Emerging Threathightest
CVE-2021-44077 POC Default Dropped File
Detects the creation of "msiexec.exe" in the "bin" directory of the ManageEngine SupportCenter Plus (Related to CVE-2021-44077) and public POC available (See references section)
Convert In Phoenix Studio
Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.
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
WindowsFile Event
ProductWindows← raw: windows
CategoryFile Event← raw: file_event
Events for file system activity including creation, modification, and deletion.
Detection Logic
Detection Logic1 selector
detection:
selection:
TargetFilename|endswith: '\ManageEngine\SupportCenterPlus\bin\msiexec.exe'
condition: selectionFalse Positives
Unlikely
False positives are unlikely for most environments. High confidence detection.
MITRE ATT&CK
Tactics
Other
cve.2021-44077detection.emerging-threats
Rule Metadata
Rule ID
7b501acf-fa98-4272-aa39-194f82edc8a3
Status
test
Level
high
Type
Emerging Threat
Created
Mon Jun 06
Path
rules-emerging-threats/2021/Exploits/CVE-2021-44077/file_event_win_cve_2021_44077_poc_default_files.yml
Raw Tags
attack.executioncve.2021-44077detection.emerging-threats