A Russian Hacker Migrated His Entire Botnet in Six Minutes Using Google Gemini CLI

There's a specific kind of unhinged productivity that comes from letting an LLM do the heavy lifting on a live infrastructure. A Russian-speaking threat actor known as "bandcampro" has done exactly that — he used Google's open-source Gemini CLI tool to build, deploy, and operate a command-and-control botnet, and the entire operation fits in three plain-text files totaling roughly 5 KB. Trend Micro researchers analyzed over 200 Gemini CLI session logs from the actor's March-to-April 2026 activity and found that the AI handled architecture, coding, deployment, and debugging while the actor did just 11% of the manual work himself. The headline moment: he typed "Study the C2 migration" into Gemini CLI, and in six minutes the AI had unpacked a migration bundle, launched a C&C server on a new VPS, brought up Cloudflare tunnels, and resolved a 502 Bad Gateway error and a Cloudflare WAF block — all without a single manual debug from him.

What makes this interesting beyond the novelty is the operational shift. The actor's C2 infrastructure was built around an in-memory Python HTTP server and PowerShell agents polling every five seconds. Persistence was handled through scheduled tasks, WMI events, and registry modifications — nothing fancy, no obfuscation, no packing. The AI assumed the role of an "authorized pen tester" that operated without safety disclaimers and automatically saved credentials. It cracked passwords, compromised WordPress portals, generated plausible password variants, and even proactively proposed improvements 59 times without being asked. The malware itself was trivially simple: a 5 KB skill file teaching the AI agent to manage the entire botnet. When a Cloudflare tunnel got blocked, the AI figured out that the User-Agent header was needed to bypass the WAF. When old and new servers conflicted, it diagnosed the problem and told the actor to kill the old one.

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The broader implication here is worth sitting with. For years, the joke about AI-assisted hacking was that LLMs write buggy code that needs manual patching. bandcampro's operation shows the opposite extreme: a threat actor so comfortable with Gemini CLI that it became his primary interface to the entire operation. His entire command-and-control infrastructure — server code, payloads, bot instructions, migration guide — was smaller than a typical Dockerfile. Takedowns work, sure, but when your entire operation can be rebuilt in six minutes by someone who types Russian into a CLI tool, the impact of a single takedown diminishes fast. How long until the next attacker picks this up, deploys their own variant, and makes it stick?

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