{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","favicon":"https://feed.craftedsignal.io/favicon-32x32.png","feed_url":"https://feed.craftedsignal.io/actors/awfulshred/feed.json","home_page_url":"https://feed.craftedsignal.io/","icon":"https://feed.craftedsignal.io/apple-touch-icon.png","items":[{"_cs_actors":["Awfulshred"],"_cs_cpes":[],"_cs_cves":[],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":[],"_cs_severities":["high"],"_cs_tags":["data-destruction","malware","linux"],"_cs_type":"threat","_cs_vendors":[],"content_html":"\u003cp\u003eThis brief details the detection of a high-impact data destruction technique targeting Linux environments. The activity involves the execution of the Unix shell command 'rm' with the '--no-preserve-root' argument, which bypasses built-in safety protections designed to prevent the recursive deletion of the root file system. This specific command usage is a known behavior of the Awfulshred malware, which aims to inflict severe damage, including full system data loss and total service disruption. Monitoring for this command-line execution is essential for defenders, as it often marks the final stage of an intrusion where an attacker attempts to cripple the target system's integrity and forensic viability.\u003c/p\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful execution of this command leads to irreversible data loss and total system instability. Depending on the privileges of the executing process, this can result in the destruction of all files and directories on the local host. This technique is primarily observed in destructive cyber campaigns intended to disrupt critical infrastructure and corporate operations.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cp\u003eDetection engineering teams should implement monitoring for process-creation events to catch this specific command pattern immediately.\u003c/p\u003e\n\u003cul\u003e\n\u003cli\u003eDeploy the provided Sigma rule to your SIEM and tune to ensure visibility into the 'rm' command-line arguments.\u003c/li\u003e\n\u003cli\u003eEnsure that EDR or Sysmon for Linux is configured to log full command-line arguments, as 'rm' activity is a high-fidelity indicator of malicious intent.\u003c/li\u003e\n\u003cli\u003eAlert on any instances where the 'rm' binary is executed by administrative or root-level service accounts with the '--no-preserve-root' flag.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-09-04T18:00:50Z","date_published":"2026-09-04T18:00:50Z","id":"https://feed.craftedsignal.io/briefs/2026-09-linux-data-destruction/","summary":"Detection engineers can identify potential data destruction attempts on Linux hosts by monitoring for the use of the 'rm' command with the '--no-preserve-root' flag, a technique utilized by the Awfulshred malware.","title":"Detection of Linux Data Destruction via rm Command","url":"https://feed.craftedsignal.io/briefs/2026-09-linux-data-destruction/"}],"language":"en","title":"CraftedSignal Threat Feed - Awfulshred","version":"https://jsonfeed.org/version/1.1"}