{"id":"T1553.002","name":"Code Signing","url":"https://attack.mitre.org/techniques/T1553/002","tactics":["defense-impairment"],"platforms":["macOS","Windows"],"live":true,"revoked":false,"deprecated":false,"revoked_by":null,"detection_strategies":[{"id":"DET0230","stix_id":"x-mitre-detection-strategy--01cc085c-7d7d-49fc-9d15-bc5b2226026a","name":"Detect Suspicious or Malicious Code Signing Abuse","url":"https://attack.mitre.org/detectionstrategies/DET0230","analytics":[{"id":"AN0643","stix_id":"x-mitre-analytic--b5d77678-fff4-41cd-9e77-d3f82243240a","name":"Analytic 0643","description":"Detects execution of binaries signed with unusual or recently issued certificates, correlation of process execution with abnormal publisher metadata, and mismatched certificate chains. Monitors for revoked or unknown code signing certificates used in high-privilege contexts.","url":"https://attack.mitre.org/detectionstrategies/DET0230#AN0643","platforms":["Windows"],"log_source_references":[{"name":"WinEventLog:Security","channel":"EventCode=4688","data_component":"DC0032","data_component_name":"Process Creation","log_source_slug":"wineventlog-security"},{"name":"WinEventLog:Sysmon","channel":"EventCode=7","data_component":"DC0016","data_component_name":"Module Load","log_source_slug":"wineventlog-sysmon"}],"mutable_elements":[{"field":"AllowedCertificateAuthorities","description":"Define trusted issuers to suppress noise from legitimate enterprise signing chains"},{"field":"TimeWindow","description":"Correlation window for detecting execution of binaries with newly observed or anomalous certificates"},{"field":"CertificateAgeThreshold","description":"Baseline normal age of certificates; flag very recent or expired certificates"}],"live":true,"detection_strategies":["DET0230"],"techniques":["T1553.002"]},{"id":"AN0644","stix_id":"x-mitre-analytic--969bd6a3-b89f-4279-9bd2-3fc461880308","name":"Analytic 0644","description":"Monitors Gatekeeper, spctl, and unified log entries for binaries executed with unexpected or untrusted signatures. Correlates file metadata changes with process launches where signature validation is skipped, altered, or fails but the process still executes.","url":"https://attack.mitre.org/detectionstrategies/DET0230#AN0644","platforms":["macOS"],"log_source_references":[{"name":"macos:unifiedlog","channel":"Code signing verification failures or bypassed trust decisions","data_component":"DC0059","data_component_name":"File Metadata","log_source_slug":"macos-unifiedlog"},{"name":"macos:unifiedlog","channel":"Execution of binaries with unsigned or anomalously signed certificates","data_component":"DC0032","data_component_name":"Process Creation","log_source_slug":"macos-unifiedlog"}],"mutable_elements":[{"field":"DeveloperIDAllowList","description":"Maintain list of expected Developer IDs to minimize false positives from enterprise apps"},{"field":"TimeWindow","description":"Correlates file signature changes with subsequent executions"}],"live":true,"detection_strategies":["DET0230"],"techniques":["T1553.002"]}],"live":true,"version":"1.0","techniques":["T1553.002"]}],"sigma_rules":[{"id":"39a80702-d7ca-4a83-b776-525b1f86a36d","title":"Potential Secure Deletion with SDelete","author":"Thomas Patzke","status":"test","level":"medium","date":"2017-06-14","modified":"2024-12-13","description":"Detects files that have extensions commonly seen while SDelete is used to wipe files.","references":["https://jpcertcc.github.io/ToolAnalysisResultSheet/details/sdelete.htm","https://www.jpcert.or.jp/english/pub/sr/ir_research.html","https://learn.microsoft.com/en-gb/sysinternals/downloads/sdelete"],"logsource":{"product":"windows","service":"security"},"tags":["attack.impact","attack.stealth","attack.defense-impairment","attack.t1070.004","attack.t1027.005","attack.t1485","attack.t1553.002","attack.s0195"],"path":"rules/windows/builtin/security/win_security_sdelete_potential_secure_deletion.yml","techniques":["T1070.004","T1027.005","T1485","T1553.002"],"cves":[]}],"kev_cves":[],"_built":"2026-08-24 19:45 UTC","_attack_version":"19.2","_sigma_commit":"da9bb07d642a2826e89702445d32c795209ec108"}