Techniques
Sample rules
Account Password Reset Remotely
- source: elastic
- technicques:
- T1098
- T1531
Description
Identifies an attempt to reset a potentially privileged account password remotely. Adversaries may manipulate account passwords to maintain access or evade password duration policies and preserve compromised credentials.
Detection logic
sequence by winlog.computer_name with maxspan=1m
[authentication where event.action == "logged-in" and
/* event 4624 need to be logged */
winlog.logon.type : "Network" and event.outcome == "success" and source.ip != null and
source.ip != "127.0.0.1" and source.ip != "::1" and
not winlog.event_data.TargetUserName : ("svc*", "PIM_*", "_*_", "*-*-*", "*$")] by winlog.event_data.TargetLogonId
/* event 4724 need to be logged */
[iam where event.action == "reset-password" and
(
/*
This rule is very noisy if not scoped to privileged accounts, duplicate the
rule and add your own naming convention and accounts of interest here.
*/
winlog.event_data.TargetUserName: ("*Admin*", "*super*", "*SVC*", "*DC0*", "*service*", "*DMZ*", "*ADM*") or
winlog.event_data.TargetSid : ("S-1-5-21-*-500", "S-1-12-1-*-500")
)
] by winlog.event_data.SubjectLogonId