Detectionhightest
Silenttrinity Stager Msbuild Activity
Detects a possible remote connections to Silenttrinity c2
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Kiran kumar s, oscd.communityCreated Sun Oct 11Updated Wed Oct 0550e54b8d-ad73-43f8-96a1-5191685b17a4windows
Log Source
WindowsNetwork Connection
ProductWindows← raw: windows
CategoryNetwork Connection← raw: network_connection
Events for outbound and inbound network connections including DNS resolution.
Detection Logic
Detection Logic2 selectors
detection:
selection:
Image|endswith: '\msbuild.exe'
filter:
DestinationPort:
- 80
- 443
Initiated: 'true'
condition: selection and filterFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Sub-techniques
Rule Metadata
Rule ID
50e54b8d-ad73-43f8-96a1-5191685b17a4
Status
test
Level
high
Type
Detection
Created
Sun Oct 11
Modified
Wed Oct 05
Author
Path
rules/windows/network_connection/net_connection_win_silenttrinity_stager_msbuild_activity.yml
Raw Tags
attack.executionattack.defense-evasionattack.t1127.001