CISA Warns Patched Pulse Secure VPNs Could Still Expose Organizations to Hackers

The United States Cybersecurity and Infrastructure Security Agency CISA yesterday issued a fresh advisory alerting organizations to change all their Active Directory credentials as a defense against cyberattacks trying to leverage a known remote code execution RCE vulnerability in Pulse Secure VP...

CISA Warns Patched Pulse Secure VPNs Could Still Expose Organizations to Hackers

The United States Cybersecurity and Infrastructure Security Agency CISA yesterday issued a fresh advisory alerting organizations to change all their Active Directory credentials as a defense against cyberattacks trying to leverage a known remote code execution RCE vulnerability in Pulse Secure VP...

TA505 Crime Gang Deploys SDBbot for Corporate Network Takeover

The TA505 cybercrime group has ramped up its attacks lately, with a set of campaigns bent on spreading the persistent SDBbot remote-access trojan RAT laterally throughout an entire corporate environment, researchers said. SDBbot RAT is a custom job that has been observed in TA505 attacks since at...

Microsoft Buys Corp.com

A few months ago, Brian Krebs told the story of the domain corp.com, and how it is basically a security nightmare: At issue is a problem known as "namespace collision," a situation where domain names intended to be used exclusively on an internal company network end up overlapping with domains th...

Description of Update Rollup 5 for System Center 2012 R2 Operations Manager

Description of Update Rollup 5 for System Center 2012 R2 Operations Manager Introduction This article describes the issues that are fixed in Update Rollup 5 for Microsoft System Center 2012 R2 Operations Manager. This article also contains the installation instructions for Update Rollup 5 for...

Microsoft Buys Corp.com So Bad Guys Can’t

In February, KrebsOnSecurity told the story of a private citizen auctioning off the dangerous domain corp.com for the starting price of $1.7 million. Domain experts called corp.com dangerous because years of testing showed whoever wields it would have access to an unending stream of passwords,...

The vulnerability of the Samba Active Directory domain controller in the Samba networking software package allows a perpetrator to circumvent existing security restrictions through brute-force attacks.

The vulnerability of the Samba Domain Controller in the Active Directory software for network interactions involves flaws in the password-changing mechanism. Exploiting this vulnerability allows a malicious actor to circumvent existing security restrictions through brute-force attacks...

samba security, bug fix, and enhancement update

4.10.4-10 - resolves: 1786324 - fix security level check for DsRGetForestTrustInformation 4.10.4-9 - resolves: 1764468 - Fix CVE-2019-10218 4.10.4-8 - resolves: 1656541 - Fix join using netbios name 4.10.4-7 - resolves: 1657428 - Fix spnego downgrade - resolves: 1663064 - Fix net ads join in...

CVE-2019-14833

A flaw was found in Samba in the way it handles a user password change or a new password for a samba user. The Samba Active Directory Domain Controller can be configured to use a custom script to check for password complexity. This configuration can fail to verify password complexity when non-ASC...

Users Prompted for Credentials on Workspace URLs When Using Federated Authentication Providers

Overview: Users may be prompted for additional authentication when navigating to Citrix Workspace URLS if Workspace is configured to use a federated identity provider. Example: Users may be prompted for Azure AD credentials when Using AAD for Authentication to Citrix Workspace, even if the user h...

MSSQLi-DUET - SQL Injection Script For MSSQL That Extracts Domain Users From An Active Directory Environment Based On RID Bruteforcing

SQL injection script for MSSQL that extracts domain users from an Active Directory environment based on RID bruteforcing. Supports various forms of WAF bypass techniques through the implementation of SQLmap tamper functions. Additional tamper functions can be incorporated by the user depending on...

Honeyroasting. How to detect Kerberoast breaches with honeypots

Introduction As we know one of the main issues facing defenders, especially in large environments, is protecting against threat actors after they gain a foothold in the environment. If an attacker lands on a domain-joined PC, the attack surface is massive, and it is vital to detect them as quickl...

CVE-2018-16853

Samba versions 4.7 and later, built with MIT Kerberos support, are vulnerable to a crash via the S4U2self extension. A user in a Samba Active Directory domain can crash the KDC when Samba is built in the non-default MIT Kerberos configuration...

CVE-2018-10919

The Samba Active Directory LDAP server was vulnerable to an information disclosure flaw because of missing access control checks. An authenticated attacker could use this flaw to extract confidential attribute values using LDAP search expressions...

Kerberos Tickets on Linux Red Teams

At FireEye Mandiant, we conduct numerous red team engagements within Windows Active Directory environments. Consequently, we frequently encounter Linux systems integrated within Active Directory environments. Compromising an individual domain-joined Linux system can provide useful data on its own...

Making it easier for your remote workforce to securely access all the apps they need, from anywhere

Since I published my last blog, Five identity priorities for 2020, COVID-19 has upended the way we work and socialize. Now that physical distancing has become essential to protect everyone’s health, more people than ever are going online to connect and get things done. As we all adjust to a new...

Ninja - Open Source C2 Server Created For Stealth Red Team Operations

Ninja C2 is an Open source C2 server created by Purple Team to do stealthy computer and Active directoty enumeration without being detected by SIEM and AVs , Ninja still in beta version and when the stable version released it will contains many more stealthy techinques and anti-forensic to create...

KB4537813: Windows 7 and Windows Server 2008 R2 February 2020 Security Update

The remote Windows host is missing security update 4537813 or cumulative update 4537820. It is, therefore, affected by multiple vulnerabilities : - A remote code execution vulnerability exists in the Windows Remote Desktop Client when a user connects to a malicious server. An attacker who...

KB4537822: Windows Server 2008 February 2020 Security Update

The remote Windows host is missing security update 4537822 or cumulative update 4537810. It is, therefore, affected by multiple vulnerabilities : - An information disclosure vulnerability exists in the Windows Common Log File System CLFS driver when it fails to properly handle objects in memory. ...

XenMobile - Moving from LDAP to LDAPS

I am planning to turn on LDAPS on our XenMobile servers in the DMZ. We are being sure to open port 636 from our firewall to allow proper LDAPS traffic to flow. I understand there is one additional step to be performed prior to making the switch. I believe I need to export the root certificate fro...