signature-base/yara/crime_floxif_flystudio.yar

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import "pe"
rule MAL_Floxif_Generic {
meta:
description = "Detects Floxif Malware"
license = "https://creativecommons.org/licenses/by-nc/4.0/"
author = "Florian Roth"
reference = "Internal Research"
date = "2018-05-11"
score = 80
hash1 = "de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085"
condition:
uint16(0) == 0x5a4d and filesize < 200KB and (
pe.imphash() == "2f4ddcfebbcad3bacadc879747151f6f" or
pe.exports("FloodFix") or pe.exports("FloodFix2")
)
}
rule MAL_CN_FlyStudio_May18_1 {
meta:
description = "Detects malware / hacktool detected in May 2018"
license = "https://creativecommons.org/licenses/by-nc/4.0/"
author = "Florian Roth"
reference = "Internal Research"
date = "2018-05-11"
hash1 = "b85147366890598518d4f277d44506eef871fd7fc6050d8f8e68889cae066d9e"
strings:
$s1 = "WTNE / MADE BY E COMPILER - WUTAO " fullword ascii
$s2 = "www.cfyhack.cn" fullword ascii
condition:
uint16(0) == 0x5a4d and filesize < 5000KB and (
pe.imphash() == "65ae5cf17140aeaf91e3e9911da0ee3e" or
1 of them
)
}