Microsoft IIS Service Account Password Dumped
edit
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Microsoft IIS Service Account Password Dumped
editIdentifies the Internet Information Services (IIS) command-line tool, AppCmd, being used to dump sensitive configuration data such as application pool credentials. An attacker with IIS web server access via a web shell can extract service account passwords by requesting full configuration output or targeting credential-related fields.
Rule type: eql
Rule indices:
- endgame-*
- logs-crowdstrike.fdr*
- logs-endpoint.events.process-*
- logs-m365_defender.event-*
- logs-sentinel_one_cloud_funnel.*
- logs-system.security*
- logs-windows.forwarded*
- logs-windows.sysmon_operational-*
- winlogbeat-*
Severity: low
Risk score: 21
Runs every: 5m
Searches indices from: now-9m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Domain: Endpoint
- OS: Windows
- Use Case: Threat Detection
- Tactic: Credential Access
- Data Source: Elastic Endgame
- Data Source: Elastic Defend
- Data Source: Windows Security Event Logs
- Data Source: Microsoft Defender XDR
- Data Source: Sysmon
- Data Source: SentinelOne
- Data Source: Crowdstrike
Version: 219
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editprocess where host.os.type == "windows" and event.type == "start" and
(process.name : "appcmd.exe" or ?process.pe.original_file_name == "appcmd.exe") and
process.args : "list" and
(
process.args : ("/text:*password*", "/text:*processModel*", "/text:*userName*", "/config", "*connectionstring*") or
process.args == "/text:*"
)
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Credential Access
- ID: TA0006
- Reference URL: https://attack.mitre.org/tactics/TA0006/
-
Technique:
- Name: OS Credential Dumping
- ID: T1003
- Reference URL: https://attack.mitre.org/techniques/T1003/
-
Technique:
- Name: Unsecured Credentials
- ID: T1552
- Reference URL: https://attack.mitre.org/techniques/T1552/
-
Sub-technique:
- Name: Credentials In Files
- ID: T1552.001
- Reference URL: https://attack.mitre.org/techniques/T1552/001/