Ghidra data type archive for Windows driver functions
Cisco Talos is releasing a GDT file on GitHub that contains various definitions for functions and data types.
Exploring malicious Windows drivers (Part 2): the I/O system, IRPs, stack locations, IOCTLs and more
As the second entry in our “Exploring malicious Windows drivers” series, we will continue where the first left off: Discussing the I/O system and IRPs.
Exploring malicious Windows drivers (Part 1): Introduction to the kernel and drivers
Malicious drivers are difficult to detect and successfully leveraging one can give an attacker full access to a system.
Undocumented driver-based browser hijacker RedDriver targets Chinese speakers and internet cafes
Cisco Talos has identified multiple versions of an undocumented malicious driver named “RedDriver,” a driver-based browser hijacker that uses the Windows Filtering Platform (WFP) to intercept browser traffic.
Old certificate, new signature: Open-source tools forge signature timestamps on Windows drivers
Actors are leveraging multiple open-source tools that alter the signing date of kernel mode drivers to load malicious and unverified drivers signed with expired certificates.
Microsoft Patch Tuesday for April 2023 — Snort rules and prominent vulnerabilities
April is the third month in a row in which at least one of the vulnerabilities Microsoft released in a Patch Tuesday had been exploited in the wild prior to disclosure.
Get a Loda This: LodaRAT meets new friends
* LodaRAT samples were deployed alongside other malware families, including RedLine and Neshta. * Cisco Talos identified several variants and altered versions of LodaRAT with updated functionality have been seen in the wild. * Changes in these LodaRAT variants include new f
Microsoft Patch Tuesday for November 2022 — Snort rules and prominent vulnerabilities
Microsoft released its monthly security update on Tuesday, disclosing 62 vulnerabilities. Of these vulnerabilities, 8 are classified as “Critical” and the rest are classified as “Important.”
Avos ransomware group expands with new attack arsenal
By Flavio Costa, * In a recent customer engagement, we observed a month-long AvosLocker campaign. * The attackers utilized several different tools, including Cobalt Strike, Sliver and multiple commercial network scanners. * The initial ingress point in this incident was a pa