TTPs_2_Analysis_of_the_Bookcodes_RAT_C2_framework_starting_with_spear_phishing.hwp

The Korea Internet & Security Agency's TTPs #2 report details spear-phishing–driven intrusion campaigns, initial access methods, malware deployment (BookCode RAT and related tools), persistence, internal reconnaissance, data collection, exfiltration, and a remote-control framework with multiple C2 and MID components, complemented by ATT&CK mappings and YARA rules, and accompanied by defender guidance.