Published | JUMPSEC LABS

(ZOHO) ManageEngine Desktop Central – SQL Injection / Arbitrary File Write

by tellson | Aug 2, 2022 | Uncategorized

Software: Zoho ManageEngine Desktop CentralAffected Versions: Before 10.0.662Vendor page: https://www.manageengine.com/products/desktop-central/vulnerabilities-in-reports-module.htmlCVE Reference: CVE-2021-46164Published: 09/01/2022CVSS 3.1 Score: 8.8 HighAttack Vector: SQL Injection / Arbitrary File WriteCredits: Tom Ellson This is the first post in a two part series on Manage Engine Desktop Central. All of the reported issues have since been acknowledged and resolved by Managed Engine. Summary Whilst logged in as a user who has full control over the "reporting" module within Desktop Central, an attacker could directly query the underlying Postgres DB. By default, queries are made by the "dcuser" user. This user is a database administrator and has unrestricted access to all tables and databases within the postgres instance. Therefore, this user can use the built in server side...

Azure – Securing Shared Access Signatures (SAS)

Advisory CVE-2021-41551 Leostream Connection Broker – Authenticated Zip Slip

Software: Leostream Connection BrokerAffected Versions: 9.0.40.17Vendor page: https://leostream.com/CVE Reference: CVE-2021-41551Published: 25/01/2022Attack Vector: path...

Advisory CVE-2021-41550 Leostream Connection Broker – Authenticated Remote Code Execution

by lrckt | Jan 26, 2022 | Research, Security Bug, Vulnerability

Software: Leostream Connection BrokerAffected Versions: 9.0.40.17Vendor page: https://leostream.com/CVE Reference: CVE-2021-41550Published: 25/01/2022Attack Vector: Remote, authenticatedCredits: Andrei Constantin Scutariu, Lenk Ratchakrit Seriamnuai, Andrea Malusardi Summary As the Leostream Connection Broker version: 9.0.40.17 allowed an attacker to upload any content through Third Party...

No Logs? No Problem! Incident Response without Windows Event Logs

by editor | Nov 22, 2021 | Forensics, Incident Response, Windows

In this article, we discuss some Digital Forensics and Incident Response (DFIR) techniques you can leverage when you encounter an environment without Windows event logs.

PowerShell Jobs

by editor | Oct 7, 2021 | Detection, Incident Response, Monitoring, Windows

JUMPSEC investigators recently observed an adversary weaponising PowerShell Jobs to schedule their attack whilst responding to an incident. We discuss what PowerShell Jobs are, how they can be leveraged for malicious purposes, and how defenders can protect, detect, and respond to neutralise the threat.

Burp Suite and Beyond: Exploring non-HTTP protocols using MITM_RELAY

by editor | Aug 24, 2021 | Application Security, burpsuite, network, Network Tools, Research

In this article, Muhammet takes us on a deep technical journey to persevere beyond the limitations of the proxy tool Burpsuite, and explore non-HTTP, application-layer protocols using ‘MITM RELAY’.

Running Once, Running Twice, Pwned! Windows Registry Run Keys

by editor | Aug 11, 2021 | Detection, Incident Response, Monitoring, Windows

The Windows registry is a vast and complex topic and cannot be understood and defended in one article. One particular area of interest from a security perspective is registry run keys. In this article, we discuss who uses them, how to uncover abuse, and how to eradicate evil from them.

Can Depix deobfuscate your data?

by editor | Aug 3, 2021 | Jumpsec, Obfuscation, Password Cracking, Uncategorized

In this post, Caleb explores Depix and its potential to recover sensitive text from reports that were redacted by the original authors.

Car Hacking – Manual Bypass of Modern Rolling Code Implementations

by 0x5c4r3 | Jul 22, 2021 | Exploitation, Social Engineering

Introduction I recently researched modern algorithms used by keyfobs to open cars. Since most of the blogs online talking about the topic are unfortunately quite old and in general and do not precisely describe the exact path followed in detail, nor the code used. I thought that talking about my experience could be interesting and inspiring for other researchers. I won’t go in depth on certain...

Obfuscating C2 During a Red Team Engagement

by editor | Jul 16, 2021 | Uncategorized

Command-and-Control (C2) infrastructure is one the most important tools in a red teamer’s arsenal. In this article, we introduce a few simple methods that red teams use to harden their C2 infrastructure.

« Older Entries

JUMPSEC LABS

(ZOHO) ManageEngine Desktop Central – SQL Injection / Arbitrary File Write

Azure – Securing Shared Access Signatures (SAS)

Advisory CVE-2021-41551 Leostream Connection Broker – Authenticated Zip Slip

Advisory CVE-2021-41550 Leostream Connection Broker – Authenticated Remote Code Execution

No Logs? No Problem! Incident Response without Windows Event Logs

PowerShell Jobs

Burp Suite and Beyond: Exploring non-HTTP protocols using MITM_RELAY

Running Once, Running Twice, Pwned! Windows Registry Run Keys

Can Depix deobfuscate your data?

Obfuscating C2 During a Red Team Engagement

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