/*
Yanluowang ransomware
*/

rule Yanluowang_Ransomnote
{
    meta:
        author = "ransomware.live"
        family = "ransomware.yanluowang"
        description = "Detects Yanluowang ransomware ransom note"
        date = "2026-05-04"
        severity = 7
        score = 70

    strings:
        $s1 = "yanluowang" ascii nocase
        $s2 = ".yanluowang" ascii
        $s3 = "yanluowang_decryptor" ascii nocase

    condition:
        any of them
}

rule Yanluowang_PE
{
    meta:
        author = "ransomware.live"
        family = "ransomware.yanluowang"
        description = "Detects Yanluowang ransomware executable"
        date = "2026-05-04"
        severity = 9
        score = 90

    strings:
        $s1 = "yanluowang" ascii wide nocase
        $s2 = ".yanluowang" ascii
        $s3 = "!IMPORTANT.txt" ascii

    condition:
        uint16(0) == 0x5A4D and 2 of them
}