Agent.ZSZ yara

rule AgentZSZ_bin
{
    meta:
        description = "Agent.ZSZ loader"
        author = "James_inthe_box"
        reference = "https://app.any.run/tasks/4852fe8a-a699-4067-b47a-91b98232ee5a"
        date = "2019/02"
        maltype = "Loader"

    strings:
        $mz = { 4d 5a }
        $string1 = "POST" wide
        $string2 = "http://" wide
        $string3 = "\\\\.\\PhysicalDrive0" wide
        $string4 = "WinHttpQueryAuthSchemes"
        $string5 = ".?AVlogic_error@std@@"
        $string6 = "InitializeSListHead"
        $string7 = "GetComputerNameExW"
        $string8 = ".gfids$x"
        $string9 = "WinHttpGetIEProxyConfigForCurrentUser"
        $string10 = "GetStartupInfoW"

    condition:
        ($mz at 0) and (all of ($string*)) and filesize < 100KB
}

rule AgentZSZ_mem
{
    meta:
        description = "Agent.ZSZ loader"
        author = "James_inthe_box"
        reference = "https://app.any.run/tasks/4852fe8a-a699-4067-b47a-91b98232ee5a"
        date = "2019/02"
        maltype = "Loader"

    strings:
        $string1 = "POST" wide
        $string2 = "http://" wide
        $string3 = "\\\\.\\PhysicalDrive0" wide
        $string4 = "WinHttpQueryAuthSchemes"
        $string5 = ".?AVlogic_error@std@@"
        $string6 = "InitializeSListHead"
        $string7 = "GetComputerNameExW"
        $string8 = ".gfids$x"
        $string9 = "WinHttpGetIEProxyConfigForCurrentUser"
        $string10 = "GetStartupInfoW"

    condition:
        all of ($string*) and filesize > 100KB
}