Detection rules › Sigma
Microsoft IIS Service Account Password Dumped
Detects the Internet Information Services (IIS) command-line tool, AppCmd, being used to list passwords
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Credential Access | T1003 OS Credential Dumping |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 1 | Process creation |
Stages and Predicates
Stage 1: all of selection_base_name
or:
Image|endswith: '\appcmd.exe'
OriginalFileName: appcmd.exe
Stage 2: all of selection_base_list
CommandLine|contains: 'list '
Stage 3: selection_standalone
or:
CommandLine|contains: ' -config'
CommandLine|contains: ' -xml'
CommandLine|contains: ' /config'
CommandLine|contains: ' /xml'
Stage 4: all of selection_cmd_flags
or:
CommandLine|contains: ' -@t'
CommandLine|contains: ' -show'
CommandLine|contains: ' -text'
CommandLine|contains: ' /@t'
CommandLine|contains: ' /show'
CommandLine|contains: ' /text'
Stage 5: all of selection_cmd_grep
or:
CommandLine|contains: ':\*'
CommandLine|contains: password
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 |
|---|---|---|
CommandLine | match |
|
Image | ends_with |
|
OriginalFileName | eq |
|