Detectionhightest
PrintBrm ZIP Creation of Extraction
Detects the execution of the LOLBIN PrintBrm.exe, which can be used to create or extract ZIP files. PrintBrm.exe should not be run on a normal workstation.
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Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation
Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.
Detection Logic
Detection Logic1 selector
detection:
selection:
Image|endswith: '\PrintBrm.exe'
CommandLine|contains|all:
- ' -f'
- '.zip'
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
MITRE ATT&CK
Techniques
Sub-techniques
Rule Metadata
Rule ID
cafeeba3-01da-4ab4-b6c4-a31b1d9730c7
Status
test
Level
high
Type
Detection
Created
Mon May 02
Author
Path
rules/windows/process_creation/proc_creation_win_lolbin_printbrm.yml
Raw Tags
attack.command-and-controlattack.t1105attack.defense-evasionattack.t1564.004