■■■■□ Chinese Weaver Ant hackers spied on telco network for 4 years.
Researchers investigating the intrusion found multiple variants of the China Chopper backdoor and a previously undocumented custom web-shell called ‘INMemory’ that executes payloads in the host’s memory.
https://www.bleepingcomputer.com/news/security/chinese-weaver-ant-hackers-spied-on-telco-network-for-4-years/