Detectionhighstable

Potential Crypto Mining Activity

Detects command line parameters or strings often used by crypto miners

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Launch
Florian Roth (Nextron Systems)Created Tue Oct 26Updated Mon Feb 1366c3b204-9f88-4d0a-a7f7-8a57d521ca55windows
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:
        CommandLine|contains:
            - ' --cpu-priority='
            - '--donate-level=0'
            - ' -o pool.'
            - ' --nicehash'
            - ' --algo=rx/0 '
            - 'stratum+tcp://'
            - 'stratum+udp://'
            # base64 encoded: --donate-level=
            - 'LS1kb25hdGUtbGV2ZWw9'
            - '0tZG9uYXRlLWxldmVsP'
            - 'tLWRvbmF0ZS1sZXZlbD'
            # base64 encoded: stratum+tcp:// and stratum+udp://
            - 'c3RyYXR1bSt0Y3A6Ly'
            - 'N0cmF0dW0rdGNwOi8v'
            - 'zdHJhdHVtK3RjcDovL'
            - 'c3RyYXR1bSt1ZHA6Ly'
            - 'N0cmF0dW0rdWRwOi8v'
            - 'zdHJhdHVtK3VkcDovL'
    filter:
        CommandLine|contains:
            - ' pool.c '
            - ' pool.o '
            - 'gcc -'
    condition: selection and not filter
False Positives

Legitimate use of crypto miners

Some build frameworks

MITRE ATT&CK
Rule Metadata
Rule ID
66c3b204-9f88-4d0a-a7f7-8a57d521ca55
Status
stable
Level
high
Type
Detection
Created
Tue Oct 26
Modified
Mon Feb 13
Path
rules/windows/process_creation/proc_creation_win_susp_crypto_mining_monero.yml
Raw Tags
attack.impactattack.t1496
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