Update MALW_Elex.yar

malware/MALW_Elex.yar

@@ -12,10 +12,12 @@ rule Trj_Elex_Installer_NSIS
         author = "Centro Criptológico Nacional (CCN)"
         description = "Elex Installer NSIS"
         ref = "https://www.ccn-cert.cni.es/informes/informes-ccn-cert-publicos.html"
+        
     strings:
         $mz = { 4d 5a }
         $str1 = {4e 75 6c 6c 73 6f 66 74 }
         $str2 = {b7 a2 d5 dc 0c d6 a6 3a}
+        
     condition:
         ($mz at 0) and ($str1 at 0xA008) and ($str2 at 0x1c8700)
 }
@@ -27,11 +29,13 @@ rule Trj_Elex_Installer
         author = "Centro Criptológico Nacional (CCN)"
         description = "Elex Installer"
         ref = "https://www.ccn-cert.cni.es/informes/informes-ccn-cert-publicos.html"
+        
     strings:
         $mz = { 4d 5a }
         $str1 = {65 00 76 00 65 00 72 00 79 00 74 00 68 00 69 00 6e 00 67 00}
         $str2 = "IsWow64Process"
         $str3 = "SSFK"
+        
     condition:
         ($mz at 0) and ($str1) and ($str2) and ($str3)
 }
@@ -43,11 +47,13 @@ rule Trj_Elex_Service32
         author = "Centro Criptológico Nacional (CCN)"
         description = "Elex Service 32 bits"
         ref = "https://www.ccn-cert.cni.es/informes/informes-ccn-cert-publicos.html"
+        
     strings:
         $mz = { 4d 5a }
         $str1 = "http://xa.xingcloud.com/v4/sof-everything/"
         $str2 = "http://www.mysearch123.com"
         $str3 = "21e223b3f0c97db3c281da1g7zccaefozzjcktmlma"
+        
     condition:
         (pe.machine == pe.MACHINE_I386) and ($mz at 0) and ($str1) and ($str2) and ($str3)
 }
@@ -59,11 +65,13 @@ rule Trj_Elex_Service64
         author = "Centro Criptológico Nacional (CCN)"
         description = "Elex Service 64 bits"
         ref = "https://www.ccn-cert.cni.es/informes/informes-ccn-cert-publicos.html"
+        
     strings:
         $mz = { 4d 5a }
         $str1 = "http://xa.xingcloud.com/v4/sof-everything/"
         $str2 = "http://www.mysearch123.com"
         $str3 = "21e223b3f0c97db3c281da1g7zccaefozzjcktmlma"
+        
     condition:
         (pe.machine == pe.MACHINE_AMD64) and ($mz at 0) and ($str1) and ($str2) and ($str3)
 }
@@ -75,10 +83,12 @@ rule Trj_Elex_Dll32
         author = "Centro Criptológico Nacional (CCN)"
         description = "Elex DLL 32 bits"
         ref = "https://www.ccn-cert.cni.es/informes/informes-ccn-cert-publicos.html"
+        
     strings:
         $mz = { 4d 5a }
         $str1 = {59 00 72 00 72 00 65 00 68 00 73 00}
         $str2 = "RookIE/1.0"
+        
     condition:
         (pe.machine == pe.MACHINE_I386) and (pe.characteristics & pe.DLL) and ($mz at 0) and ($str1) and ($str2)
 }
@@ -90,10 +100,12 @@ rule Trj_Elex_Dll64
         author = "Centro Criptológico Nacional (CCN)"
         description = "Elex DLL 64 bits"
         ref = "https://www.ccn-cert.cni.es/informes/informes-ccn-cert-publicos.html"
+        
     strings:
         $mz = { 4d 5a }
         $str1 = {59 00 72 00 72 00 65 00 68 00 73 00}
         $str2 = "RookIE/1.0"
+        
     condition:
         (pe.machine == pe.MACHINE_AMD64) and (pe.characteristics & pe.DLL) and ($mz at 0) and ($str1) and ($str2)
 }