APT_Malware_PutterPanda_PSAPI

rule APT_Malware_PutterPanda_PSAPI {
	meta:
		description = "Detects a malware related to Putter Panda"
		license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
		author = "Florian Roth (Nextron Systems)"
		score = 70
		reference = "VT Analysis"
		date = "2015-06-03"
		hash = "f93a7945a33145bb6c106a51f08d8f44eab1cdf5"
		id = "e074ab8a-2ca4-579e-aaef-cdfb9c64b21b"
	strings:
		$s0 = "LOADER ERROR" fullword ascii /* PEStudio Blacklist: strings */ /* score: '12.03' */
		$s1 = "The procedure entry point %s could not be located in the dynamic link library %s" fullword ascii /* PEStudio Blacklist: strings */ /* score: '8.045' */
		$s2 = "psapi.dll" fullword ascii /* PEStudio Blacklist: strings */ /* score: '5' */ /* Goodware String - occured 54 times */
		$s3 = "urlmon.dll" fullword ascii /* PEStudio Blacklist: strings */ /* score: '5' */ /* Goodware String - occured 471 times */
		$s4 = "WinHttpGetProxyForUrl" fullword ascii /* PEStudio Blacklist: strings */ /* score: '5' */ /* Goodware String - occured 179 times */
	condition:
		uint16(0) == 0x5a4d and filesize < 300KB and all of them
}