/*
Avaddon ransomware
*/

rule Avaddon_Ransomnote
{
    meta:
        author = "ransomware.live"
        family = "ransomware.avaddon"
        description = "Detects Avaddon ransom note HTML"
        date = "2026-05-04"
        severity = 7
        score = 70

    strings:
        $s1 = "AVADDON" ascii nocase
        $s2 = "avaddonbotrxmuyl.onion" ascii nocase
        $s3 = "_readme_.html" ascii nocase
        $s4 = "avaddon@" ascii nocase

    condition:
        any of them
}

rule Avaddon_PE
{
    meta:
        author = "ransomware.live"
        family = "ransomware.avaddon"
        description = "Detects Avaddon ransomware executable"
        date = "2026-05-04"
        severity = 9
        score = 90

    strings:
        $s1 = "Avaddon" ascii wide
        $s2 = ".avdn" ascii
        $s3 = "avaddonbotrxmuyl" ascii

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