[1388:1388:0404/162657.876366:ERROR:extensions/renderer/extension_frame_helper.cc:380] [POC-RENDERER] DidFinishLoad url=http://127.0.0.1:9876/attacker.html?poc-spoof-watched-page=nospoof target_ext=nbfmnccimfeiclnjanbhfehodliaoigk do_spoof=false [1388:1388:0404/162657.876738:ERROR:extensions/renderer/extension_frame_helper.cc:391] [POC-RENDERER] SKIPPING WatchedPageChange (negative control) [1312:1312:0404/162658.208479:INFO:CONSOLE:9] "[VICTIM-EXT] service worker loaded, id=nbfmnccimfeiclnjanbhfehodliaoigk", source: chrome-extension://nbfmnccimfeiclnjanbhfehodliaoigk/background.js (9) [1312:1312:0404/162658.227260:INFO:CONSOLE:25] "[VICTIM-EXT] declarativeContent rule registered", source: chrome-extension://nbfmnccimfeiclnjanbhfehodliaoigk/background.js (25) [1388:1388:0404/162658.877878:ERROR:extensions/renderer/extension_frame_helper.cc:407] [POC-RENDERER] sending OpenChannelToExtension as kContentScript of extension nbfmnccimfeiclnjanbhfehodliaoigk [1388:1388:0404/162658.879080:ERROR:extensions/renderer/extension_frame_helper.cc:438] [POC-RENDERER] PostMessage sent on spoofed content-script channel [1312:1312:0404/162658.879957:ERROR:extensions/browser/api/messaging/message_service_bindings.cc:124] [POC-BROWSER] IsValidMessagingSource(kContentScript) extension_id=nbfmnccimfeiclnjanbhfehodliaoigk process=5 DidProcessRunContentScriptFromExtension=false (would kill renderer) [1312:1312:0404/162658.880047:ERROR:extensions/browser/bad_message.cc:19] Terminating extension renderer for bad IPC message, reason 16