cert_blocklist_530591c61b5e1212f659138b7cea0a97

rule cert_blocklist_530591c61b5e1212f659138b7cea0a97 {
    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 "\\xE6\\x97\\xA5\\xE7\\x85\\xA7\\xE5\\xB3\\xB0\\xE5\\xB7\\x9D\\xE5\\x9B\\xBD\\xE9\\x99\\x85\\xE7\\x9F\\xBF\\xE4\\xB8\\x9A\\xE8\\xB4\\xB8\\xE6\\x98\\x93\\xE6\\x9C\\x89\\xE9\\x99\\x90\\xE5\\x85\\xAC\\xE5\\x8F\\xB8" and
            pe.signatures[i].serial == "53:05:91:c6:1b:5e:12:12:f6:59:13:8b:7c:ea:0a:97" and
            1403654399 <= pe.signatures[i].not_after
        )
}