T1078 Valid Accounts
2 threats tracked by Spectrum Delta use this technique.
Volt Typhoon Silent Train
Zero-day exploitation of edge and management platforms for admin control and downstream reach
Admin logins to SD-WAN orchestrator, RMM, Versa Director or KACE consoles from relay ASNs, residential ranges or during China Standard Time hours; new admin accounts and credential changes after edge exploitation
Seen in: SD-WAN/RMM console logs
Gheist
Valid accounts: stolen GitHub tokens implant workflows at repository scale
GitHub push and commit telemetry: branch-create/push events for names matching ^ci-sync-[0-9a-z]{6}$ where the commit adds only .github/workflows/sync-check.yml with message 'ci: sync config' and no signature; GitHub audit logs for the same pushes (repo.push, workflow events) and for token usage by the 'gheist' user agent. Where OIDC is used, CloudTrail role assumptions with ci-sync- in the subject prove the branch ran
Seen in: GitHub push and commit events