Command and Control (TA0011)(external, opens in a new tab or window)
text code block:network where host.os.type in ("macos", "windows") and // GenAI processes process.name in ( "ollama.exe", "ollama", "Ollama", "textgen.exe", "textgen", "text-generation-webui.exe", "oobabooga.exe", "lmstudio.exe", "lmstudio", "LM Studio", "claude.exe", "claude", "Claude", "cursor.exe", "cursor", "Cursor", "copilot.exe", "copilot", "Copilot", "codex.exe", "codex", "Jan", "jan.exe", "jan", "gpt4all.exe", "gpt4all", "GPT4All", "gemini-cli.exe", "gemini-cli", "genaiscript.exe", "genaiscript", "grok.exe", "grok", "qwen.exe", "qwen", "koboldcpp.exe", "koboldcpp", "KoboldCpp", "llama-server", "llama-cli", "deno.exe", "deno", "npx", "pnpm", "yarn", "bunx" ) and // Suspicious TLDs ( // Windows DNS events (host.os.type == "windows" and dns.question.name != null and dns.question.name regex """.*\.(top|buzz|xyz|rest|ml|cf|gq|ga|onion|monster|cyou|quest|cc|bar|cfd|click|cam|surf|tk|shop|club|icu|pw|ws|online|fun|life|boats|store|hair|skin|motorcycles|christmas|lol|makeup|mom|bond|beauty|biz|live|work|zip|country|accountant|date|party|science|loan|win|men|faith|review|racing|download|host)""") or // macOS network events (host.os.type == "macos" and destination.domain != null and destination.domain regex """.*\.(top|buzz|xyz|rest|ml|cf|gq|ga|onion|monster|cyou|quest|cc|bar|cfd|click|cam|surf|tk|shop|club|icu|pw|ws|online|fun|life|boats|store|hair|skin|motorcycles|christmas|lol|makeup|mom|bond|beauty|biz|live|work|zip|country|accountant|date|party|science|loan|win|men|faith|review|racing|download|host)""") // Linux DNS events // Revist when available )
Install detection rules in Elastic Security
Detect GenAI Process Connection to Suspicious Top Level Domain in the Elastic Security detection engine by installing this rule into your Elastic Stack.
To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(external, opens in a new tab or window).