Detectionmediumtest
Compress Data and Lock With Password for Exfiltration With WINZIP
An adversary may compress or encrypt data that is collected prior to exfiltration using 3rd party utilities
Convert In Phoenix Studio
Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.
Launch
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 Logic3 selectors
detection:
selection_winzip:
CommandLine|contains:
- 'winzip.exe'
- 'winzip64.exe'
selection_password:
CommandLine|contains: '-s"'
selection_other:
CommandLine|contains:
- ' -min '
- ' -a '
condition: all of selection*False Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Tactics
Sub-techniques
Rule Metadata
Rule ID
e2e80da2-8c66-4e00-ae3c-2eebd29f6b6d
Status
test
Level
medium
Type
Detection
Created
Tue Jul 27
Modified
Sun Dec 25
Author
Path
rules/windows/process_creation/proc_creation_win_winzip_password_compression.yml
Raw Tags
attack.collectionattack.t1560.001