TLP TLP TLP CLEAR Author David Deflache, Sebastien Tricaud Summary In early November 2022, a targeted intrusion began via email, delivering an HTML file utilizing HTML smuggling. Previously relying on Excel macros, the threat actor adapted to Microsoft’s macro control updates. Upon opening the HTML, a disguised Adobe page prompted a ZIP download with a…
TLP TLP TLP CLEAR Author David Deflache, Sebastien Tricaud Summary This week, we share data from another attack being exploited. In mid-Autumn 2021, Kaspersky experts uncovered a ShadowPad malware campaign targeting a national telecom company in Pakistan. The attack, presumed to have begun in winter 2021, exploited MS Exchange vulnerability (CVE-2021-26855) to install a Cobalt…
TLP TLP TLP CLEAR Author Sebastien Tricaud Summary Caitlin Condon, an expert at Rapid7, has highlighted critical vulnerabilities in WS_FTP Server, a secure file transfer solution. These vulnerabilities, notably CVE-2023-40044 and CVE-2023-42657, were disclosed by Progress Software on September 27, 2023. CVE-2023-40044, a .NET deserialization flaw, allows remote code execution with a single HTTPS POST…
TLP TLP TLP CLEAR Author Jordi M. Lobo Summary Microsoft has uncovered a stealthy and targeted malicious campaign led by Volt Typhoon, a state-sponsored actor from China, with a focus on post-compromise credential access and network system discovery. Their primary targets are critical infrastructure organizations in the United States, including sectors such as communications, manufacturing,…
TLP TLP TLP CLEAR Author Jordi M. Lobo Summary In May 2023, a campaign using the “404 TDS” Traffic Distribution System delivered Truebot via email. Recipients clicking the email link were redirected through multiple URLs, ending in a fake Adobe Acrobat document download that was a Truebot executable. After execution, Truebot copied and renamed, then…
TLP TLP TLP CLEAR Author Sebastien TRICAUD Summary Agent Tesla RAT is a potent remote access trojan designed to infiltrate systems discreetly. Employed by threat actors, it facilitates unauthorized access to compromised systems, enabling data theft, surveillance, and control. Operating since 2014, it is notorious for its keylogging capabilities, recording keystrokes to gather sensitive information…
TLP TLP TLP CLEAR Author Jordi M. Lobo Summary Mallox is a ransomware strain that targets Microsoft Windows systems and has been active since June 2021. Recently, Unit 42 researchers observed a significant increase in Mallox ransomware activities, with a rise of almost 174% compared to the previous year. The group exploits unsecured MS-SQL servers…
TLP TLP TLP CLEAR Authors Sebastien Tricaud Summary Active Exploitation of Adobe Coldfusion CVE-2023-29298. We are providing data to help teams quickly detect and react to this ongoing threat. DATA TIMELINE CATEGORY Exploit references https://www.rapid7.com/blog/post/2023/07/17/etr-active-exploitation-of-multiple-adobe-coldfusion-vulnerabilities/
TLP TLP TLP CLEAR Author David Deflache Summary This case involves a sophisticated intrusion that occurred over an 11-day period. The threat actors initiated the attack by sending an email with a link to download a password-protected zip file containing an ISO file. Upon extraction, the ISO file mounted as a CD and executed a…
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