Loader_Win_Generic_17

rule Loader_Win_Generic_17
{
    meta:
        date = "2020-11-25"
        modified = "2020-11-25"
        md5 = "562ecbba043552d59a0f23f61cea0983"
        reference = "https://www.fireeye.com/blog/products-and-services/2020/12/fireeye-shares-details-of-recent-cyber-attack-actions-to-protect-community.html"
        author = "FireEye"
        id = "4e5bf741-c1e3-54af-9580-02925ba6fc6a"
    strings:
        $s0 = { 89 [1-16] FF 15 [4-16] 89 [1-24] E8 [4-16] 89 C6 [4-24] 8D [1-8] 89 [1-4] 89 [1-4] E8 [4-16] 89 [1-8] E8 [4-24] 01 00 00 00 [1-8] 89 [1-8] E8 [4-64] 8A [1-8] 88 }
        $s1 = { 83 EC [1-16] 04 00 00 00 [1-24] 00 30 00 00 [1-24] FF 15 [4-16] EB [16-64] 20 00 00 00 [0-8] FF 15 [4-32] C7 44 24 ?? 00 00 00 00 [0-8] C7 44 24 ?? 00 00 00 00 [0-16] FF 15 }
        $si1 = "fread" fullword
        $si2 = "fwrite" fullword
    condition:
        (uint16(0) == 0x5A4D) and (uint32(uint32(0x3C)) == 0x00004550) and all of them
}