PUA - AdFind Suspicious Execution

Severity: high
Author: Janantha Marasinghe (https://github.com/blueteam0ps), FPT.EagleEye Team, omkar72, oscd.community
Source: upstream

Detects AdFind execution with common flags seen used during attacks

MITRE ATT&CK coverage

Tactic	Techniques
Discovery	`T1018` Remote System Discovery, `T1069.002` Permission Groups Discovery: Domain Groups, `T1087.002` Account Discovery: Domain Account, `T1482` Domain Trust Discovery

Event coverage

Provider	Event ID	Title
Sysmon	1	Process creation
Security-Auditing	4688	A new process has been created.

Stages and Predicates

Stage 1: `selection`

or:
CommandLine|contains: ' oudmp '
CommandLine|contains: '-sc dclist'
CommandLine|contains: '-sc u:'
CommandLine|contains: '-subnets -f'
CommandLine|contains: adinfo
CommandLine|contains: computer_pwdnotreqd
CommandLine|contains: computers_active
CommandLine|contains: computers_pwdnotreqd
CommandLine|contains: dcmodes
CommandLine|contains: domainlist
CommandLine|contains: domainncs
CommandLine|contains: dompol
CommandLine|contains: fspdmp
CommandLine|contains: gpodmp
CommandLine|contains: 'name="Domain Admins"'
CommandLine|contains: 'objectcategory='
CommandLine|contains: subnetdmp
CommandLine|contains: trustdmp
CommandLine|contains: users_noexpire

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.