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Skeleton Key is malware used to inject false credentials into domain controllers with the intent of creating a backdoor password. (Citation: Dell Skeleton) Functionality similar to Skeleton Key is included as a module in Mimikatz.
Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.
2 distinct techniques documented for this family, organized by ATT&CK tactic.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Skeleton Key is a malware that allows attackers to authenticate as any user in Active Directory by patching the authentication process on domain controllers, providing persistent backdoor access.
Malware used for persistence in Active Directory environments by injecting into LSASS and creating a master password that works for any domain account.
Match every observed IP, domain, and hash against your live telemetry.
Named campaigns wielding this family, with evidence pinned to each claim.
CVEs this family uses for access and lateral movement.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Every documented technique, ranked by evidence weight.
Reddit, Mastodon, and CTI community discussion around this family.