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SharpHound Recon Account Discovery

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 0165f77b1e-8e79-45bf-bb67-5988a8ce45a5application
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:6bffd098-a112-3610-9833-46c3f87e345a opnum:2

Detection Logic
Detection Logic1 selector
detection:
    selection:
        EventLog: RPCFW
        EventID: 3
        InterfaceUuid: 6bffd098-a112-3610-9833-46c3f87e345a
        OpNum: 2
    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
65f77b1e-8e79-45bf-bb67-5988a8ce45a5
Status
test
Level
high
Type
Detection
Created
Sat Jan 01
Author
Sagie Dulce, Dekel Paz
Path
rules/application/rpc_firewall/rpc_firewall_sharphound_recon_account.yml
Raw Tags
attack.t1087attack.discovery
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