Update APT_Turla_RUAG.yar

malware/APT_Turla_RUAG.yar

@@ -3,138 +3,146 @@
 
 */
 
-rule Turla_APT_srsvc {
-	meta:
-		description = "Detects Turla malware (based on sample used in the RUAG APT case)"
-		author = "Florian Roth"
-		family = "Turla"
-		reference = "https://www.govcert.admin.ch/blog/22/technical-report-about-the-ruag-espionage-case"
-		date = "2016-06-09"
-		hash1 = "65996f266166dbb479a42a15a236e6564f0b322d5d68ee546244d7740a21b8f7"
-		hash2 = "25c7ff1eb16984a741948f2ec675ab122869b6edea3691b01d69842a53aa3bac"
-	strings:
-		$x1 = "SVCHostServiceDll.dll" fullword ascii
+rule Turla_APT_srsvc 
+{
 
-		$s2 = "msimghlp.dll" fullword wide
-		$s3 = "srservice" fullword wide
-		$s4 = "ModStart" fullword ascii
-		$s5 = "ModStop" fullword ascii
-	condition:
-		( uint16(0) == 0x5a4d and filesize < 20KB and ( 1 of ($x*) or all of ($s*) ) )
-		or ( all of them )
+    meta:
+        description = "Detects Turla malware (based on sample used in the RUAG APT case)"
+        author = "Florian Roth"
+        family = "Turla"
+        reference = "https://www.govcert.admin.ch/blog/22/technical-report-about-the-ruag-espionage-case"
+        date = "2016-06-09"
+        hash1 = "65996f266166dbb479a42a15a236e6564f0b322d5d68ee546244d7740a21b8f7"
+        hash2 = "25c7ff1eb16984a741948f2ec675ab122869b6edea3691b01d69842a53aa3bac"
+  
+    strings:
+        $x1 = "SVCHostServiceDll.dll" fullword ascii
+        $s2 = "msimghlp.dll" fullword wide
+        $s3 = "srservice" fullword wide
+        $s4 = "ModStart" fullword ascii
+        $s5 = "ModStop" fullword ascii
+    
+    condition:
+        ( uint16(0) == 0x5a4d and filesize < 20KB and ( 1 of ($x*) or all of ($s*) ) ) or ( all of them )
 }
 
-rule Turla_APT_Malware_Gen1 {
-	meta:
-		description = "Detects Turla malware (based on sample used in the RUAG APT case)"
-		author = "Florian Roth"
-		family = "Turla"
-		reference = "https://www.govcert.admin.ch/blog/22/technical-report-about-the-ruag-espionage-case"
-		date = "2016-06-09"
-		hash1 = "0e1bf347c37fb199886f1e675e372ba55ac4627e8be2f05a76c2c64f9b6ed0e4"
-		hash2 = "7206075cd8f1004e8f1f759d46e98bfad4098b8642412811a214c0155a1f08b9"
-		hash3 = "fe3ffd7438c0d38484bf02a78a19ea81a6f51b4b3f2b2228bd21974c2538bbcd"
-		hash4 = "c49111af049dd9746c6b1980db6e150b2a79ca1569b23ed2cba81c85c00d82b4"
-		hash5 = "b62a643c96e2e41f639d2a8ce11d61e6b9d7fb3a9baf011120b7fec1b4ee3cf4"
-		hash6 = "edb12790b5cd959bc2e53a4b369a4fd747153e6c9d50f6a69ff047f7857a4348"
-		hash7 = "8f2ea0f916fda1dfb771f5441e919c561da5b6334b9f2fffcbf53db14063b24a"
-		hash8 = "8dddc744bbfcf215346c812aa569e49523996f73a1f22fe4e688084ce1225b98"
-		hash9 = "0c69258adcc97632b729e55664c22cd942812336d41e8ea0cff9ddcafaded20f"
-		hash10 = "2b4fba1ef06f85d1395945db40a9f2c3b3ed81b56fb9c2d5e5bb693c230215e2"
-	strings:
-		$x1 = "too long data for this type of transport" fullword ascii
-		$x2 = "not enough server resources to complete operation" fullword ascii
-		$x3 = "Task not execute. Arg file failed." fullword ascii
-		$x4 = "Global\\MSCTF.Shared.MUTEX.ZRX" fullword ascii
+rule Turla_APT_Malware_Gen1 
+{
 
-		$s1 = "peer has closed the connection" fullword ascii
-		$s2 = "tcpdump.exe" fullword ascii
-		$s3 = "windump.exe" fullword ascii
-		$s4 = "dsniff.exe" fullword ascii
-		$s5 = "wireshark.exe" fullword ascii
-		$s6 = "ethereal.exe" fullword ascii
-		$s7 = "snoop.exe" fullword ascii
-		$s8 = "ettercap.exe" fullword ascii
-		$s9 = "miniport.dat" fullword ascii
-		$s10 = "net_password=%s" fullword ascii
-	condition:
-		( uint16(0) == 0x5a4d and filesize < 2000KB and ( 2 of ($x*) or 8 of ($s*) ) )
-		or ( 12 of them )
+    meta:
+        description = "Detects Turla malware (based on sample used in the RUAG APT case)"
+        author = "Florian Roth"
+        family = "Turla"
+        reference = "https://www.govcert.admin.ch/blog/22/technical-report-about-the-ruag-espionage-case"
+        date = "2016-06-09"
+        hash1 = "0e1bf347c37fb199886f1e675e372ba55ac4627e8be2f05a76c2c64f9b6ed0e4"
+        hash2 = "7206075cd8f1004e8f1f759d46e98bfad4098b8642412811a214c0155a1f08b9"
+        hash3 = "fe3ffd7438c0d38484bf02a78a19ea81a6f51b4b3f2b2228bd21974c2538bbcd"
+        hash4 = "c49111af049dd9746c6b1980db6e150b2a79ca1569b23ed2cba81c85c00d82b4"
+        hash5 = "b62a643c96e2e41f639d2a8ce11d61e6b9d7fb3a9baf011120b7fec1b4ee3cf4"
+        hash6 = "edb12790b5cd959bc2e53a4b369a4fd747153e6c9d50f6a69ff047f7857a4348"
+        hash7 = "8f2ea0f916fda1dfb771f5441e919c561da5b6334b9f2fffcbf53db14063b24a"
+        hash8 = "8dddc744bbfcf215346c812aa569e49523996f73a1f22fe4e688084ce1225b98"
+        hash9 = "0c69258adcc97632b729e55664c22cd942812336d41e8ea0cff9ddcafaded20f"
+        hash10 = "2b4fba1ef06f85d1395945db40a9f2c3b3ed81b56fb9c2d5e5bb693c230215e2"
+    
+    strings:
+        $x1 = "too long data for this type of transport" fullword ascii
+        $x2 = "not enough server resources to complete operation" fullword ascii
+        $x3 = "Task not execute. Arg file failed." fullword ascii
+        $x4 = "Global\\MSCTF.Shared.MUTEX.ZRX" fullword ascii
+        $s1 = "peer has closed the connection" fullword ascii
+        $s2 = "tcpdump.exe" fullword ascii
+        $s3 = "windump.exe" fullword ascii
+        $s4 = "dsniff.exe" fullword ascii
+        $s5 = "wireshark.exe" fullword ascii
+        $s6 = "ethereal.exe" fullword ascii
+        $s7 = "snoop.exe" fullword ascii
+        $s8 = "ettercap.exe" fullword ascii
+        $s9 = "miniport.dat" fullword ascii
+        $s10 = "net_password=%s" fullword ascii
+    
+    condition:
+        ( uint16(0) == 0x5a4d and filesize < 2000KB and ( 2 of ($x*) or 8 of ($s*) ) ) or ( 12 of them )
 }
 
-rule Turla_APT_Malware_Gen2 {
-	meta:
-		description = "Detects Turla malware (based on sample used in the RUAG APT case)"
-		author = "Florian Roth"
-		family = "Turla"
-		reference = "https://www.govcert.admin.ch/blog/22/technical-report-about-the-ruag-espionage-case"
-		date = "2016-06-09"
-		hash1 = "0e1bf347c37fb199886f1e675e372ba55ac4627e8be2f05a76c2c64f9b6ed0e4"
-		hash2 = "7206075cd8f1004e8f1f759d46e98bfad4098b8642412811a214c0155a1f08b9"
-		hash3 = "fe3ffd7438c0d38484bf02a78a19ea81a6f51b4b3f2b2228bd21974c2538bbcd"
-		hash4 = "c49111af049dd9746c6b1980db6e150b2a79ca1569b23ed2cba81c85c00d82b4"
-	strings:
-		$x1 = "Internal command not support =((" fullword ascii
-		$x2 = "L|-1|AS_CUR_USER:OpenProcessToken():%d, %s|" fullword ascii
-		$x3 = "L|-1|CreateProcessAsUser():%d, %s|" fullword ascii
-		$x4 = "AS_CUR_USER:OpenProcessToken():%d" fullword ascii
-		$x5 = "L|-1|AS_CUR_USER:LogonUser():%d, %s|" fullword ascii
-		$x6 = "L|-1|try to run dll %s with user priv|" fullword ascii
-		$x7 = "\\\\.\\Global\\PIPE\\sdlrpc" fullword ascii
-		$x8 = "\\\\%s\\pipe\\comnode" fullword ascii
-		$x9 = "Plugin dll stop failed." fullword ascii
-		$x10 = "AS_USER:LogonUser():%d" fullword ascii
+rule Turla_APT_Malware_Gen2 
+{
 
-		$s1 = "MSIMGHLP.DLL" fullword wide
-		$s2 = "msimghlp.dll" fullword ascii
-		$s3 = "ximarsh.dll" fullword ascii
-		$s4 = "msximl.dll" fullword ascii
-		$s5 = "INTERNAL.dll" fullword ascii
-		$s6 = "\\\\.\\Global\\PIPE\\" fullword ascii
-		$s7 = "ieuser.exe" fullword ascii
-	condition:
-		( uint16(0) == 0x5a4d and filesize < 2000KB and ( 1 of ($x*) or 5 of ($s*) ) )
-		or ( 10 of them )
+    meta:
+        description = "Detects Turla malware (based on sample used in the RUAG APT case)"
+        author = "Florian Roth"
+        family = "Turla"
+        reference = "https://www.govcert.admin.ch/blog/22/technical-report-about-the-ruag-espionage-case"
+        date = "2016-06-09"
+        hash1 = "0e1bf347c37fb199886f1e675e372ba55ac4627e8be2f05a76c2c64f9b6ed0e4"
+        hash2 = "7206075cd8f1004e8f1f759d46e98bfad4098b8642412811a214c0155a1f08b9"
+        hash3 = "fe3ffd7438c0d38484bf02a78a19ea81a6f51b4b3f2b2228bd21974c2538bbcd"
+        hash4 = "c49111af049dd9746c6b1980db6e150b2a79ca1569b23ed2cba81c85c00d82b4"
+  
+    strings:
+        $x1 = "Internal command not support =((" fullword ascii
+        $x2 = "L|-1|AS_CUR_USER:OpenProcessToken():%d, %s|" fullword ascii
+        $x3 = "L|-1|CreateProcessAsUser():%d, %s|" fullword ascii
+        $x4 = "AS_CUR_USER:OpenProcessToken():%d" fullword ascii
+        $x5 = "L|-1|AS_CUR_USER:LogonUser():%d, %s|" fullword ascii
+        $x6 = "L|-1|try to run dll %s with user priv|" fullword ascii
+        $x7 = "\\\\.\\Global\\PIPE\\sdlrpc" fullword ascii
+        $x8 = "\\\\%s\\pipe\\comnode" fullword ascii
+        $x9 = "Plugin dll stop failed." fullword ascii
+        $x10 = "AS_USER:LogonUser():%d" fullword ascii
+        $s1 = "MSIMGHLP.DLL" fullword wide
+        $s2 = "msimghlp.dll" fullword ascii
+        $s3 = "ximarsh.dll" fullword ascii
+        $s4 = "msximl.dll" fullword ascii
+        $s5 = "INTERNAL.dll" fullword ascii
+        $s6 = "\\\\.\\Global\\PIPE\\" fullword ascii
+        $s7 = "ieuser.exe" fullword ascii
+    
+    condition:
+        ( uint16(0) == 0x5a4d and filesize < 2000KB and ( 1 of ($x*) or 5 of ($s*) ) ) or ( 10 of them )
 }
 
-rule Turla_APT_Malware_Gen3 {
-	meta:
-		description = "Detects Turla malware (based on sample used in the RUAG APT case)"
-		author = "Florian Roth"
-		family = "Turla"
-		reference = "https://www.govcert.admin.ch/blog/22/technical-report-about-the-ruag-espionage-case"
-		date = "2016-06-09"
-		hash1 = "c49111af049dd9746c6b1980db6e150b2a79ca1569b23ed2cba81c85c00d82b4"
-		hash2 = "b62a643c96e2e41f639d2a8ce11d61e6b9d7fb3a9baf011120b7fec1b4ee3cf4"
-		hash3 = "edb12790b5cd959bc2e53a4b369a4fd747153e6c9d50f6a69ff047f7857a4348"
-		hash4 = "8f2ea0f916fda1dfb771f5441e919c561da5b6334b9f2fffcbf53db14063b24a"
-		hash5 = "8dddc744bbfcf215346c812aa569e49523996f73a1f22fe4e688084ce1225b98"
-		hash6 = "0c69258adcc97632b729e55664c22cd942812336d41e8ea0cff9ddcafaded20f"
-		hash7 = "2b4fba1ef06f85d1395945db40a9f2c3b3ed81b56fb9c2d5e5bb693c230215e2"
-		hash8 = "7206075cd8f1004e8f1f759d46e98bfad4098b8642412811a214c0155a1f08b9"
-		hash9 = "edb12790b5cd959bc2e53a4b369a4fd747153e6c9d50f6a69ff047f7857a4348"
-	strings:
-		$x1 = "\\\\.\\pipe\\sdlrpc" fullword ascii
-		$x2 = "WaitMutex Abandoned %p" fullword ascii
-		$x3 = "OPER|Wrong config: no port|" fullword ascii
-		$x4 = "OPER|Wrong config: no lastconnect|" fullword ascii
-		$x5 = "OPER|Wrong config: empty address|" fullword ascii
-		$x6 = "Trans task %d obj %s ACTIVE fail robj %s" fullword ascii
-		$x7 = "OPER|Wrong config: no auth|" fullword ascii
-		$x8 = "OPER|Sniffer '%s' running... ooopppsss...|" fullword ascii
+rule Turla_APT_Malware_Gen3 
+{
 
-		$s1 = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\5.0\\User Agent\\Post Platform" fullword ascii
-		$s2 = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\5.0\\User Agent\\Pre Platform" fullword ascii
-		$s3 = "www.yahoo.com" fullword ascii
-		$s4 = "MSXIML.DLL" fullword wide
-		$s5 = "www.bing.com" fullword ascii
-		$s6 = "%s: http://%s%s" fullword ascii
-		$s7 = "/javascript/view.php" fullword ascii
-		$s8 = "Task %d failed %s,%d" fullword ascii
-		$s9 = "Mozilla/4.0 (compatible; MSIE %d.0; " fullword ascii
-	condition:
-		( uint16(0) == 0x5a4d and filesize < 2000KB and ( 1 of ($x*) or 6 of ($s*) ) )
-		or ( 10 of them )
+    meta:
+        description = "Detects Turla malware (based on sample used in the RUAG APT case)"
+        author = "Florian Roth"
+        family = "Turla"
+        reference = "https://www.govcert.admin.ch/blog/22/technical-report-about-the-ruag-espionage-case"
+        date = "2016-06-09"
+        hash1 = "c49111af049dd9746c6b1980db6e150b2a79ca1569b23ed2cba81c85c00d82b4"
+        hash2 = "b62a643c96e2e41f639d2a8ce11d61e6b9d7fb3a9baf011120b7fec1b4ee3cf4"
+        hash3 = "edb12790b5cd959bc2e53a4b369a4fd747153e6c9d50f6a69ff047f7857a4348"
+        hash4 = "8f2ea0f916fda1dfb771f5441e919c561da5b6334b9f2fffcbf53db14063b24a"
+        hash5 = "8dddc744bbfcf215346c812aa569e49523996f73a1f22fe4e688084ce1225b98"
+        hash6 = "0c69258adcc97632b729e55664c22cd942812336d41e8ea0cff9ddcafaded20f"
+        hash7 = "2b4fba1ef06f85d1395945db40a9f2c3b3ed81b56fb9c2d5e5bb693c230215e2"
+        hash8 = "7206075cd8f1004e8f1f759d46e98bfad4098b8642412811a214c0155a1f08b9"
+        hash9 = "edb12790b5cd959bc2e53a4b369a4fd747153e6c9d50f6a69ff047f7857a4348"
+  
+    strings:
+        $x1 = "\\\\.\\pipe\\sdlrpc" fullword ascii
+        $x2 = "WaitMutex Abandoned %p" fullword ascii
+        $x3 = "OPER|Wrong config: no port|" fullword ascii
+        $x4 = "OPER|Wrong config: no lastconnect|" fullword ascii
+        $x5 = "OPER|Wrong config: empty address|" fullword ascii
+        $x6 = "Trans task %d obj %s ACTIVE fail robj %s" fullword ascii
+        $x7 = "OPER|Wrong config: no auth|" fullword ascii
+        $x8 = "OPER|Sniffer '%s' running... ooopppsss...|" fullword ascii
+        $s1 = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\5.0\\User Agent\\Post Platform" fullword ascii
+        $s2 = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\5.0\\User Agent\\Pre Platform" fullword ascii
+        $s3 = "www.yahoo.com" fullword ascii
+        $s4 = "MSXIML.DLL" fullword wide
+        $s5 = "www.bing.com" fullword ascii
+        $s6 = "%s: http://%s%s" fullword ascii
+        $s7 = "/javascript/view.php" fullword ascii
+        $s8 = "Task %d failed %s,%d" fullword ascii
+        $s9 = "Mozilla/4.0 (compatible; MSIE %d.0; " fullword ascii
+   
+    condition:
+        ( uint16(0) == 0x5a4d and filesize < 2000KB and ( 1 of ($x*) or 6 of ($s*) ) ) or ( 10 of them )
 }
 /*
   Yara Rule Set
@@ -144,52 +152,65 @@ rule Turla_APT_Malware_Gen3 {
   Reference: https://www.govcert.admin.ch/blog/22/technical-report-about-the-ruag-espionage-case 
 */
 
-rule RUAG_Tavdig_Malformed_Executable {
+rule RUAG_Tavdig_Malformed_Executable 
+{
+
   meta:
     description = "Detects an embedded executable with a malformed header - known from Tavdig malware"
     author = "Florian Roth"
     reference = "https://goo.gl/N5MEj0"
     score = 60
+  
   condition:
-    uint16(0) == 0x5a4d and /* MZ Header */
-    uint32(uint32(0x3C)) == 0x0000AD0B /* malformed PE header > 0x0bad */
+  /* MZ Header and malformed PE header > 0x0bad */
+    uint16(0) == 0x5a4d and uint32(uint32(0x3C)) == 0x0000AD0B 
 }
 
-rule RUAG_Bot_Config_File {
+rule RUAG_Bot_Config_File 
+{
+
   meta:
     description = "Detects a specific config file used by malware in RUAG APT case"
     author = "Florian Roth"
     reference = "https://goo.gl/N5MEj0"
     score = 60
+  
   strings:
     $s1 = "[CONFIG]" ascii
     $s2 = "name = " ascii
     $s3 = "exe = cmd.exe" ascii
+  
   condition:
     $s1 at 0 and $s2 and $s3 and filesize < 160 
 }
 
-rule RUAG_Cobra_Malware {
+rule RUAG_Cobra_Malware 
+{
+
   meta:
     description = "Detects a malware mentioned in the RUAG Case called Carbon/Cobra"
     author = "Florian Roth"
     reference = "https://goo.gl/N5MEj0"
     score = 60
+ 
   strings:
     $s1 = "\\Cobra\\Release\\Cobra.pdb" ascii
+  
   condition:
     uint16(0) == 0x5a4d and $s1
 }
 
-rule RUAG_Cobra_Config_File {
+rule RUAG_Cobra_Config_File 
+{
+
   meta:
     description = "Detects a config text file used by malware Cobra in RUAG case"
     author = "Florian Roth"
     reference = "https://goo.gl/N5MEj0"
     score = 60
+
   strings:
     $h1 = "[NAME]" ascii
-
     $s1 = "object_id=" ascii
     $s2 = "[TIME]" ascii fullword
     $s3 = "lastconnect" ascii 
@@ -200,24 +221,28 @@ rule RUAG_Cobra_Config_File {
     $s8 = "run_task_system" ascii
     $s9 = "[WORKDATA]" ascii 
     $s10 = "address1" ascii
+  
   condition:
     $h1 at 0 and 8 of ($s*) and filesize < 5KB
 }
 
-rule RUAG_Exfil_Config_File {
+rule RUAG_Exfil_Config_File 
+{
+
   meta:
     description = "Detects a config text file used in data exfiltration in RUAG case"
     author = "Florian Roth"
     reference = "https://goo.gl/N5MEj0"
     score = 60
+
   strings:
     $h1 = "[TRANSPORT]" ascii
-
     $s1 = "system_pipe" ascii
     $s2 = "spstatus" ascii
     $s3 = "adaptable" ascii 
     $s4 = "post_frag" ascii
     $s5 = "pfsgrowperiod" ascii
+  
   condition:
     $h1 at 0 and all of ($s*) and filesize < 1KB
 }
@@ -230,6 +255,7 @@ import "pe"
 
 rule WaterBug_turla_dll 
 {
+  
     meta:
         description = "Symantec Waterbug Attack - Trojan Turla DLL"
         author = "Symantec Security Response"
@@ -242,31 +268,33 @@ rule WaterBug_turla_dll
     condition:
         pe.exports("ee") and $a
 }
+
 rule turla_dropper
 { 
-	meta:
-		maltype = "turla dropper"
-		ref = "https://github.com/reed1713"
-		reference = "http://info.baesystemsdetica.com/rs/baesystems/images/snake_whitepaper.pdf"
-		date = "3/13/2014"
-		description = "This sample was pulled from the bae systems snake campaign report. The Turla dropper creates a file in teh temp dir and registers an auto start service call \"RPC Endpoint Locator\"."
-	strings:
+   
+    meta:
+        maltype = "turla dropper"
+        ref = "https://github.com/reed1713"
+        reference = "http://info.baesystemsdetica.com/rs/baesystems/images/snake_whitepaper.pdf"
+        date = "3/13/2014"
+        description = "This sample was pulled from the bae systems snake campaign report. The Turla dropper creates a file in teh temp dir and registers an auto start service call \"RPC Endpoint Locator\"."
+    strings:
 
-		$type="Microsoft-Windows-Security-Auditing"
-		$eventid="4688"
-		$data="AppData\\Local\\Temp\\rsys.exe"
+        $type="Microsoft-Windows-Security-Auditing"
+        $eventid="4688"
+        $data="AppData\\Local\\Temp\\rsys.exe"
 
-		$type1="Service Control Manager"
-		$eventid1="7036"
-		$data1="RPC Endpoint Locator"
-		$data2="running"
+        $type1="Service Control Manager"
+        $eventid1="7036"
+        $data1="RPC Endpoint Locator"
+        $data2="running"
 
-		$type2="Service Control Manager"
-		$eventid2="7045"
-		$data3="RPC Endpoint Locator"
-		$data4="user mode service" 
-		$data5="auto start"
+        $type2="Service Control Manager"
+        $eventid2="7045"
+        $data3="RPC Endpoint Locator"
+        $data4="user mode service" 
+        $data5="auto start"
 
-	condition:
+    condition:
     ($type and $eventid and $data) or ($type1 and $eventid1 and $data1 and $data2 and $type2 and $eventid2 and $data3 and $data4 and $data5)
 }