Following the LNK metadata trail

Adversaries shift toward Shell Link LNK files, likely sparked by Microsofts decision to block macros, provides the opportunity to capitalize on information that can be provided by LNK metadata. Cisco Talos analyzed metadata in LNK files and correlated it with threat actors tactics techniques and...

Notorious Emotet Malware Returns With High-Volume Malspam Campaign

The notorious Emotet malware has returned with renewed vigor as part of a high-volume malspam campaign designed to drop payloads like IcedID and Bumblebee. "Hundreds of thousands of emails per day" have been sent since early November 2022, enterprise security company Proofpoint said last week,...

BumbleBee leverages Zerologon to get Domain Controller Access

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Since May 2022, threat actors are leveraging BumbleBee as an initial vector from a Contact Forms campaign. The intrusion started with the delivery of an ISO file that contained an LNK and a DLL. Using...

Raspberry Robin worm used as ransomware prelude

Raspberry Robin aka Worm.RaspberyRobin started out as an annoying, yet relatively low-profile threat that was often installed via USB drive. First spotted in September 2021, it was typically introduced into a network through infected removable drives, often USB devices. Now the worm has been foun...

Raspberry Robin Operators Selling Cybercriminals Access to Thousands of Endpoints

The Raspberry Robin worm is becoming an access-as-a-service malware for deploying other payloads, including IcedID, Bumblebee, TrueBot aka Silence, and Clop ransomware. It is "part of a complex and interconnected malware ecosystem, with links to other malware families and alternate infection...

Buzzing in the Background: BumbleBee, a New Modular Backdoor Evolved From BookWorm

In March 2021, we investigated a backdoor with a unique modular architecture and called it BumbleBee due to a string embedded in the malware. However, in our recent investigations, we have discovered a controller application that expands its capabilities...

Cybercrime Groups Increasingly Adopting Sliver Command-and-Control Framework

Nation-state threat actors are increasingly adopting and integrating the Sliver command-and-control C2 framework in their intrusion campaigns as a replacement for Cobalt Strike. "Given Cobalt Strike's popularity as an attack tool, defenses against it have also improved over time," Microsoft...

Looking for the ‘Sliver’ lining: Hunting for emerging command-and-control frameworks

Microsoft has observed the Sliver command-and-control C2 framework now being adopted and integrated in intrusion campaigns by nation-state threat actors, cybercrime groups directly supporting ransomware and extortion, and other threat actors to evade detection. We’ve seen these actors use Sliver...

Hackers Using Bumblebee Loader to Compromise Active Directory Services

The malware loader known as Bumblebee is being increasingly co-opted by threat actors associated with BazarLoader, TrickBot, and IcedID in their campaigns to breach target networks for post-exploitation activities. "Bumblebee operators conduct intensive reconnaissance activities and redirect the...

Microsoft Resumes Blocking Office VBA Macros by Default After 'Temporary Pause'

Microsoft has officially resumed blocking Visual Basic for Applications VBA macros by default across Office apps, weeks after temporarily announcing plans to roll back the change. "Based on our review of customer feedback, we've made updates to both our end user and our IT admin documentation to...

TrickBot Gang Shifted its Focus on "Systematically" Targeting Ukraine

In what's being described as an "unprecedented" twist, the operators of the TrickBot malware have resorted to systematically targeting Ukraine since the onset of the war in late February 2022. The group is believed to have orchestrated at least six phishing campaigns aimed at targets that align...

GHSA-8V72-QR3H-C6RV Credentials stored in plain text by Jenkins Bumblebee HP ALM Plugin

Jenkins Bumblebee HP ALM Plugin 4.1.5 and earlier stores credentials unencrypted in its global configuration file com.agiletestware.bumblebee.BumblebeeGlobalConfig.xml on the Jenkins controller as part of its configuration. These credentials can be viewed by users with access to the Jenkins...

Credentials stored in plain text by Jenkins Bumblebee HP ALM Plugin

Jenkins Bumblebee HP ALM Plugin 4.1.5 and earlier stores credentials unencrypted in its global configuration file com.agiletestware.bumblebee.BumblebeeGlobalConfig.xml on the Jenkins controller as part of its configuration. These credentials can be viewed by users with access to the Jenkins...

Jenkins Bumblebee HP ALM Plugin unconditionally disabled SSL/TLS certificate validation

Jenkins Bumblebee HP ALM Plugin unconditionally disabled SSL/TLS certificate validation for connections to the HP ALM service. Bumblebee HP ALM Plugin no longer does that. Instead, it now allows users to opt out of certificate validation...

GHSA-QGP8-H5CP-R75R Jenkins Bumblebee HP ALM Plugin unconditionally disabled SSL/TLS certificate validation

Jenkins Bumblebee HP ALM Plugin unconditionally disabled SSL/TLS certificate validation for connections to the HP ALM service. Bumblebee HP ALM Plugin no longer does that. Instead, it now allows users to opt out of certificate validation...

Cybercriminals Using New Malware Loader 'Bumblebee' in the Wild

Cybercriminal actors previously observed delivering BazaLoader and IcedID as part of their malware campaigns are said to have transitioned to a new loader called Bumblebee that's under active development. "Based on the timing of its appearance in the threat landscape and use by multiple...

New Threat Actor Exotic Lily acting as Initial Access Broker for Conti and Diavol ransomware group

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here. Exotic Lily was first discovered exploiting a zero-day vulnerability in Microsoft MSHTML CVE-2021-40444, which piqued the curiosity of researchers as a potentially sophisticated threat actor. Following additional analysis, it...

Cloudbees Jenkins Bumblebee HP ALM Plugin Information Disclosure Vulnerability

Cloudbees Jenkins Hudson Labs is the United States CloudBees Cloudbees company's set of Java-based development of continuous integration tools. The product is mainly used to monitor the continuous software version of the release/testing project and some timed tasks . Bumblebee HP ALM Plugin is us...

CVE-2021-21614

Jenkins Bumblebee HP ALM Plugin 4.1.5 and earlier stores credentials unencrypted in its global configuration file on the Jenkins controller where they can be viewed by users with access to the Jenkins controller file system...

CVE-2021-21614

Jenkins Bumblebee HP ALM Plugin 4.1.5 and earlier stores credentials unencrypted in its global configuration file on the Jenkins controller where they can be viewed by users with access to the Jenkins controller file system...