Detection rules › Sigma
Suspicious Scan Loop Network
Adversaries may attempt to get a listing of other systems by IP address, hostname, or other logical identifier on a network that may be used for Lateral Movement from the current system
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution | T1059 Command and Scripting Interpreter |
| Discovery | T1018 Remote System Discovery |
Event coverage
| Provider | Event | Title |
|---|---|---|
| Sysmon | Event ID 1 | Process creation |
| Security-Auditing | Event ID 4688 | A new process has been created. |
Rule body yaml
title: Suspicious Scan Loop Network
id: f8ad2e2c-40b6-4117-84d7-20b89896ab23
status: test
description: Adversaries may attempt to get a listing of other systems by IP address, hostname, or other logical identifier on a network that may be used for Lateral Movement from the current system
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1018/T1018.md
- https://ss64.com/nt/for.html
- https://ss64.com/ps/foreach-object.html
author: frack113
date: 2022-03-12
tags:
- attack.execution
- attack.t1059
- attack.discovery
- attack.t1018
logsource:
category: process_creation
product: windows
detection:
selection_loop:
CommandLine|contains:
- 'for '
- 'foreach '
selection_tools:
CommandLine|contains:
- 'nslookup'
- 'ping'
condition: all of selection_*
falsepositives:
- Legitimate script
level: medium
Stages and Predicates
Stage 0: condition
all of selection_*Stage 1: selection_loop
selection_loop:
CommandLine|contains:
- 'for '
- 'foreach '
Stage 2: selection_tools
selection_tools:
CommandLine|contains:
- 'nslookup'
- 'ping'
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 |
|