Windows_Trojan_CobaltStrike_a3fb2616

rule Windows_Trojan_CobaltStrike_a3fb2616 {
    meta:
        author = "Elastic Security"
        id = "a3fb2616-b03d-4399-9342-0fc684fb472e"
        fingerprint = "c15cf6aa7719dac6ed21c10117f28eb4ec56335f80a811b11ab2901ad36f8cf0"
        creation_date = "2021-10-21"
        last_modified = "2022-01-13"
        description = "Rule for browser pivot "
        threat_name = "Windows.Trojan.CobaltStrike"
        reference_sample = "36d32b1ed967f07a4bd19f5e671294d5359009c04835601f2cc40fb8b54f6a2a"
        severity = 100
        arch_context = "x86, arm64"
        scan_context = "file, memory"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $a1 = "browserpivot.dll" ascii fullword
        $a2 = "browserpivot.x64.dll" ascii fullword
        $b1 = "$$$THREAD.C$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$" ascii fullword
        $b2 = "COBALTSTRIKE" ascii fullword
    condition:
        1 of ($a*) and 2 of ($b*)
}