Detectioncriticaltest

Antivirus Ransomware Detection

Detects a highly relevant Antivirus alert that reports ransomware. This event must not be ignored just because the AV has blocked the malware but investigate, how it came there in the first place.

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Launch
Florian Roth (Nextron Systems), Arnim RuppCreated Thu May 12Updated Sat Nov 024c6ca276-d4d0-4a8c-9e4c-d69832f8671fcategory
Log Source
Antivirus Alert
CategoryAntivirus Alert← raw: antivirus
Detection Logic
Detection Logic1 selector
detection:
    selection:
        Signature|contains:
            - 'BlackWorm'
            - 'Chaos'
            - 'Cobra'
            - 'ContiCrypt'
            - 'Crypter'
            - 'CRYPTES'
            - 'Cryptor'
            - 'CylanCrypt'
            - 'DelShad'
            - 'Destructor'
            - 'Filecoder'
            - 'GandCrab'
            - 'GrandCrab'
            - 'Haperlock'
            - 'Hiddentear'
            - 'HydraCrypt'
            - 'Krypt'
            - 'Lockbit'
            - 'Locker'
            - 'Mallox'
            - 'Phobos'
            - 'Ransom'
            - 'Ryuk'
            - 'Ryzerlo'
            - 'Stopcrypt'
            - 'Tescrypt'
            - 'TeslaCrypt'
            - 'WannaCry'
            - 'Xorist'
    condition: selection
False Positives
Unlikely

False positives are unlikely for most environments. High confidence detection.

Rule Metadata
Rule ID
4c6ca276-d4d0-4a8c-9e4c-d69832f8671f
Status
test
Level
critical
Type
Detection
Created
Thu May 12
Modified
Sat Nov 02
Path
rules/category/antivirus/av_ransomware.yml
Raw Tags
attack.t1486attack.impact
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