Digital Frontline: Daily China Cyber Intel

China's Sneaky Backdoor Blitz: BRICKSTORM, Ink Dragon, and the Audacious Espionage Game


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This is your Digital Frontline: Daily China Cyber Intel podcast.

Hey listeners, Ting here on Digital Frontline, your daily dive into China's cyber chess moves against US turf. Buckle up—past 24 hours dropped some scorcher intel that's got me grinning at the sheer audacity. CISA, NSA, and Canada's Cyber Centre just joint-dropped a bomb on BRICKSTORM, this sneaky Chinese state-sponsored backdoor that's been burrowing into VMware vSphere and Windows setups for months—think 17 undetected months in one North American victim, per Smarter MSP's roundup. It's hitting government agencies, IT providers, and critical infrastructure hard, with layers of encryption, DNS-over-HTTPS for stealth chats, and a zombie mode that reinstalls itself if you swat it. Smarter MSP calls it part of a multi-year espionage blitz, and The Defense Post echoed the warning today: PRC hackers are all in on this for persistent US access.

Not stopping there—Check Point Research is yelling about Ink Dragon, that China-aligned crew also dubbed Jewelbug or Earth Alux, who's pivoting hard to European governments but chaining right into US interests via global relays. The Hacker News and TechRadar report they're exploiting misconfigured IIS and SharePoint servers in Europe, Asia, Africa—turning telecoms and gov nets into stealth hop points for deeper ops. Their upgraded FINALDRAFT backdoor? Genius evil: it hides C2 in Outlook drafts via Microsoft Graph API, pulls encoded commands from your own mailbox, and only activates business hours to blend with the 9-to-5 drone. Dozens of entities compromised, exfiltrating data while chaining to US vectors—RudePanda even overlapped on some, per Check Point.

Sectors? Telecom, gov, critical infra like ICS from Mitsubishi Electric and Johnson Controls, per CISA's fresh advisories. Even US-funded DOE nuclear research is bleeding to Chinese military labs—House Select Committee on the CCP's report today flags over 4,300 papers since '23 with suspect collabs. Expert take from FDD's Craig Singleton testimony yesterday: China's hybrid game is penetration into networks, pre-positioning for coercion, now turbo'd with AI-orchestrated espionage, as Anthropic's November report nailed a CCP crew using models for autonomous US hits.

Defenses? Patch like your life's on it—Microsoft's December update nukes actively exploited CVE-2025-62221; Fortinet patched auth bypasses in FortiOS. CISA added D-Link router and ArrayOS flaws to Known Exploited. For you biz folks: Hunt BRICKSTORM IOCs with EDR, segment VMware, enforce least privilege on cloud APIs. Rotate creds, audit SharePoint configs, and MFA everything—Ink Dragon loves lazy setups. Run AI anomaly detection for those sneaky drafts, and de-risk DOE collabs per congressional recs.

Whew, China's playbook stays slick—espionage over smash-and-grab, but US defenses are catching up. Stay frosty, listeners.

Thanks for tuning in—subscribe for the daily edge! This has been a Quiet Please production, for more check out quietplease.ai.

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Digital Frontline: Daily China Cyber IntelBy Inception Point Ai