22 Commits

Author SHA1 Message Date
Gabor Gyorvari
26458d20af Sample update 2023-05-14 08:59:43 +02:00
Gabor Gyorvari
70edc4210d Sample update 2023-05-14 08:45:20 +02:00
Gabor Gyorvari
aec0f56af5 Sample update 2023-02-25 07:47:30 +01:00
Gabor Gyorvari
2e8b9c604f Merge remote-tracking branch 'origin/master' 2022-11-18 14:10:57 +01:00
Gabor Gyorvari
802ead97cc Flag usage fix about wordpress version checksum 2022-11-18 14:10:45 +01:00
Győrvári Gábor
4666a101f9 Merge pull request #81 from Fot0n/patch-1
Make it compatible with php 8.1
2022-09-19 12:51:07 +02:00
Fot0n
e4755feeef Make it compatible with php 8.1
strftime was deprecated.
2022-09-19 13:49:05 +03:00
Gabor Gyorvari
920cf8a4c6 Backdoor script samples 2022-08-17 18:52:03 +02:00
Gabor Gyorvari
aa774f4330 Another obfuscated malware check 2022-08-09 09:18:07 +02:00
Győrvári Gábor
cd1164dbb5 Merge pull request #80 from elliotkendall/master
Cast $needle in calls to strpos/stripos to string to avoid automatic …
2022-07-25 19:15:19 +02:00
Elliot Kendall
77ebd8abd7 Cast $needle in calls to strpos/stripos to string to avoid automatic ordinal conversion of integer patterns 2022-07-25 09:52:27 -07:00
Gabor Gyorvari
29e6c73558 Webshell matching pattern update 2022-07-22 11:28:18 +02:00
Gabor Gyorvari
bf13288367 Nested function call pattern update 2022-07-17 08:17:20 +02:00
Gabor Gyorvari
088c0761b3 Pattern update about new infections found 2022-07-14 19:59:23 +02:00
Gabor Gyorvari
18b06fc48b Whitelist update and two little pattern fix, reported in #78 2022-07-11 20:03:53 +02:00
Gabor Gyorvari
f1b8b89ca5 Samples update, reported in #77 2022-07-07 14:42:37 +02:00
Gabor Gyorvari
c6a52dc67e Whitelist update, reported in #76 2022-06-30 20:55:37 +02:00
Gabor Gyorvari
3b76a7270e Backdoor reported in #72 2022-03-24 18:46:58 +01:00
Gabor Gyorvari
f0bdb1f1e1 Backdoor reported in #71 2021-12-13 18:09:02 +01:00
Gabor Gyorvari
43876b337b Pattern updates from new infections 2021-05-27 06:57:08 +02:00
Gabor Gyorvari
1fad164790 gzipped payload 2021-05-27 06:57:08 +02:00
Gabor Gyorvari
f4d53e89d8 Pattern updates from new infections 2021-05-27 06:57:08 +02:00
6 changed files with 171 additions and 33 deletions

View File

@@ -34,7 +34,7 @@ Usage: php scan.php -d <directory>
-t --time Show time of last file change -t --time Show time of last file change
-L --line-number Display matching pattern line number in file -L --line-number Display matching pattern line number in file
-o --output-format Custom defined output format -o --output-format Custom defined output format
-j --wordpress-version Version of wordpress to get md5 signatures -j <version> --wordpress-version Version of wordpress to get md5 signatures
--combined-whitelist Combined whitelist --combined-whitelist Combined whitelist
--custom-whitelist Loads whitelist from specified file and merge with existing --custom-whitelist Loads whitelist from specified file and merge with existing
--disable-stats Disable statistics output --disable-stats Disable statistics output

View File

@@ -16,7 +16,48 @@ opendns
phishtank phishtank
sophos sophos
surfright surfright
symantec # symantec - removed because already a TLD too so generate many false positives
# SEO poison, pharmacy redirect # SEO poison, pharmacy redirect
dealonline.su dealonline.su
# functions escaped as hexadecimal string
7068705f756e616d65
70687076657273696f6e
6368646972
676574637764
707265675f73706c6974
636f7079
66696c655f6765745f636f6e74656e7473
6261736536345f6465636f6465
69735f646972
6f625f656e645f636c65616e28293b
756e6c696e6b
6d6b646972
63686d6f64
7363616e646972
7374725f7265706c616365
68746d6c7370656369616c6368617273
7661725f64756d70
666f70656e
667772697465
66636c6f7365
64617465
66696c656d74696d65
737562737472
737072696e7466
66696c657065726d73
746f756368
66696c655f657869737473
72656e616d65
69735f6172726179
69735f6f626a656374
737472706f73
69735f7772697461626c65
69735f7265616461626c65
737472746f74696d65
66696c6573697a65
726d646972
6f625f6765745f636c65616e
7265616466696c65
617373657274

View File

@@ -180,6 +180,7 @@ kZWZpbm
# Obfuscation related code # Obfuscation related code
eval("?> eval("?>
eval('?>
"base64_decode" "base64_decode"
='base'.(32*2).'_de'.'code' ='base'.(32*2).'_de'.'code'
"p"."r"."e"."g"."_" "p"."r"."e"."g"."_"
@@ -202,6 +203,9 @@ gz'.'inf'.'late
# fopo.com.ar - free online php obfuscator. It conveniently leaves comments in the code. # fopo.com.ar - free online php obfuscator. It conveniently leaves comments in the code.
http://www.fopo.com.ar/ http://www.fopo.com.ar/
@eval("\ @eval("\
";eval(
eval(eval(
@eval(`
#Malware/Attack specific strings/fingerprints/signatures #Malware/Attack specific strings/fingerprints/signatures
MagelangCyber MagelangCyber
@@ -259,6 +263,7 @@ FaisaL Ahmed aka rEd X
smisbot smisbot
smotherbot smotherbot
Indonesian Hacker Rulez Indonesian Hacker Rulez
pwetan.com
# WP-VCD Malware https://www.getastra.com/blog/911/how-to-fix-wp-vcd-backdoor-hack-in-wordpress-functions-php/ # WP-VCD Malware https://www.getastra.com/blog/911/how-to-fix-wp-vcd-backdoor-hack-in-wordpress-functions-php/
wp-vcd wp-vcd
@@ -374,3 +379,50 @@ ZeroByte
# SEO poisoning control site call # SEO poisoning control site call
"http://$xxx "http://$xxx
?useragent=$botbotbot ?useragent=$botbotbot
# php://input encoded in base64
cGhwOi8vaW5wdXQ=
# backdoor script
<font color="red">Upload Gagal..</font><br />
explode('?>',$shell
0.33333333333333+0.33333333333333+0.33333333333333
0.66666666666667+0.66666666666667+0.66666666666667
1.3333333333333+1.3333333333333+1.3333333333333
class _t{private static$_
'LQ'.'=='
# common mobile agent check in SEO poison scripts
Array("1207", "3gso", "4thp", "501i", "502i", "503i", "504i", "505i", "506i",
# eval url decoded string
eval(rawurldecode('
# simple obfuscated function
'gz'.'unc'.'ompress'
'create'.'_'.'function'
'gzinf', 'la', 'te'
'e_f', 'cti', 'un', 'on', 'cr', 'eat'
'base', '64_dec', 'ode'
'cook', 'set', 'ie'
'repl', 'str_', 'ace'
"base"."64_"
'base'.'64_'
"t"."m"."p"."_"."n"."a"."m"."e"
"f"."i"."l"."e"."_"."p"."u"."t"
"f"."i"."l"."e"."_"."g"."e"."t"
'ode', 'e64_', 'bas', 'dec'
'unct', 'ion', 'te_f', 'crea'
'te', 'g', 'nf', 'l', 'a', 'zi'
'tion', 'e_func', 'creat'
'64_d', 'se', 'eco', 'de', 'ba'
'co', 'ki', 'e', 'o', 'set'
'str', '_rep', 'lace'
# process data from request object directly
extract($_REQUEST) && @$
extract($_REQUEST)&&@$
xtract($_REQUEST)&&@$
# uncompress cafted content
gzuncompress(strrev(substr(

View File

@@ -60,7 +60,7 @@ chr\s*\(\s*101\s*\)\s*\.\s*chr\s*\(\s*118\s*\)\s*\.\s*chr\s*\(\s*97\s*\)\s*\.\s*
#Detects the '_' character encoded in a string like "\x5F". '_' is present in many functions that malware would want to hide. #Detects the '_' character encoded in a string like "\x5F". '_' is present in many functions that malware would want to hide.
# '_' as "\x5f" # '_' as "\x5f"
\\[Xx](5[Ff]) # \\[Xx](5[Ff]) - removed because generate many false positives
#Detects the '_' character placed inside a call to the 'chr()' function #Detects the '_' character placed inside a call to the 'chr()' function
# '_' as 'chr(95)' or 'chr(0x5f)' # '_' as 'chr(95)' or 'chr(0x5f)'
@@ -95,7 +95,7 @@ eval\(\$[a-z0-9_]+\(\$_POST
("[a-z0-9]+"\.chr\(\d+\)\.){3,} ("[a-z0-9]+"\.chr\(\d+\)\.){3,}
# nested function call used variables # nested function call used variables
\$[a-z]+\(\$[a-z0-9]+\( \$[a-z0-9_]+\(\$[a-z0-9_]+\(
# GLOBALS inject with escaped content # GLOBALS inject with escaped content
\$GLOBALS;\$\{"\\x \$GLOBALS;\$\{"\\x
@@ -116,4 +116,41 @@ function\s+_[0-9]{8,}\(
create_function\s*\(\s*['"]{2} create_function\s*\(\s*['"]{2}
# control concated from cookie at the call # control concated from cookie at the call
(\$[a-z]{2,}=urldecode\(\$_COOKIE\['[a-z]{2,}'\]\);){3,} (\$[a-z]{2,}=urldecode\(\$_COOKIE\['[a-z]{2,}'\]\);){3,}
# ${$O{18}.$O{7}.$O{24}.$O{2}.$O{50}.$O{8}
(\$[A-Z]+\{\d+\}\.){3,}
# comment in variable name $_REQUEST /*YUsrqpbzvXTSa...QpDNTPYQvLSFPCqsSnWNVqPdSIAYaQj*/[
\$_REQUEST\s*\/\*[A-Za-z]+\*\/\[
# cookie payload if(isset($_COOKIE)){$p=$_COOKIE;(count($p)==55&&in_array(gettype($p).count($p),$p))?(($p[68]=$p[68].$p[22])&&($p[35]=$p[68]($p[35]))&&($p=$p[35]($p[13],$p[68]($p[45])))&&$p()):$p;}
\(count\(\$p\)==\d+&&in_array\(gettype\(\$p\)\.count\(\$p\),\$p\)\)
# gzipped payload post process
explode\('\|\x01\|\x03\|\x03', gzinflate\(
# backdoor reported #71
@header\(\w{3,5}::\w{1,2}\('_\w{1,3}' \. '\w{1,3}', '_\w{1,3}'\)\);
@header\(\w{3,5}::\w{1,2}\('_\w{1,3}', '_' \. '\w{1,3}' . '\w{1,3}'\)\);
# backdoor reported #72
@\$[a-z]{1}\[\d+\]\(\$[a-z]{1}\[\d+\]\);
# reported #77
\$[a-z]11 \^ [a-z]8\(\$[a-z]6, \$[a-z]14, \$[a-z]6\[13\]\(\$[a-z]11\)\)\)\);
# eval function return and concat
eval\([A-Za-z0-9]{5,}\(\) \. '
# eval function return, parameter is a hex string
eval\([A-Za-z0-9]{5,}\(\"[A-Z0-9]{16,}
# gzip payload called by variable named function
\$[a-zA-Z0-9]{6,}\('\x78\x9C\xAD\x90\x41\x0E
# obfuscated code return with error suppression
return @\$[a-z]{2}\d+\[\d+\]\(\$[a-z]{2}\d+\[\d+\],
# htaccess alternating
[a-z]{1}\([a-z]{1}\(\$[a-z]{2}\.'\/\.htaccess'\)

View File

@@ -622,8 +622,8 @@ class MalwareScanner
private function report($start, $dir) private function report($start, $dir)
{ {
$end = time(); $end = time();
echo 'Start time: ' . strftime('%Y-%m-%d %H:%M:%S', $start) . PHP_EOL; echo 'Start time: ' . date('Y-m-d H:m:s', $start) . PHP_EOL;
echo 'End time: ' . strftime('%Y-%m-%d %H:%M:%S', $end) . PHP_EOL; echo 'End time: ' . date('Y-m-d H:m:s', $end) . PHP_EOL;
echo 'Total execution time: ' . ($end - $start) . PHP_EOL; echo 'Total execution time: ' . ($end - $start) . PHP_EOL;
echo 'Base directory: ' . $dir . PHP_EOL; echo 'Base directory: ' . $dir . PHP_EOL;
echo 'Total directories scanned: ' . $this->stat['directories'] . PHP_EOL; echo 'Total directories scanned: ' . $this->stat['directories'] . PHP_EOL;
@@ -709,14 +709,14 @@ class MalwareScanner
//Returns true if the raw string exists in the file contents. //Returns true if the raw string exists in the file contents.
private function scanFunc_STR(&$pattern, &$content) private function scanFunc_STR(&$pattern, &$content)
{ {
return strpos($content, $pattern); return strpos($content, (string)$pattern);
} }
//Performs raw string, case insensitive matching. //Performs raw string, case insensitive matching.
//Returns true if the raw string exists in the file contents, ignoring case. //Returns true if the raw string exists in the file contents, ignoring case.
private function scanFunc_STRI(&$pattern, &$content) private function scanFunc_STRI(&$pattern, &$content)
{ {
return stripos($content, $pattern); return stripos($content, (string)$pattern);
} }
//Performs regular expression matching. //Performs regular expression matching.
@@ -859,7 +859,7 @@ class MalwareScanner
echo ' -t --time Show time of last file change' . PHP_EOL; echo ' -t --time Show time of last file change' . PHP_EOL;
echo ' -L --line-number Display matching pattern line number in file' . PHP_EOL; echo ' -L --line-number Display matching pattern line number in file' . PHP_EOL;
echo ' -o --output-format Custom defined output format' . PHP_EOL; echo ' -o --output-format Custom defined output format' . PHP_EOL;
echo ' -j --wordpress-version Version of wordpress to get md5 signatures' . PHP_EOL; echo ' -j <version> --wordpress-version Version of wordpress to get md5 signatures' . PHP_EOL;
echo ' --combined-whitelist Combined whitelist' . PHP_EOL; echo ' --combined-whitelist Combined whitelist' . PHP_EOL;
echo ' --disable-stats Disable statistics output' . PHP_EOL; echo ' --disable-stats Disable statistics output' . PHP_EOL;

View File

@@ -256,25 +256,33 @@ e45b8afd0b65516c175ed23f7183bab1 /jquery-migrate-1.1.1.min.js
dc0102c151c491b8a0f65a520e26e083 /jquery-migrate-1.1.0.min.js dc0102c151c491b8a0f65a520e26e083 /jquery-migrate-1.1.0.min.js
1f5980833a26b490296db71951e1024f /jquery-migrate-1.0.0.js 1f5980833a26b490296db71951e1024f /jquery-migrate-1.0.0.js
dd6f8586a1afae562493e9c7cd1ffeea /jquery-migrate-1.0.0.min.js dd6f8586a1afae562493e9c7cd1ffeea /jquery-migrate-1.0.0.min.js
f2fc939d607b2e861af2701a15d14430 /ace/ace.min.js f2fc939d607b2e861af2701a15d14430 /ace/ace.min.js
2954b8d06fd846e81c12b0fd0b3d2d35 /ace/ace/ace.js 2954b8d06fd846e81c12b0fd0b3d2d35 /ace/ace/ace.js
c333e22e892cd099e776e9384bbbaa63 /ace/ace/ext-beautify.js c333e22e892cd099e776e9384bbbaa63 /ace/ace/ext-beautify.js
b391899e17b7aea2cf2998656c40f2c6 /core/components/phpthumbof/model/aws/_compatibility_test/sdk_compatibility_test.php b391899e17b7aea2cf2998656c40f2c6 /core/components/phpthumbof/model/aws/_compatibility_test/sdk_compatibility_test.php
6cfb5a3b2820fe378b73c901ee6fc031 /core/components/phpthumbof/model/aws/sdk.class.php 6cfb5a3b2820fe378b73c901ee6fc031 /core/components/phpthumbof/model/aws/sdk.class.php
dd894a093463d38f9c9fdbcb7c88cc23 /core/model/aws/sdk.class.php dd894a093463d38f9c9fdbcb7c88cc23 /core/model/aws/sdk.class.php
1ed9b9eea82c9f1ead337b67c188206b /core/model/phpthumb/phpthumb.class.php 1ed9b9eea82c9f1ead337b67c188206b /core/model/phpthumb/phpthumb.class.php
ef55bdc338994e87b650e2cf0f87df45 /core/model/smarty/sysplugins/smarty_internal_template.php ef55bdc338994e87b650e2cf0f87df45 /core/model/smarty/sysplugins/smarty_internal_template.php
f8f2e883e5323ed5935f42b17ceda6ba /core/model/smarty/sysplugins/smarty_template_compiled.php f8f2e883e5323ed5935f42b17ceda6ba /core/model/smarty/sysplugins/smarty_template_compiled.php
3d84a338c9daaacc711834cb7797ac98 /core/model/smarty/sysplugins/smarty_cacheresource_custom.php 3d84a338c9daaacc711834cb7797ac98 /core/model/smarty/sysplugins/smarty_cacheresource_custom.php
d6be1074d266aecb739352150798d97d /core/model/smarty/sysplugins/smarty_cacheresource_keyvaluestore.php d6be1074d266aecb739352150798d97d /core/model/smarty/sysplugins/smarty_cacheresource_keyvaluestore.php
c363512229135b182006a97ba43d31e7 /core/model/smarty/sysplugins/smarty_resource_recompiled.php c363512229135b182006a97ba43d31e7 /core/model/smarty/sysplugins/smarty_resource_recompiled.php
fc8f1e9f0ff666af7beb3f61b055c0e8 /core/model/smarty/sysplugins/smarty_internal_cacheresource_file.php fc8f1e9f0ff666af7beb3f61b055c0e8 /core/model/smarty/sysplugins/smarty_internal_cacheresource_file.php
092a5a658bf49a3c1549f9bd809218ea /core/xpdo/compression/pclzip.lib.php 092a5a658bf49a3c1549f9bd809218ea /core/xpdo/compression/pclzip.lib.php
761f1578928050a03f4aa4c789f1d136 /manager/assets/fileapi/FileAPI.js 761f1578928050a03f4aa4c789f1d136 /manager/assets/fileapi/FileAPI.js
3c9137d88a00b1ae0b41ff6a70571615 /assets/components/tinymcewrapper/frontend/imogen_theme/js/jquery.js 3c9137d88a00b1ae0b41ff6a70571615 /assets/components/tinymcewrapper/frontend/imogen_theme/js/jquery.js
bb127b5ce56b45e8b4b91de2e60dd9eb /assets/components/googleanalytics/js/mgr/libs/highcharts.js bb127b5ce56b45e8b4b91de2e60dd9eb /assets/components/googleanalytics/js/mgr/libs/highcharts.js
7d7958bb0a9438a8966807f9202d0bce /assets/components/tinymce/jscripts/tiny_mce/plugins/spellchecker/classes/PSpellShell.php 7d7958bb0a9438a8966807f9202d0bce /assets/components/tinymce/jscripts/tiny_mce/plugins/spellchecker/classes/PSpellShell.php
3ee0a4d8a06cedc0a56f29e8f351ef72 /pclzip-2-8-2/pclzip.lib.php 3ee0a4d8a06cedc0a56f29e8f351ef72 /pclzip-2-8-2/pclzip.lib.php
abfd2987afd1f66e3eed50bebbeb6750 /sucuri-scanner-1.8.24/src/base.lib.php abfd2987afd1f66e3eed50bebbeb6750 /sucuri-scanner-1.8.24/src/base.lib.php
78477b67cb223e4504689fef33119884 /sucuri-scanner-1.8.24/src/sitecheck.lib.php 78477b67cb223e4504689fef33119884 /sucuri-scanner-1.8.24/src/sitecheck.lib.php
e48460f6ef0c911dc5ad558c57bfd52f /sucuri-scanner-1.8.24/src/integrity.lib.php e48460f6ef0c911dc5ad558c57bfd52f /sucuri-scanner-1.8.24/src/integrity.lib.php
29f34168b7384cca58ba64885461e115 wp-admin/includes/class-pclzip.php -> Wordpress Core 6.0
a54895edc1402cf1b7b5ecd3f5d85e6b wp-includes/formatting.php -> Wordpress Core 6.0
178f2fbc6a48f605ed84b156103d5366 wp-content/plugins/wordpress-seo/vendor_prefixed/guzzlehttp/guzzle/src/Middleware.php -> Yoast SEO plugin 19.2
1e2d246c57d2123aa8938c8263cb1d3d wp-content/plugins/wordpress-seo/admin/tracking/class-tracking-server-data.php -> Yoast SEO plugin 19.2
cacb5670ebb2de31976a4b2eb06cac86 wp-content/plugins/worker/src/MWP/ServiceContainer/Abstract.php -> managewp plugin 4.9.14 from managewp.com
ffa76b9ff298702a733747521cfdee69 wp-content/plugins/worker/src/MWP/Action/GetState.php -> managewp plugin 4.9.14 from managewp.com
ccce5f45d1ac66bd2bebe75d666b5720 wp-content/plugins/redirection/models/regex.php
ae810d74d638c611d8bd958777c9ac6a wp-content/plugins/ssl-insecure-content-fixer/includes/nonces.php