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 David Deflache, Sebastien Tricaud Summary This week, we share data from another attack being exploited. In August 2022, analysts uncovered a cyber attack on a government-run Indonesian company by the APT group GhostEmperor. Known since 2021, GhostEmperor specializes in cyberespionage across sectors, employing tactics such as phishing, software exploits, and…
TLP TLP TLP CLEAR Author David Deflache, Sebastien Tricaud Summary In 2022, a targeted cyberattack employing the WebDav-O malware was identified against a Russian government agency. This malicious activity, linked to the CoughingDown group, spanned back to 2018 and targeted government entities in Belarus. The campaign involved the discovery of multiple WebDav-O variants, with observed…
TLP TLP TLP CLEAR Author David Deflache, Sebastien Tricaud Summary This week, we share data from another attack being exploited. Atlassian Confluence faces a critical security threat with an actively exploited unauthenticated remote code execution vulnerability in Confluence Data Center and Server. The injection flaw enables unauthorized users to execute arbitrary code, affecting all versions…
TLP TLP TLP CLEAR Author Sebastien Tricaud Summary This week, we share data from an actively exploited attack from the CISA Known Exploited Vulnerabilities Catalog. This is the /var/log/audit.log file from the F5 boxes which were compromised. A critical security advisory, CVE-2023-46747, reveals an unauthenticated remote code execution vulnerability in the BIG-IP Configuration utility. This…
TLP TLP TLP CLEAR Author Sebastien Tricaud Summary This scenario automates the download and installation of AnyDesk, a remote desktop software, on a Windows system. It begins by resolving the IP address of the AnyDesk download server through DNS resolution. Subsequently, it simulates a Windows environment for an HTTP request, fetches the AnyDesk.exe file from…
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 In a recent cyber attack, the Snatch Team used RDP brute force to infiltrate a network and rapidly executed a series of sophisticated actions within a short time frame. They gained initial access by logging into a Domain Administrator (DA) account, performed various commands, and initiated…
TLP TLP TLP CLEAR Author Jordi M. Lobo Summary The Trigona ransomware, emerging in late 2022, has rapidly evolved with continuous updates. By April 2023, it started targeting MSSQL servers through brute force methods. This threat is linked to the CryLock ransomware group and possibly ALPHV (BlackCat), though their involvement remains uncertain. The US and…
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