Beyond Macros: Paper Werewolf’s “EchoGather” Backdoor Exploits Excel XLLs Malware Beyond Macros: Paper Werewolf’s “EchoGather” Backdoor Exploits Excel XLLs ddos December 29, 2025 The Excel format—long regarded as a harmless office staple—is increasingly being exploited as an entry point for... Read More Read more about Beyond Macros: Paper Werewolf’s “EchoGather” Backdoor Exploits Excel XLLs
