Chinese Hackers Implant PlugX Variant on Compromised MS Exchange Servers

A Chinese cyberespionage group known for targeting Southeast Asia leveraged flaws in the Microsoft Exchange Server that came to light earlier this March to deploy a previously undocumented variant of a remote access trojan RAT on compromised systems. Attributing the intrusions to a threat actor...

US, EU, UK, NATO blame china for “reckless” Exchange attacks

Do you remember back when the latest urgent update was a vulnerability in Microsoft Exchange? How is that only four months ago? The trigger for the urgent advice in March was the fact that Microsoft detected multiple zero-day exploits being used to attack on-premises versions of Microsoft Exchang...

Police Grab Slilpp, Biggest Stolen-Logins Market

The U.S. Department of Justice DOJ announced on Thursday that a multinational operation has led to the seizure of Slilpp, a well-known marketplace for selling stolen online logins that offered more than 80 million sets of credentials for sale. Since 2012, Slilpp has been an underground market to...

Microsoft Exchange ProxyLogon Collector

Exploit Title: Microsoft Exchange 2019 - Unauthenticated Email Download Metasploit Date: 2021-03-02 Exploit Author: RAMELLA Sébastien Vendor Homepage: https://microsoft.com Version: This vulnerability affects Exchange 2013 Versions 'Microsoft Exchange ProxyLogon Collector', 'Description' = %q Thi...

Microsoft Exchange 2019 - Unauthenticated Email Download (Metasploit)

Exploit Title: Microsoft Exchange 2019 - Unauthenticated Email Download Metasploit Date: 2021-03-02 Exploit Author: RAMELLA Sébastien Vendor Homepage: https://microsoft.com Version: This vulnerability affects Exchange 2013 Versions 'Microsoft Exchange ProxyLogon Collector', 'Description' = %q Thi...

Lemon Duck Cryptojacking Botnet Changes Up Tactics

The Lemon Duck cryptocurrency-mining botnet has added the ProxyLogon group of exploits to its bag of tricks, targeting Microsoft Exchange servers. That’s according to researchers at Cisco Talos, who said that the cybercrime group behind Lemon Duck has also added the Cobalt Strike attack framework...

Top 12 Security Flaws Russian Spy Hackers Are Exploiting in the Wild

Cyber operatives affiliated with the Russian Foreign Intelligence Service SVR have switched up their tactics in response to previous public disclosures of their attack methods, according to a new advisory jointly published by intelligence agencies from the U.K. and U.S. Friday. "SVR cyber operato...

Proxylogon: A Coinminer, a Ransomware, and a Botnet Join the Party

Our telemetry showed three malware families taking advantage of the ProxyLogon vulnerability beginning in March: the coinminer LemonDuck was sighted first, quickly followed by the ransomware BlackKingdom, then the Prometei botnet...

LuckyMouse Hackers Target Banks, Companies and Governments in 2020

An adversary known for its watering hole attacks against government entities has been linked to a slew of newly detected intrusions targeting various organizations in Central Asia and the Middle East. The malicious activity, collectively named "EmissarySoldier," has been attributed to a threat...

Prometei Botnet Could Fire Up APT-Style Attacks

A heretofore little-seen botnet dubbed Prometei is taking a page from advanced persistent threat APT cyberattackers: The malware is exploiting two of the Microsoft Exchange vulnerabilities collectively known as ProxyLogon, in order to drop a Monero cryptominer on its targets. It’s also highly...

Mandiant Front Lines: How to Tackle Exchange Exploits

Recently, the public learned of multiple vulnerabilities “ProxyLogon” that impacted Microsoft’s on-premises Exchange Server, a software application used worldwide to manage communications between employees. Since then, many in the security industry have come to realize that attackers knew of thes...

Attackers Target ProxyLogon Exploit to Install Cryptojacker

Cryptojacking can be added to the list of threats that face any unpatched Exchange servers that remain vulnerable to the now-infamous ProxyLogon exploit, new research has found. Researchers discovered the threat actors using Exchange servers compromised using the highly publicized exploit...

Ransomware Attack Creates Dutch Cheese Shortages

An Easter weekend ransomware attack on a food-logistics firm in the Netherlands has caused shortages of prepackaged cheese in supermarkets across the country. The largest Dutch grocery store chain had some bad news for a cheese-mad nation. “Due to a technical malfunction, there is limited...

FBI Clears ProxyLogon Web Shells from Hundreds of Orgs

The Feds have cleared malicious web shells from hundreds of vulnerable computers in the United States that had been compromised via the now-infamous ProxyLogon Microsoft Exchange vulnerabilities. ProxyLogon comprises a group of security bugs affecting on-premises versions of Microsoft Exchange...

Microsoft Exchange Servers See ProxyLogon Patching Frenzy

The patching level for Microsoft Exchange Servers that are vulnerable to the ProxyLogon group of security bugs has reached 92 percent, according to Microsoft. The computing giant tweeted out the stat earlier this week – though of course patching won’t fix already-compromised machines. Still, that...

Microsoft Exchange ProxyLogon Remote Code Execution

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Microsoft Exchange ProxyLogon RCE', 'Description' = %q This module exploit a vulnerability on Microsoft Exchange Server that allows an attacker...

Microsoft Exchange ProxyLogon Remote Code Execution Exploit

This Metasploit module exploits a vulnerability on Microsoft Exchange Server that allows an attacker bypassing the authentication, impersonating as the admin CVE-2021-26855 and write arbitrary file CVE-2021-27065 to get the RCE Remote Code Execution. By taking advantage of this vulnerability, you...

A week in security (March 15 – 21)

Last week on Malwarebytes Labs, our podcast featured Adam Kujawa, who talked us through our 2021 State of Malware report. We cover our own research on: Royal mail parcel scam How your iPhone can tell you if you’re being stalked Careers in cybersecurity ProxyLogon PoC whack-a-mole Teen behind 2020...

Microsoft Exchange Server ProxyLogon vulnerability

Added: 03/19/2021 Background Microsoft Exchange is an e-mail server for Microsoft Windows operating systems. Problem A server-side request forgery vulnerability in Microsoft Exchange allows remote attackers to execute arbitrary commands. Resolution Apply the patch referenced in Microsoft Advisory...

Microsoft Exchange 2019 SSRF / Arbitrary File Write

import requests from urllib3.exceptions import InsecureRequestWarning import random import string import sys def idgeneratorsize=6, chars=string.asciilowercase + string.digits: return ''.joinrandom.choicechars for in rangesize if lensys.argv " print"使用方式: python PoC.py mail.btwaf.cn [email protected]...