Suspicious Service Binary Directory

Severity: high
Author: Florian Roth (Nextron Systems)
Source: upstream

Detects a service binary running in a suspicious directory

MITRE ATT&CK coverage

Tactic	Techniques
Defense Evasion	`T1202` Indirect Command Execution

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:
Image|contains: 'C:\Perflogs\'
Image|contains: '\$Recycle.bin'
Image|contains: '\Users\All Users\'
Image|contains: '\Users\Contacts\'
Image|contains: '\Users\Default\'
Image|contains: '\Users\Public\'
Image|contains: '\Users\Searches\'
Image|contains: '\Windows\Fonts\'
Image|contains: '\Windows\IME\'
Image|contains: '\Windows\addins\'
Image|contains: '\config\systemprofile\'
or:
ParentImage|endswith: '\services.exe'
ParentImage|endswith: '\svchost.exe'

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.