Microsoft Issues Improved Mitigations for Unpatched Exchange Server Vulnerabilities

Microsoft on Friday disclosed it has made more improvements to the mitigation method offered as a means to prevent exploitation attempts against the newly disclosed unpatched security flaws in Exchange Server. To that end, the tech giant has revised the blocking rule in IIS Manager from...

Microsoft Exchange Server Remote Code Execution Vulnerability (CNVD-2022-67838)

Microsoft Exchange Server is a popular mail service program developed by Microsoft. Microsoft Exchange Server has a security vulnerability that can be exploited by remote attackers to submit special requests that can execute arbitrary code via PowerShell in the context of an application...

Metasploit Weekly Wrap-Up

Bofloader - Windows Meterpreter Gets Beacon Object File Loader Support This week brings a new and frequently requested feature to the Windows Meterpreter, the Beacon Object File loader. This new extension, bofloader, allows for users to execute Beacon Object Files as written for either Cobalt...

Exploit for Server-Side Request Forgery in Microsoft

PoC exploit for CVE-2022-41040 is absent, but this repository co...

Microsoft: Two New 0-Day Flaws in Exchange Server

Microsoft Corp. is investigating reports that attackers are exploiting two previously unknown vulnerabilities in Exchange Server, a technology many organizations rely on to send and receive email. Microsoft says it is expediting work on software patches to plug the security holes. In the meantime...

Microsoft Confirms 2 New Exchange Zero-Day Flaws Being Used in the Wild

Microsoft officially disclosed it investigating two zero-day security vulnerabilities impacting Exchange Server 2013, 2016, and 2019 following reports of in-the-wild exploitation. "The first vulnerability, identified as CVE-2022-41040, is a Server-Side Request Forgery SSRF vulnerability, while th...

Microsoft Exchange Server 代码问题漏洞

Microsoft Exchange Server is a popular mail service program developed by Microsoft. Microsoft Exchange Server has a security vulnerability that can be exploited by remote attackers to submit special requests that can execute arbitrary code via PowerShell in the context of an application...

Researchers Uncover Covert Attack Campaign Targeting Military Contractors

A new covert attack campaign singled out multiple military and weapons contractor companies with spear-phishing emails to trigger a multi-stage infection process designed to deploy an unknown payload on compromised machines. The highly-targeted intrusions, dubbed STEEPMAVERICK by Securonix, also...

Hackers Using PowerPoint Mouseover Trick to Infect Systems with Malware

The Russian state-sponsored threat actor known as APT28 has been found leveraging a new code execution method that makes use of mouse movement in decoy Microsoft PowerPoint documents to deploy malware. The technique "is designed to be triggered when the user starts the presentation mode and moves...

PSAsyncShell - PowerShell Asynchronous TCP Reverse Shell

PSAsyncShell is an Asynchronous TCP Reverse Shell written in pure PowerShell. Unlike other reverse shells, all the communication and execution flow is done asynchronously, allowing to bypass some firewalls and some countermeasures against this kind of remote connections. Additionally, this tool...

Malicious NPM Package Caught Mimicking Material Tailwind CSS Package

A malicious NPM package has been found masquerading as the legitimate software library for Material Tailwind, once again indicating attempts on the part of threat actors to distribute malicious code in open source software repositories. Material Tailwind is a CSS-based framework advertised by its...

Exploit for CVE-2022-30190

CVE-2022-30190 Follina !build.ymlhttps://github.com/win...

Russian Gamaredon Hackers Target Ukrainian Government Using Info-Stealing Malware

An ongoing espionage campaign operated by the Russia-linked Gamaredon group is targeting employees of Ukrainian government, defense, and law enforcement agencies with a piece of custom-made information stealing malware. "The adversary is using phishing documents containing lures related to the...

Gamaredon APT targets Ukrainian government agencies in new campaign

By Asheer Malhotra and Guilherme Venere. Cisco Talos recently identified a new, ongoing campaign attributed to the Russia-linked Gamaredon APT that infects Ukrainian users with information-stealing malware. The adversary is using phishing documents containing lures related to the Russian invasion...

PersistenceSniper - Powershell Script That Can Be Used By Blue Teams, Incident Responders And System Administrators To Hunt Persistences Implanted In Windows Machines

PersistenceSniper is a Powershell script that can be used by Blue Teams, Incident Responders and System Administrators to hunt persistences implanted in Windows machines. The script is also available on Powershell Gallery. --- The Why Why writing such a tool, you might ask. Well, for starters, I...

Powershell Exec, Windows shellcode stage, Reverse TCP Stager (DNS)

Execute an x86 payload from a command via PowerShell. Custom shellcode stage. Connect back to the attacker Module Options msf use payload/cmd/windows/powershell/custom/reversetcpdns msf payloadreversetcpdns show actions ...actions... msf payloadreversetcpdns set ACTION msf payloadreversetcpdns sh...

Powershell Exec, Windows shellcode stage, Windows x64 Reverse TCP Stager

Execute an x64 payload from a command via PowerShell. Custom shellcode stage. Connect back to the attacker Windows x64 Module Options msf use payload/cmd/windows/powershell/x64/custom/reversetcp msf payloadreversetcp show actions ...actions... msf payloadreversetcp set ACTION msf payloadreversetc...

Powershell Exec, Windows shellcode stage, Bind TCP Stager (RC4 Stage Encryption, Metasm)

Execute an x86 payload from a command via PowerShell. Custom shellcode stage. Listen for a connection Module Options msf use payload/cmd/windows/powershell/custom/bindtcprc4 msf payloadbindtcprc4 show actions ...actions... msf payloadbindtcprc4 set ACTION msf payloadbindtcprc4 show options ...sho...

Powershell Exec, Windows shellcode stage, Bind TCP Stager with UUID Support (Windows x86)

Execute an x86 payload from a command via PowerShell. Custom shellcode stage. Listen for a connection with UUID Support Windows x86 Module Options msf use payload/cmd/windows/powershell/custom/bindtcpuuid msf payloadbindtcpuuid show actions ...actions... msf payloadbindtcpuuid set ACTION msf...

Powershell Exec, Windows shellcode stage, Find Tag Ordinal Stager

Execute an x86 payload from a command via PowerShell. Custom shellcode stage. Use an established connection Module Options msf use payload/cmd/windows/powershell/custom/findtag msf payloadfindtag show actions ...actions... msf payloadfindtag set ACTION msf payloadfindtag show options ...show and...