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Detectionhightest

SharpHound Recon Sessions

Detects remote RPC calls useb by SharpHound to map remote connections and local group membership.

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Launch
Sagie Dulce, Dekel PazCreated Sat Jan 016d580420-ff3f-4e0e-b6b0-41b90c787e28application
Log Source
rpc_firewallapplication
Productrpc_firewall← raw: rpc_firewall
Categoryapplication← raw: application

Definition

Requirements: install and apply the RPC Firewall to all processes with "audit:true action:block uuid:4b324fc8-1670-01d3-1278-5a47bf6ee188 opnum:12

Detection Logic
Detection Logic1 selector
detection:
    selection:
        EventLog: RPCFW
        EventID: 3
        InterfaceUuid: 4b324fc8-1670-01d3-1278-5a47bf6ee188
        OpNum: 12
    condition: selection
False Positives
Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

References
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learn.microsoft.com
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github.com
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github.com
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zeronetworks.com
MITRE ATT&CK
Rule Metadata
Rule ID
6d580420-ff3f-4e0e-b6b0-41b90c787e28
Status
test
Level
high
Type
Detection
Created
Sat Jan 01
Author
Sagie Dulce, Dekel Paz
Path
rules/application/rpc_firewall/rpc_firewall_sharphound_recon_sessions.yml
Raw Tags
attack.discoveryattack.t1033
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