/*
	Yara Rule Set
	Author: Florian Roth
	Date: 2016-07-19
	Identifier: Mimikittenz
*/

/* Rule Set ----------------------------------------------------------------- */

rule Invoke_mimikittenz {
	meta:
		description = "Detects Mimikittenz - file Invoke-mimikittenz.ps1"
		license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
		author = "Florian Roth (Nextron Systems)"
		reference = "https://github.com/putterpanda/mimikittenz"
		date = "2016-07-19"
		score = 90
		hash1 = "14e2f70470396a18c27debb419a4f4063c2ad5b6976f429d47f55e31066a5e6a"
		id = "6dcf3d0a-302b-520c-97c6-fd843c8a25b9"
	strings:
		$x1 = "[mimikittenz.MemProcInspector]" ascii

		$s1 = "PROCESS_ALL_ACCESS = PROCESS_TERMINATE | PROCESS_CREATE_THREAD | PROCESS_SET_SESSIONID | PROCESS_VM_OPERATION |" fullword ascii
		$s2 = "IntPtr processHandle = MInterop.OpenProcess(MInterop.PROCESS_WM_READ | MInterop.PROCESS_QUERY_INFORMATION, false, process.Id);" fullword ascii
		$s3 = "&email=.{1,48}&create=.{1,2}&password=.{1,22}&metadata1=" ascii
		$s4 = "[DllImport(\"kernel32.dll\", SetLastError = true)]" fullword ascii
	condition:
		( uint16(0) == 0x7566 and filesize < 60KB and 2 of them ) or $x1
}