Create ELF_Linux_Torte.yar

malware/ELF_Linux_Torte.yar

+/*
+    This Yara ruleset is under the GNU-GPLv2 license (http://www.gnu.org/licenses/gpl-2.0.html) and open to any user or organization, as
+    long as you use it under this license.
+*/
+
+
+private rule is_elf
+{
+    meta:
+		author = "@mmorenog,@yararules"
+		
+    strings:
+        $header = { 7F 45 4C 46 }
+
+    condition:
+        $header at 0
+}
+
+rule ELF_Linux_Torte
+
+{
+    meta:
+		author = "@mmorenog,@yararules"
+		description = "Detects ELF Linux/Torte infection"
+		ref = "http://blog.malwaremustdie.org/2016/01/mmd-0050-2016-incident-report-elf.html"
+		hash1 = "1faf27f6b8e8a9cadb611f668a01cf73"
+		hash2 = "cb0477445fef9c5f1a5b6689bbfb941e"
+
+    strings:
+        $s0 = "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.6)"
+        $s1 = "Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.7.6)"
+        $s2 = "?sessd="
+        $s3 = "&sessc="
+        $s4 = "&sessk="
+        $s5 = "3a08fe7b8c4da6ed09f21c3ef97efce2"
+        $s6 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
+        $s7 = "_ZN11CThreadPool10getBatchesERSt6vectorISt4pairISsiESaIS2_EE"
+        $s8 = "_ZNSs4_Rep10_M_destroyERKSaIcE@@GLIBCXX_3.4"
+        $s9 = "_ZNSt6vectorImSaImEE13_M_insert_auxEN9__gnu_cxx17__normal_iteratorIPmS1_EERKm"
+        $s10 = "_ZNSt6vectorISt4pairISsiESaIS1_EE13_M_insert_auxEN9__gnu_cxx17__normal_iteratorIPS1_S3_EERKS1_"
+        $s11 = "_ZSt20__throw_out_of_rangePKc@@GLIBCXX_3.4"
+        
+        condition:
+        is_elf and all of ($s*)
+}
+
+
+rule ELF_Linux_Torte_domains {
+	meta:
+		author = "@mmorenog,@yararules"
+		description = "Detects ELF Linux/Torte infection"
+		ref1 = "http://blog.malwaremustdie.org/2016/01/mmd-0050-2016-incident-report-elf.html"
+	strings:
+		$1 = "pages.touchpadz.com" ascii wide nocase
+		$2 = "bat.touchpadz.com" ascii wide nocase
+		$3 = "stat.touchpadz.com" ascii wide nocase
+		$4 = "sk2.touchpadz.com" ascii wide nocase
+
+	condition:
+		any of them
+}