Emerging Threathightest
Potential BearLPE Exploitation
Detects potential exploitation of the BearLPE exploit using Task Scheduler ".job" import arbitrary DACL write\par
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Launch
Emerging Threat
Active Threat
Developed to detect an active or emerging threat. Prioritize investigation of any alerts and correlate with threat intelligence.
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 Logic2 selectors
detection:
selection_img:
- Image|endswith: '\schtasks.exe'
- OriginalFileName: 'schtasks.exe'
selection_cli:
CommandLine|contains|all:
- '/change'
- '/TN'
- '/RU'
- '/RP'
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
Sub-techniques
CAR Analytics
2013-08-001 · CAR 2013-08-001
Other
detection.emerging-threats
Rule Metadata
Rule ID
931b6802-d6a6-4267-9ffa-526f57f22aaf
Status
test
Level
high
Type
Emerging Threat
Created
Wed May 22
Modified
Thu Jan 26
Author
Path
rules-emerging-threats/2019/Exploits/BearLPE-Exploit/proc_creation_win_exploit_other_bearlpe.yml
Raw Tags
attack.persistenceattack.executionattack.privilege-escalationattack.t1053.005car.2013-08-001detection.emerging-threats