Slack: Header modification results in disclosure of Slack infra metadata to unauthorized parties

I found files.slack.com domain will honor the X-Forwarded-Host header, instead of host header. Although file.slack.com has host validation to return 500 Internal server error when host is not files.slack.com, I can bypass the validation by appending @ at the end of host name. Also, the server wil...

Osmedeus v2.1 - Fully Automated Offensive Security Framework For Reconnaissance And Vulnerability Scanning

Osmedeus allows you automated run the collection of awesome tools to reconnaissance and vulnerability scanning against the target. Installation git clone https://github.com/j3ssie/Osmedeus cd Osmedeus ./install.sh This install only focus on Kali linux, check more install on Usage page How to use ...

Empower your Cloud Ops Teams – Publish Qualys CloudView Security Assessment Reports to their Slack Channel

In today’s constantly changing and evolving cloud environments, being able to quickly provide information on misconfigurations and security policy violations in your cloud accounts and assets has become a critical need to the success of your security operations. Many cloud platforms offer tools...

Slack: CSS Injection to disable app & potential message exfil

Tested on Slack for MacOS v4.0.2 - I've marked this as code injection since there was no "css injection" 1. In the app go to Preferences - Sidebar 2. Enable custom theming 3. Set the column BG to FFFFFF; html display:none; 4. The app will no-longer render this survives re-installs If this theme...

Dow Jones Hammer - Protect The Cloud With The Power Of The cloud(AWS)

Dow Jones Hammer is a multi-account cloud security tool for AWS. It identifies misconfigurations and insecure data exposures within most popular AWS resources, across all regions and accounts. It has near real-time reporting capabilities e.g. JIRA, Slack to provide quick feedback to engineers and...

Slack: SSRF via Office file thumbnails

On August 12, 2019, a group of researchers reported an exploit path for a vulnerability in LibreOffice. Slack uses LibreOffice to process certain file types for preview. A specially crafted file uploaded to Slack could permit local file access and expose an internal Slack AWS credential for the...

Osmedeus v1.5 - Fully Automated Offensive Security Framework For Reconnaissance And Vulnerability Scanning

Osmedeus allows you automated run the collection of awesome tools to reconnaissance and vulnerability scanning against the target. Installation git clone https://github.com/j3ssie/Osmedeus cd Osmedeus ./install.sh This install only focus on Kali linux, check more install on Wiki page How to use I...

Tackling the Collaboration Conundrum

It’s 8 a.m. and you’ve just polished off a full cup of dark-roast coffee to jump-start your day. After booting up your PC, you instinctively open up Outlook, along with Slack or Teams or TeamViewer. While chatting with a co-worker, you recall that you need to send administrative credentials to he...

Browser Extensions Scraped Data From Millions of People

Slack passwords, NSO spyware, and more of the week's top security news...

Slack data breach: Company resets thousands of passwords

By Uzair Amir Slack data breach took place in 2015 but the company became aware of the incident recently through its bug bounty program. Slack has suffered a data breach in which thousands of users have been affected. As a result, the company is resetting passwords of thousands of impacted users...

Slack Initiates Mass Password Reset

Popular workspace collaboration platform Slack is in the middle of asking tens of thousands of users to reset their passwords after a security breach. The move is actually in response to new information that has come to light regarding a 2015 compromise, when hackers infiltrated Slack’s networks ...

Slack Resets Passwords For Users Who Hadn't Changed It Since 2015 Breach

If you use Slack, a popular cloud-based team collaboration server, and recently received an email from the company about a security incident, don't panic and read this article before taking any action. Slack has been sending a "password reset" notification email to all those users who had not yet...

Slack Resets Passwords For Users Who Hadn't Changed It Since 2015 Breach

If you use Slack, a popular cloud-based team collaboration server, and recently received an email from the company about a security incident, don't panic and read this article before taking any action. Slack has been sending a "password reset" notification email to all those users who had not yet...

PasteHunter - Scanning Pastebin With Yara Rules

PasteHunter is a python3 application that is designed to query a collection of sites that host publicly pasted data. For all the pasts it finds it scans the raw contents against a series of Yara rules looking for information that can be used by an organisation or a researcher. For setup...

Rock-ON - An All In One Recon Tool That Will Just Get A Single Entry Of The Domain Name And Do All Of The Work Alone

Rock-On is a all in one recon tool that will help your Recon process give a boost. It is mainley aimed to automate the whole process of recon and save the time that is being wasted in doing all this stuffs manually. A thorough blog will be up in sometime. Stay tuned for the Stable version with a...

Slackor - A Golang Implant That Uses Slack As A Command And Control Server

A Golang implant that uses Slack as a command and control channel. This project was inspired by Gcat and Twittor. This tool is released as a proof of concept. Be sure to read and understand the Slack App Developer Policy before creating any Slack apps. Setup Note: The server is written in Python ...

A week in security (June 24 – 30)

Last week on Malwarebytes Labs, we peeled back the mystery on an elusive malware campaign that relied on blank JavaScript injections, detailed for readers our latest telemetry on the tricky GreenFlash Sundown exploit, and looked at one of the top campaigns directing traffic toward scareware pages...

Using the Slack app to steal Slack user to download file-vulnerability warning-the black bar safety net

! In this paper, Tenable security team researcher David Wells share the Windows version of Slack Terminal application of a vulnerability, through the Slack download function use, you can control the Slack of the victims of the downloaded file is stored is provided, indirect the secret to steal th...

buildbot-legacy-slack-adapter (>=1.0.0, <=1.0.1) potentially affected by CVE-2019-12300 via buildbot (1.3.0)

buildbot PYPI version 1.3.0 is affected by a known vulnerability. The following packages have a transitive dependency on buildbot and may be impacted: - buildbot-legacy-slack-adapter =1.0.0, =1.0.1 Source cves: CVE-2019-12300 Source advisory: OSV:GHSA-G86P-HGX5-2PFH...

buildbot-legacy-slack-adapter (>=1.0.0, <=1.0.1) potentially affected by CVE-2019-12300 via buildbot (1.3.0)

buildbot PYPI version 1.3.0 is affected by a known vulnerability. The following packages have a transitive dependency on buildbot and may be impacted: - buildbot-legacy-slack-adapter =1.0.0, =1.0.1 Source cves: CVE-2019-12300 Source advisory: GHSA-G86P-HGX5-2PFH...