hacking.
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Trending: Security Engineer vs. Software Engineer
Trending: Recon Tool: ZenBuster Risk mitigationWith a patch unlikely to be released, Vectra’s recommendation is for users to switch to the browser version of the Microsoft Teams client. By using Microsoft Edge to load the app, users benefit from additional protections against token leaks.
The researchers advise Linux users to move to a different collaboaration suite, especially since Microsoft announced plans to stop supporting the app for the platform by December.
For those that can’t move to a different solution immediately, they can create a monitoring rule to discover processes accessing the following directories:
* [Windows] %AppData%\Microsoft\Teams\Cookies
* [Windows] %AppData%\Microsoft\Teams\Local Storage\leveldb
* [macOS] ~/Library/Application Support/Microsoft/Teams/Cookies
* [macOS] ~/Library/Application Support/Microsoft/Teams/Local Storage/leveldb
* [Linux] ~/.config/Microsoft/Microsoft Teams/Cookies
* [Linux] ~/.config/Microsoft/Microsoft Teams/Local Storage/leveldb
BleepingComputer has contacted Microsoft about the company’s plans to release a fix for the issue and will update the article when we get an answer.
Update 9/14/22 – A Microsoft spokesperson sent us the following comment regarding Vectra’s findings:
The technique described does not meet our bar for immediate servicing as it requires an attacker to first gain access to a target network.
We appreciate Vectra Protect’s partnership in identifying and responsibly disclosing this issue and will consider addressing in a future product release. Trending: GIFShell attack creates reverse shell using Microsoft Teams GIFs
Are u a security researcher? Or a company that writes articles or write ups about Cyber Security, Offensive Security (related to information security in general) that match with our specific audience and is worth sharing?
If you want to express your idea in an article contact us here for a quote: info@blackhatethicalhacking.com
Source: bleepingcomputer.com Source Link https://www.blackhatethicalhacking.com/wp-content/uploads/2022/03/Merch.png Recent News* https://www.blackhatethicalhacking.com/wp-content/uploads/2022/09/Images-for-the-News-posts-1-1-300x150.png Zero-day in WPGateway WordPress plugin actively exploited in thousands WordPress sitesSeptember 14, 2022
Reading Time: 3 minutes
* https://www.blackhatethicalhacking.com/wp-content/uploads/2022/09/intro-1656368006-300x150.jpg A new Browser-in-the-Browser attack led hackers steal Steam accountsSeptember 13, 2022
Reading Time: 4 minutes
* https://www.blackhatethicalhacking.com/wp-content/uploads/2022/09/Images-for-the-News-posts-1-300x150.png Blind SSRF vulnerability in WordPress Core feature could enable DDoS attacksSeptember 12, 2022
Reading Time: 4 minutes
* https://www.blackhatethicalhacking.com/wp-content/uploads/2022/09/ms-teams-cheat-sheet-2022-300x150.jpeg GIFShell attack creates reverse shell using Microsoft Teams GIFsSeptember 9, 2022
Reading Time: 8 minutes
https://www.blackhatethicalhacking.com/wp-content/uploads/2022/06/OffSec-Course.png Offensive Security & Ethical Hacking CourseBegin the learning curve of hacking now!
The post Microsoft Teams stores auth tokens as cleartext in Windows, Linux, Macs first appeared on Black Hat Ethical Hacking.
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No confidence in OSCP
https://www.reddit.com/r/Pentesting/comments/xeta12/no_confidence_in_oscp/
I have rooted around 30 machines on PG Practice so far with only about 3 machines without walkthroughs or hints. I have taken tons of notes as i went along but each machine, old or new, i seem to need to look at the walkthroughs again. Enumeration, googling, testing exploits but can’t really move forward most of the time. Exam is scheduled a month from now and i really worried that i wouldnt be able to root even 1 machine. What should i do? I really want to be a pentester but seems frustrated at times because of this submitted by /u/Intelligent-Quiet566 (https://www.reddit.com/user/Intelligent-Quiet566)
[link] (https://www.reddit.com/r/Pentesting/comments/xeta12/no_confidence_in_oscp/) [comments] (https://www.reddit.com/r/Pentesting/comments/xeta12/no_confidence_in_oscp/)
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https://www.reddit.com/r/Pentesting/comments/xeta12/no_confidence_in_oscp/
I have rooted around 30 machines on PG Practice so far with only about 3 machines without walkthroughs or hints. I have taken tons of notes as i went along but each machine, old or new, i seem to need to look at the walkthroughs again. Enumeration, googling, testing exploits but can’t really move forward most of the time. Exam is scheduled a month from now and i really worried that i wouldnt be able to root even 1 machine. What should i do? I really want to be a pentester but seems frustrated at times because of this submitted by /u/Intelligent-Quiet566 (https://www.reddit.com/user/Intelligent-Quiet566)
[link] (https://www.reddit.com/r/Pentesting/comments/xeta12/no_confidence_in_oscp/) [comments] (https://www.reddit.com/r/Pentesting/comments/xeta12/no_confidence_in_oscp/)
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Reddit
No confidence in OSCP : r/Pentesting
19 votes, 12 comments. 28K subscribers in the Pentesting community. /r/PenTesting: Penetration Testing and Security Discussion
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Hacking on Medium
SparklingGoblin APT Hackers Using ?
https://cdn-images-1.medium.com/max/728/0*AFsphIGC1gVuCUxE.jpg
A Linux variant of a backdoor known as SideWalk was used to target a Hong Kong university in February 2021, underscoring the…
Continue reading on Medium »
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SparklingGoblin APT Hackers Using ?
https://cdn-images-1.medium.com/max/728/0*AFsphIGC1gVuCUxE.jpg
A Linux variant of a backdoor known as SideWalk was used to target a Hong Kong university in February 2021, underscoring the…
Continue reading on Medium »
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Medium
SparklingGoblin APT Hackers Using ?
A Linux variant of a backdoor known as SideWalk was used to target a Hong Kong university in February 2021, underscoring the…
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Hacking on Medium
OSI MODEL
What is the OSI model?
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OSI MODEL
What is the OSI model?
Continue reading on Medium »
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Medium
OSI MODEL
What is the OSI model?
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Hacking on Medium
Types of Ethical Hacking
In this information you will learn about “Types Of Ethical Hacking”
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Types of Ethical Hacking
In this information you will learn about “Types Of Ethical Hacking”
Continue reading on Medium »
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Medium
Types of Ethical Hacking
In this information you will learn about “Types Of Ethical Hacking”
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Hacking on Medium
CyberTalents #Who is admin
https://cdn-images-1.medium.com/max/1180/1*U9y2WZz-eobGruwh8xaWrw.png
~ In this article, we will cover:
Continue reading on System Weakness »
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CyberTalents #Who is admin
https://cdn-images-1.medium.com/max/1180/1*U9y2WZz-eobGruwh8xaWrw.png
~ In this article, we will cover:
Continue reading on System Weakness »
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Medium
CyberTalents #Who is admin
~ In this article, we will cover: