Keylogger - HTTPTool snort suricata yara

HTTPTool snort / suricata:

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"HTTPTool User-Agent"; flow:established,to_server; content:"User-Agent|3a| HTTPTool|2f|"; http_header; reference:md5,6526946c39fd53dd813a8a206446e491; classtype:trojan-activity; sid:20166318; rev:1; metadata:created_at 2020_03_14;)

yara
rule unknownkeylogger3_bin
{
    meta:
        description = "unknownkeylogger3"
        author = "James_inthe_box"
        reference = "https://app.any.run/tasks/e29ad71c-c2ce-44b6-bf2a-96bad4ad319a"
        date = "2020/3"
        maltype = "Keylogger"

    strings:
        $string1 = "Mngr.dll" ascii wide
        $string2 = "MyFunction" ascii wide
        $string3 = "e_tr10_" ascii wide
        $string4 = "%s%03u_%01u" ascii wide

    condition:
        uint16(0) == 0x5A4D and 3 of ($string*) and filesize < 800KB
}

rule unknownkeylogger3_mem
{
    meta:
        description = "unknownkeylogger3"
        author = "James_inthe_box"
        reference = "https://app.any.run/tasks/e29ad71c-c2ce-44b6-bf2a-96bad4ad319a"
        date = "2020/3"
        maltype = "Keylogger"

    strings:
        $string1 = "Mngr.dll" ascii wide
        $string2 = "MyFunction" ascii wide
        $string3 = "e_tr10_" ascii wide
        $string4 = "%s%03u_%01u" ascii wide

    condition:
        3 of ($string*) and filesize > 800KB
}

rule unknownkeylogger3_alt_mem
{
    meta:
        description = "unknownkeylogger3"
        author = "James_inthe_box"
        reference = "https://app.any.run/tasks/e29ad71c-c2ce-44b6-bf2a-96bad4ad319a"
        date = "2020/3"
        maltype = "Keylogger"

    strings:
        $string1 = "?password=" ascii wide
        $string2 = "&directory=" ascii wide
        $string3 = "&command=" ascii wide

    condition:
        all of ($string*) and filesize > 800KB
}


rule httptool_mem
{
    meta:
        description = "httptool"
        author = "James_inthe_box"
        reference = "https://app.any.run/tasks/e29ad71c-c2ce-44b6-bf2a-96bad4ad319a"
        date = "2020/3"
        maltype = "tool"

    strings:
        $string1 = "HTTPTool/" ascii wide

    condition:
        all of ($string*)
}