Detection rules › Kusto Query Language

NRT Security Event log cleared

Source: upstream

'Checks for event id 1102 which indicates the security event log was cleared. It uses Event Source Name "Microsoft-Windows-Eventlog" to avoid generating false positives from other sources, like AD FS servers for instance.'

MITRE ATT&CK coverage

Tactic	Techniques
Defense Evasion	`T1070` Indicator Removal

Event coverage

Provider	Event ID	Title
Eventlog	1102	The audit log was cleared.

Stages and Predicates

Stage 1: `source`

SecurityEvent

Stage 2: `where`

and
  EventID eq "1102"
  EventSourceName eq "Microsoft-Windows-Eventlog"

Stage 3: `summarize`

Stage 4: `extend`

Stage 5: `extend`

Stage 6: `extend`

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

Field	Kind	Values
`EventID`	eq	`1102`
`EventSourceName`	eq	`Microsoft-Windows-Eventlog`

NRT Security Event log cleared

MITRE ATT&CK coverage

Event coverage

Stages and Predicates

Stage 1: source

Stage 2: where

Stage 3: summarize

Stage 4: extend

Stage 5: extend