[국내외 동향] [CTT] Iranian APT Infrastructure

This report delves into the cyber threats posed by Iran-linked hacking groups targeting the United States and Israel amidst heightened geopolitical tensions, and their network infrastructure. The analysis team suggests ways to proactively detect signs of attack by tracking the unique server patterns, TLS fingerprints, and hosting clusters used by major threat actors, including MuddyWater and APT42. Specifically, the report emphasizes that even if attackers use services like CloudFlare to conceal their identities, correlating certificate data or file hashes can reveal the underlying infrastructure. Furthermore, the report advises that defenders should go beyond simply responding to indicators of compromise and proactively block attacks before they begin through autonomous system (ASN)-based monitoring. Ultimately, this report provides practical guidelines for proactively preparing for nation-state-sponsored cyberattacks by leveraging advanced infrastructure intelligence.

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