From 13af57f82184d1cfe2cce1aa20c6e888f89dddf3 Mon Sep 17 00:00:00 2001
From: Marc Rivero López <mriverolopez@gmail.com>
Date: Sat, 21 Jan 2017 13:46:56 +0100
Subject: [PATCH] Update APT_APT29_Grizzly_Steppe.yar

Rules indented correctly
---
 malware/APT_APT29_Grizzly_Steppe.yar | 49 ++++++++++++++++++++++++++++++-------------------
 1 file changed, 30 insertions(+), 19 deletions(-)

diff --git a/malware/APT_APT29_Grizzly_Steppe.yar b/malware/APT_APT29_Grizzly_Steppe.yar
index abaecd2..9918d8a 100644
--- a/malware/APT_APT29_Grizzly_Steppe.yar
+++ b/malware/APT_APT29_Grizzly_Steppe.yar
@@ -8,13 +8,17 @@
    Date: 2016-12-29
    Identifier: GRIZZLY STEPPE
 */
-rule GRIZZLY_STEPPE_Malware_1 {
+
+rule GRIZZLY_STEPPE_Malware_1
+{
+
    meta:
       description = "Auto-generated rule - file HRDG022184_certclint.dll"
       author = "Florian Roth"
       reference = "https://goo.gl/WVflzO"
       date = "2016-12-29"
       hash1 = "9f918fb741e951a10e68ce6874b839aef5a26d60486db31e509f8dcaa13acec5"
+
    strings:
       $s1 = "S:\\Lidstone\\renewing\\HA\\disable\\In.pdb" fullword ascii
       $s2 = "Repeat last find command)Replace specific text with different text" fullword wide
@@ -22,11 +26,14 @@ rule GRIZZLY_STEPPE_Malware_1 {
       $s6 = "Self Process" fullword wide
       $s7 = "Default Process" fullword wide
       $s8 = "Star Polk.exe" fullword wide
+
    condition:
       ( uint16(0) == 0x5a4d and filesize < 300KB and 4 of them )
 }
 
-rule GRIZZLY_STEPPE_Malware_2 {
+rule GRIZZLY_STEPPE_Malware_2
+{
+
    meta:
       description = "Auto-generated rule - file 9acba7e5f972cdd722541a23ff314ea81ac35d5c0c758eb708fb6e2cc4f598a0"
       author = "Florian Roth"
@@ -34,24 +41,28 @@ rule GRIZZLY_STEPPE_Malware_2 {
       date = "2016-12-29"
       hash1 = "9acba7e5f972cdd722541a23ff314ea81ac35d5c0c758eb708fb6e2cc4f598a0"
       hash2 = "55058d3427ce932d8efcbe54dccf97c9a8d1e85c767814e34f4b2b6a6b305641"
+      
    strings:
       $x1 = "GoogleCrashReport.dll" fullword ascii
-
       $s1 = "CrashErrors" fullword ascii
       $s2 = "CrashSend" fullword ascii
       $s3 = "CrashAddData" fullword ascii
       $s4 = "CrashCleanup" fullword ascii
       $s5 = "CrashInit" fullword ascii
+
    condition:
       ( uint16(0) == 0x5a4d and filesize < 1000KB and $x1 ) or ( all of them )
 }
 
-rule PAS_TOOL_PHP_WEB_KIT_mod {
+rule PAS_TOOL_PHP_WEB_KIT_mod 
+{
+   
    meta:
       description = "Detects PAS Tool PHP Web Kit"
       reference = "https://www.us-cert.gov/security-publications/GRIZZLY-STEPPE-Russian-Malicious-Cyber-Activity"
       author = "US CERT - modified by Florian Roth due to performance reasons"
       date = "2016/12/29"
+   
    strings:
       $php = "<?php"
       $base64decode1 = "='base'.("
@@ -60,47 +71,47 @@ rule PAS_TOOL_PHP_WEB_KIT_mod {
       $gzinflate = "gzinflate"
       $cookie = "_COOKIE"
       $isset = "isset"
+   
    condition:
-      $php at 0 and
-      (filesize > 10KB and filesize < 30KB) and
-      #cookie == 2 and
-      #isset == 3 and
-      all of them
+      $php at 0 and (filesize > 10KB and filesize < 30KB) and #cookie == 2 and #isset == 3 and all of them
 }
 
-rule WebShell_PHP_Web_Kit_v3 {
+rule WebShell_PHP_Web_Kit_v3
+{
+
    meta:
       description = "Detects PAS Tool PHP Web Kit"
       reference = "https://github.com/wordfence/grizzly"
       author = "Florian Roth"
       date = "2016/01/01"
+
    strings:
       $php = "<?php $"
       $php2 = "@assert(base64_decode($_REQUEST["
-
       $s1 = "(str_replace(\"\\n\", '', '"
       $s2 = "(strrev($" ascii
       $s3 = "de'.'code';" ascii
+
    condition:
-      ( $php at 0 or $php2 ) and
-      filesize > 8KB and filesize < 100KB and
-      all of ($s*)
+      ( $php at 0 or $php2 ) and filesize > 8KB and filesize < 100KB and all of ($s*)
 }
 
-rule WebShell_PHP_Web_Kit_v4 {
+rule WebShell_PHP_Web_Kit_v4
+{
+
    meta:
       description = "Detects PAS Tool PHP Web Kit"
       reference = "https://github.com/wordfence/grizzly"
       author = "Florian Roth"
       date = "2016/01/01"
+
    strings:
       $php = "<?php $"
-
       $s1 = "(StR_ReplAcE(\"\\n\",'',"
       $s2 = ";if(PHP_VERSION<'5'){" ascii
       $s3 = "=SuBstr_rePlACe(" ascii
+
    condition:
-      $php at 0 and
-      filesize > 8KB and filesize < 100KB and
-      2 of ($s*)
+      $php at 0 and filesize > 8KB and filesize < 100KB and 2 of ($s*)
 }
+
--
libgit2 0.26.0