cert_blocklist_044e05bb1a01a1cbb50cfb6cd24e5d6b

rule cert_blocklist_044e05bb1a01a1cbb50cfb6cd24e5d6b {
    meta:
        author      = "ReversingLabs"
        source      = "ReversingLabs"
        status      = "RELEASED"
        sharing     = "TLP:WHITE"
        category    = "INFO"
        description = "Certificate used for digitally signing malware."

    condition:
        uint16(0) == 0x5A4D and
        for any i in (0..pe.number_of_signatures): (
            pe.signatures[i].subject contains "MUSTER PLUS SP Z O O" and
            pe.signatures[i].serial == "04:4e:05:bb:1a:01:a1:cb:b5:0c:fb:6c:d2:4e:5d:6b" and
            1601427600 <= pe.signatures[i].not_after
        )
}