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    All Detections

    Base64 Website Access

    avatar
    GlassDiceBearhttps://www.dicebear.comhttps://creativecommons.org/publicdomain/zero/1.0/„Glass” (https://www.dicebear.com) by „DiceBear”, licensed under „CC0 1.0” (https://creativecommons.org/publicdomain/zero/1.0/)
    Drew Pilarski@barnabysDrew
    •updated Sep 8, 2025•6•0•60

    Detects a user accessing multiple websites commonly used for Base64 encoding and decoding within a short time frame. This activity could be a precursor to data exfiltration or an attempt to obfuscate malicious commands.

    YARA-L

    Tags

    TA0005 - Defense EvasionT1132.001 - Standard EncodingT1041 - Exfiltration Over C2 ChannelT1567 - Exfiltration Over Web ServiceT1048 - Exfiltration Over Alternative ProtocolTA0011 - Command and ControlTA0010 - ExfiltrationNetwork ConnectionDNS QueryHTTP RequestData ExfiltrationCommand ExecutionNetwork GenericGeneric Network LogNETWORKEXFILTRATIONDEFENSE_EVASION

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