CVE-2022-39197

An XSS Cross Site Scripting vulnerability was found in HelpSystems Cobalt Strike through 4.7 that allowed a remote attacker to execute HTML on the Cobalt Strike teamserver. To exploit the vulnerability, one must first inspect a Cobalt Strike payload, and then modify the username field in the...

Emotet Botnet Started Distributing Quantum and BlackCat Ransomware

The Emotet malware is now being leveraged by ransomware-as-a-service RaaS groups, including Quantum and BlackCat, after Conti's official retirement from the threat landscape this year. Emotet started off as a banking trojan in 2014, but updates added to it over time have transformed the malware...

SparklingGoblin Revamps SideWalk Backdoor for Linux Variant

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary SparklingGoblin aka Earth Baku State-backed Chinese hackers has integrated a Linux variant of the SideWalk backdoor. SparklingGoblin Threat actors typically target East and Southeast Asian countries, wit...

Infra Used in Cisco Hack Also Targeted Workforce Management Solution

The attack infrastructure used to target Cisco in the May 2022 incident was also employed against an attempted compromise of an unnamed workforce management solutions holding company a month earlier in April 2022. Cybersecurity firm eSentire, which disclosed the findings, raised the possibility...

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...

10-Strike Network Inventory Explorer 9.3 Buffer Overflow

I. VULNERABILITY ------------------------- 10-Strike Network Inventory Explorer Version 9.3 - Privilege Escalation through SEH based Buffer Overflow II. VENDOR ------------------------- 10-Strike Network https://www.10-strike.com/ III. DESCRIPTION ------------------------- 10-Strike Network...

10-Strike Network Inventory Explorer 9.3 Buffer Overflow Vulnerability

10-Strike Network Inventory Explorer versions 9.3 and below are vulnerable to a SEH based buffer overflow which leads to code execution or local privilege escalation. The vulnerable part of the program is the functionality to add computers from a text file. I. VULNERABILITY...

China-backed APT41 Hackers Targeted 13 Organisations Worldwide Last Year

The Chinese advanced persistent threat APT actor tracked as Winnti has targeted at least 13 organizations geographically spanning across the U.S, Taiwan, India, Vietnam, and China against the backdrop of four different campaigns in 2021. "The targeted industries included the public sector,...

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...

Chisel-Strike - A .NET XOR Encrypted Cobalt Strike Aggressor Implementation For Chisel To Utilize Faster Proxy And Advanced Socks5 Capabilities

A .NET XOR encrypted cobalt strike aggressor implementation for chisel to utilize faster proxy and advanced socks5 capabilities. Why write this? In my experience I found socks4/socks4a proxies quite slow in comparison to its socks5 counterparts and a lack of implementation of socks5 in most C2...

Manjusaka – Cybercriminal’s new attack framework weapon

Threat Level Attack Report For a detailed advisory, download the pdf file here Summary Manjusaka is a new attack framework that mimics Cobalt Strike and Sliver. The new malware family implants are written in the Rust programming language and are compatible with Windows and Linux. The command and...

Malicious Package

Overview sxg-playground is a malicious package. The package's name is based on existing repositories, namespaces, or components used by popular companies in an effort to trick employees into downloading it, also known as 'dependency confusion'. Therefore, you're only vulnerable if this package wa...

LockBit 3.0 makes a comeback by exploiting Log4j

Threat Level Actor Report For a detailed advisory, download the pdf file here Summary LockBit 3.0 LockBit Black, a new variant of LockBit Ransomware, is deploying Cobalt Strike beacons on compromised systems by exploiting the Windows Defender command line tool and Log4j in VMware Horizon...

Manjusaka: A Chinese sibling of Sliver and Cobalt Strike

By Asheer Malhotra and Vitor Ventura. Cisco Talos recently discovered a new attack framework called "Manjusaka" being used in the wild that has the potential to become prevalent across the threat landscape. This framework is advertised as an imitation of the Cobalt Strike framework. The implants...

LockBit Ransomware Abuses Windows Defender to Deploy Cobalt Strike Payload

A threat actor associated with the LockBit 3.0 ransomware-as-a-service RaaS operation has been observed abusing the Windows Defender command-line tool to decrypt and load Cobalt Strike payloads. According to a report published by SentinelOne last week, the incident occurred after obtaining initia...

Gootkit Loader Resurfaces with Updated Tactic to Compromise Targeted Computers

The operators of the Gootkit access-as-a-service AaaS malware have resurfaced with updated techniques to compromise unsuspecting victims. "In the past, Gootkit used freeware installers to mask malicious files; now it uses legal documents to trick users into downloading these files," Trend Micro...

Gootkit Loader’s Updated Tactics and Fileless Delivery of Cobalt Strike

Gootkit has been known to use fileless techniques to drop Cobalt Strike and other malicious payloads. Insights from a recent attack reveal updates in its tactics...

Russian Hackers Using DropBox and Google Drive to Drop Malicious Payloads — The Hacker News

The Russian state-sponsored hacking collective known as APT29 has been attributed to a new phishing campaign that takes advantage of legitimate cloud services like Google Drive and Dropbox to deliver malicious payloads on compromised systems. "These campaigns are believed to have targeted several...

Hackers Abusing BRc4 Red Team Penetration Tool in Attacks to Evade Detection

Malicious actors have been observed abusing legitimate adversary simulation software in their attacks in an attempt to stay under the radar and evade detection. Palo Alto Networks Unit 42 said a malware sample uploaded to the VirusTotal database on May 19, 2022, contained a payload associated wit...

Zero strike call options can be systemically used to steal premium from the taker

Lines of code Vulnerability details Some non-malicious ERC20 do not allow for zero amount transfers and order.baseAsset can be such an asset. Zero strike calls are valid and common enough derivative type. However, the zero strike calls with such baseAsset will not be able to be exercised, allowin...