Buongiorno, executive summary: se non è un supply-chain attack i responsabili della distribuzione degli aggiornamenti dovrebbero nascondersi... lontano lontano. Attendiamo aggiornamenti. Brutta giornata oggi quella dei sysadmin che su MS Windows usano il "Falcon Sensor" di CrowdStrike... e per tutti gli utenti dei servizi (tanti, troppi!) gestiti da simili sistemi. L'impatto sui moltissimi servizi in molte parti del mondo è ancora poco chiaro ma è già abbastanza da creare indicibili disagi su informazione, trasporti e sanità: https://en.wikipedia.org/wiki/July_2024_global_cyber_outages La causa ormai praticamente certa è l'aggiornamento (bacato) di "Falcon Sensor" della società CrowdStrike (per la serie The Empire Strikes Back aka Star Wars: Episode V :-O ). https://www.theregister.com/2024/07/19/crowdstrike_falcon_sensor_bsod_incide... «CrowdStrike code update bricking PCs around the world» [2024-07-19 ven 10:27] --8<---------------cut here---------------start------------->8--- UPDATED An update to a product from infosec vendor CrowdStrike is bricking computers running Windows. /The Register/ has found numerous accounts of Windows 10 PCs crashing, displaying the Blue Screen of Death, then being unable to reboot. “We're seeing BSOD Org wide that are being caused by csagent.sys, and it's taking down critical services. I'll open a ticket, but this is a big deal,” [wrote] one user. Forums [report] that Crowdstrike has issued an advisory with a URL that includes the text "Tech-Alert-Windows-crashes-related-to-Falcon-Sensor-2024-07-19" – but it's behind a regwall that only customers can access. An apparent [screenshot] of that article reads "CrowdStrike is aware of reports of crashes on Windows hosts related to the Falcon Sensor. Symptoms include hosts experiencing a bugcheck\blue screen error related to the Falcon Sensor." CrowdStrike's engineers are working on the issue. Falcon Sensor is an agent that CrowdStrike [claims] "blocks attacks on your systems while capturing and recording activity as it happens to detect threats fast." Right now, however, the sensor appears to be the threat. Updated at 0730 UTC to add Brody Nisbet, CrowdStrike's chief threat hunter, has confirmed the issue and on X [posted] the following: There is a faulty channel file, so not quite an update. There is a workaround… 1. Boot Windows into Safe Mode or WRE. 2. Go to C:\Windows\System32\drivers\CrowdStrike 3. Locate and delete file matching "C-00000291*.sys" 4. Boot normally. In a later post he wrote "That workaround won't help everyone though and I've no further actionable help to provide at the minute". More to come as the situation evolves … [CrowdStrike code update bricking PCs around the world] <https://www.theregister.com/2024/07/19/crowdstrike_falcon_sensor_bsod_incide...> [wrote] <https://twitter.com/McCurdy1987/status/1814164537815585049> [report] <https://www.reddit.com/r/crowdstrike/comments/1e6vmkf/bsod_error_in_latest_c...> [screenshot] <https://twitter.com/Xaaavier_8613/status/1814180533108400569> [claims] <https://www.crowdstrike.com/products/trials/try-falcon-prevent/> [posted] <https://x.com/brody_n77/status/1814185935476863321> --8<---------------cut here---------------end--------------->8--- Saluti, 380° -- 380° (Giovanni Biscuolo public alter ego) «Noi, incompetenti come siamo, non abbiamo alcun titolo per suggerire alcunché» Disinformation flourishes because many people care deeply about injustice but very few check the facts. Ask me about <https://stallmansupport.org>.