32 Commits

Author SHA1 Message Date
Gabor Gyorvari
55e75079df Little return value fix 2026-06-02 06:46:11 +02:00
Győrvári Gábor
c9e4050b7d Merge pull request #96 from contemas-tschmidt/fix/bugs-and-improvements
Fix multiple bugs and improve robustness
2026-06-02 06:43:51 +02:00
Thomas Schmidt
31fa36c82a Fix multiple bugs and improve robustness
- Fix date format in report(): H:m:s -> H:i:s (m=month, i=minutes)
- Fix loadWhitelists(): skip lines shorter than 32 chars to avoid empty hash entries
- Fix updateCombinedWhitelist(): return false on hash mismatch after download
- Fix scan(): handle file_get_contents() failure for unreadable files
- Fix scanFunc_RE(): suppress and handle invalid regex patterns gracefully
- Fix addWordpressChecksums(): validate version format, handle network/JSON errors, support both API response formats
- Add 30s HTTP timeout to updateCombinedWhitelist() network requests
- Fix composer.json minimum PHP version: 5.2 -> 5.3 (anonymous functions require 5.3)
- Add .gitignore for .idea/, whitelist.dat, vendor/

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-06-01 16:12:36 +02:00
Gabor Gyorvari
ba466dc1ff Sample update from #94 and some found in servers 2026-02-24 06:58:29 +01:00
Gabor Gyorvari
201ab77516 Sample update from #94 2025-06-09 20:28:26 +02:00
Gabor Gyorvari
46024eca5e Merge remote-tracking branch 'origin/master' 2025-05-15 17:55:32 +02:00
Gabor Gyorvari
a31cc18dc5 Sample update from #93 2025-05-15 17:55:25 +02:00
Győrvári Gábor
96806c69e9 Merge pull request #92 from edward-rafalovsky/feature/add-docker-support
Add Docker support with documentation
2024-12-05 06:44:14 +01:00
Edward Rafalovsky
42c2aad685 Add Docker support with documentation 2024-12-04 23:41:36 +01:00
Gabor Gyorvari
cad03dc3b4 Javascript sample update in #91 2024-07-08 17:55:38 +02:00
Gabor Gyorvari
c542a745e4 Sample update 2024-05-22 14:16:44 +02:00
Gabor Gyorvari
7ac65c0c8d Hide error arg fix 2024-05-22 14:04:07 +02:00
Gabor Gyorvari
5061e319e3 Sample update 2024-05-22 14:03:43 +02:00
Gabor Gyorvari
b2b2c4b081 Small typo, fix #88 2023-07-26 12:39:34 +02:00
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
9 changed files with 297 additions and 50 deletions

3
.gitignore vendored Normal file
View File

@@ -0,0 +1,3 @@
.idea/
whitelist.dat
vendor/

15
Dockerfile Normal file
View File

@@ -0,0 +1,15 @@
FROM php:8.2-cli
# Install dependencies
RUN apt-get update && apt-get install -y \
git \
unzip \
libzip-dev \
&& docker-php-ext-install zip
WORKDIR /scanner
COPY . .
RUN chmod +x scan
ENTRYPOINT ["./scan"]
CMD ["/code"]

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
@@ -146,3 +146,37 @@ Licensing
--------- ---------
PHP malware scanner is [licensed](https://github.com/scr34m/php-malware-scanner/blob/master/LICENSE.txt) under the GNU General Public License v3. PHP malware scanner is [licensed](https://github.com/scr34m/php-malware-scanner/blob/master/LICENSE.txt) under the GNU General Public License v3.
Docker Usage
-----------
You can also run the scanner using Docker:
1. Build the image:
```bash
docker build -t php-malware-scanner .
```
2. Scan a directory:
```bash
docker run -v /path/to/scan:/code php-malware-scanner -d /code
```
For example, to scan a WordPress installation:
```bash
docker run -v /var/www/html:/code php-malware-scanner -d /code -j 6.4.1
```
Common usage with flags:
```bash
# Show only infected files (hide OK status)
docker run -v /path/to/scan:/code php-malware-scanner -d /code -k
# Show comments for matched patterns
docker run -v /path/to/scan:/code php-malware-scanner -d /code -c
# Show MD5 hashes and continue after first match
docker run -v /path/to/scan:/code php-malware-scanner -d /code -m -s
```
The `/code` directory inside the container is where your files will be mounted for scanning.

View File

@@ -6,7 +6,7 @@
"license": "GPL-3.0", "license": "GPL-3.0",
"homepage": "https://github.com/scr34m/php-malware-scanner", "homepage": "https://github.com/scr34m/php-malware-scanner",
"require": { "require": {
"php": ">=5.2.0" "php": ">=5.3.0"
}, },
"autoload": { "autoload": {
}, },

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

@@ -22,14 +22,23 @@ SHELL_PASSWORD
ConnectBackShell ConnectBackShell
ShellBOT ShellBOT
== "bindshell" == "bindshell"
".\x00..\x20"
FM_SESSION_ID
HACKED BY
_Mybb
#Remote Code #Remote Code
curl_get_from_webpage curl_get_from_webpage
file_get_contents('http://codepad.org file_get_contents('http://codepad.org
#mailers
leafmailer.pw
#Base64 String Samples. Each plain text string should have 3 base64 equivalents #Base64 String Samples. Each plain text string should have 3 base64 equivalents
# https://
aHR0cHM6Ly
# "shell" in base64 # "shell" in base64
c2hlbG c2hlbG
NoZWxs NoZWxs
@@ -179,15 +188,23 @@ RlZmluZ
kZWZpbm kZWZpbm
# Obfuscation related code # Obfuscation related code
'.'6'.'4'.'_'.'
bas'.'e64_dec
file'.'_put_co
fil'.'e_ex
Pz4=
L3gvaQ==
eval("?> eval("?>
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"."_"
WSOstripslashes WSOstripslashes
\x73\x79\x73\x74\x65\x6d' /* case, dec/hex issue? */, // system \x5f\x43\x4f\x4f\x4b\x49\x45
\x70\x72\x65\x67\x5f\x72\x65\x70\x6c\x61\x63\x65' /* case, dec/hex issue? */, // preg_replace \x73\x79\x73\x74\x65\x6d
\x65\x78\x65\x63' /* dec/hex issue? */, // exec \x70\x72\x65\x67\x5f\x72\x65\x70\x6c\x61\x63\x65
\x65\x78\x65\x63
ev\x61l ev\x61l
\x65\166\x61\154\x28' /* dec/hex issue? */, \x65\166\x61\154\x28' /* dec/hex issue? */,
\x65\x76\x61\x6C' /* case, dec/hex issue? */, \x65\x76\x61\x6C' /* case, dec/hex issue? */,
@@ -200,11 +217,21 @@ base=base64_encode
'b'.'ase6'.'4_e'.'ncode' 'b'.'ase6'.'4_e'.'ncode'
cr"."eat"."e_fun"."cti"."on cr"."eat"."e_fun"."cti"."on
gz'.'inf'.'late gz'.'inf'.'late
# fopo.com.ar - free online php obfuscator. It conveniently leaves comments in the code.
http://www.fopo.com.ar/
@eval("\ @eval("\
";eval( ";eval(
eval(eval( eval(eval(
@eval(`
eVaL('?>
eval($_REQUEST
convert_uudecode(convert_uuencode
"64_decode"
'f' . 'il' . 'e' . '_'
'co' . 'nt' . 'e' . 'nt'
'h' . 'tm' . 'l' . 'sp'
'ha' . 'r' . 's'
# fopo.com.ar - free online php obfuscator. It conveniently leaves comments in the code.
http://www.fopo.com.ar/
#Malware/Attack specific strings/fingerprints/signatures #Malware/Attack specific strings/fingerprints/signatures
MagelangCyber MagelangCyber
@@ -262,6 +289,13 @@ FaisaL Ahmed aka rEd X
smisbot smisbot
smotherbot smotherbot
Indonesian Hacker Rulez Indonesian Hacker Rulez
pwetan.com
iNHUMaN
Heartzz
Bye Bye Litespeed
BunnyInvisible
SEMOGABERKAH
BUTERFLYCOUNTRY
# WP-VCD Malware https://www.getastra.com/blog/911/how-to-fix-wp-vcd-backdoor-hack-in-wordpress-functions-php/ # WP-VCD Malware https://www.getastra.com/blog/911/how-to-fix-wp-vcd-backdoor-hack-in-wordpress-functions-php/
wp-vcd wp-vcd
@@ -359,6 +393,7 @@ php_uname()
str_split(rawurldecode(str_rot13( str_split(rawurldecode(str_rot13(
# generating PHP file name to put content # generating PHP file name to put content
substr(md5(time()), 0, 8) . ".php" substr(md5(time()), 0, 8) . ".php"
'a:1:{s:13:\"administrator\";b:1;}'
# webshell # webshell
0byt3m1n1 0byt3m1n1
@@ -377,6 +412,7 @@ ZeroByte
# SEO poisoning control site call # SEO poisoning control site call
"http://$xxx "http://$xxx
?useragent=$botbotbot ?useragent=$botbotbot
[#*#*#]
# php://input encoded in base64 # php://input encoded in base64
cGhwOi8vaW5wdXQ= cGhwOi8vaW5wdXQ=
@@ -384,6 +420,51 @@ cGhwOi8vaW5wdXQ=
# backdoor script # backdoor script
<font color="red">Upload Gagal..</font><br /> <font color="red">Upload Gagal..</font><br />
explode('?>',$shell 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 # common mobile agent check in SEO poison scripts
Array("1207", "3gso", "4thp", "501i", "502i", "503i", "504i", "505i", "506i", Array("1207", "3gso", "4thp", "501i", "502i", "503i", "504i", "505i", "506i",
# eval url decoded string
eval(rawurldecode('
eval(htmlspecialchars_decode(
# 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(
# disable error reporting
<?php error_reporting(0);?>
# infected file include attached on the top of a legit file
<?php if (file_exists(dirname(__FILE__) . '/class.theme-modules.php')) include_once(dirname(__FILE__) . '/class.theme-modules.php'); ?>
<?php if (file_exists(dirname(__FILE__) . '/class.plugin-modules.php')) include_once(dirname(__FILE__) . '/class.plugin-modules.php'); ?>

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)'
@@ -79,7 +79,7 @@ chr\s*\(\s*['"]?\s*((95)|(0[Xx]5[Ff]))\s*['"]?\s*\)
#Escaped path characters: \x2fho\x6de/\x69mp\x75ls\x69oq\x65/w\x77w. or \x2fhome\x2fimpu\x6csioq\x65/www\x2emusc #Escaped path characters: \x2fho\x6de/\x69mp\x75ls\x69oq\x65/w\x77w. or \x2fhome\x2fimpu\x6csioq\x65/www\x2emusc
(\\x[0-9abcdef]{2}[a-z0-9.-\/]{1,4}){4,} (\\x[0-9abcdef]{2}[a-z0-9.-\/]{1,4}){4,}
#Malware inffected files sometimes marked with comments like /*87cda*/ to avoid infect again #Malware infected files sometimes marked with comments like /*87cda*/ to avoid infect again
\/\*[a-z0-9]{5}\*\/ \/\*[a-z0-9]{5}\*\/
# XOR-ed strings with custom math # XOR-ed strings with custom math
@@ -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
@@ -133,3 +133,35 @@ explode\('\|\x01\|\x03\|\x03', gzinflate\(
# backdoor reported #71 # 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}\('_\w{1,3}' \. '\w{1,3}', '_\w{1,3}'\)\);
@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,}
eval\(\s+'\?>'
# 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}\(\$[a-z]{2}\.'\/\.htaccess'\)
# Javascript specific rules
# JS - escaped command
\.fromCharCode\([0-9,]{4,}\)
\+-parseInt\(\w\('0x[0-9a-z]+'\)\)\/
# concated hash value
('[a-z0-9]{2,}'\.){4,}

View File

@@ -203,7 +203,10 @@ class MalwareScanner
$fp = fopen($file, 'r'); $fp = fopen($file, 'r');
while (!feof($fp)) { while (!feof($fp)) {
$line = fgets($fp); $line = fgets($fp);
$this->whitelist[] = substr($line, 0, 32); $hash = substr($line, 0, 32);
if (strlen($hash) === 32) {
$this->whitelist[] = $hash;
}
} }
fclose($fp); fclose($fp);
} }
@@ -212,16 +215,32 @@ class MalwareScanner
public function addWordpressChecksums($wp_version) public function addWordpressChecksums($wp_version)
{ {
$apiurl = 'https://api.wordpress.org/core/checksums/1.0/?version=' . $wp_version; if (!preg_match('/^\d+\.\d+(\.\d+)?$/', $wp_version)) {
$json = json_decode(file_get_contents($apiurl)); $this->error('Invalid WordPress version format: ' . $wp_version);
$checksums = $json->checksums; exit(-1);
}
if ($checksums->$wp_version == false) { #no checksum returned $apiurl = 'https://api.wordpress.org/core/checksums/1.0/?version=' . $wp_version;
$raw = file_get_contents($apiurl);
if ($raw === false) {
$this->error('Cannot load wordpress checksums from: ' . $apiurl); $this->error('Cannot load wordpress checksums from: ' . $apiurl);
exit(-1); exit(-1);
} }
foreach ($checksums->$wp_version as $file => $checksum) { $json = json_decode($raw);
if ($json === null || !isset($json->checksums)) {
$this->error('Invalid response from WordPress checksums API');
exit(-1);
}
$checksums = $json->checksums;
if ($checksums === false || empty((array)$checksums)) {
$this->error('No checksums returned for WordPress version: ' . $wp_version);
exit(-1);
}
$entries = isset($checksums->$wp_version) ? $checksums->$wp_version : $checksums;
foreach ($entries as $file => $checksum) {
$this->whitelist[] = $checksum; $this->whitelist[] = $checksum;
} }
} }
@@ -231,7 +250,7 @@ class MalwareScanner
private function parseArgs() private function parseArgs()
{ {
$options = getopt( $options = getopt(
'd:e:i:o:abmcxlhkwnsptLj:E', 'd:e:i:o:abmcxlhkrwnsptLj:E',
array( array(
'directory:', 'directory:',
'extension:', 'extension:',
@@ -244,6 +263,7 @@ class MalwareScanner
'follow-link', 'follow-link',
'help', 'help',
'hide-ok', 'hide-ok',
'hide-err',
'hide-whitelist', 'hide-whitelist',
'no-color', 'no-color',
'no-stop', 'no-stop',
@@ -622,8 +642,8 @@ class MalwareScanner
private function report($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:i: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:i: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;
@@ -679,6 +699,12 @@ class MalwareScanner
{ {
$this->stat['files_scanned']++; $this->stat['files_scanned']++;
$fileContent = file_get_contents($path); $fileContent = file_get_contents($path);
if ($fileContent === false) {
if (!$this->flagHideErr) {
echo $this->ANSI_RED . '# ER' . $this->ANSI_OFF . ' # {' . $path . '} (unreadable)' . PHP_EOL;
}
return false;
}
$found = false; $found = false;
$inWhitelist = false; $inWhitelist = false;
$hash = md5($fileContent); $hash = md5($fileContent);
@@ -709,14 +735,14 @@ 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)$pattern);
} }
//Performs regular expression matching. //Performs regular expression matching.
@@ -724,7 +750,10 @@ class MalwareScanner
//Patterns will match multiple lines, though you can use ^$ to match the beginning and end of a line. //Patterns will match multiple lines, though you can use ^$ to match the beginning and end of a line.
private function scanFunc_RE(&$pattern, &$content) private function scanFunc_RE(&$pattern, &$content)
{ {
$ret = preg_match('/' . $pattern . '/im', $content, $match, PREG_OFFSET_CAPTURE); $ret = @preg_match('/' . $pattern . '/im', $content, $match, PREG_OFFSET_CAPTURE);
if ($ret === false) {
return false;
}
if ($ret) { if ($ret) {
return $match[0][1]; return $match[0][1];
} }
@@ -789,11 +818,14 @@ class MalwareScanner
private function updateCombinedWhitelist($url = 'https://scr34m.github.io/php-malware-scanner') private function updateCombinedWhitelist($url = 'https://scr34m.github.io/php-malware-scanner')
{ {
$latest_hash = trim(file_get_contents($url . '/database/compressed.sha256')); $ctx = stream_context_create(array('http' => array('timeout' => 30)));
$latest_hash = file_get_contents($url . '/database/compressed.sha256', false, $ctx);
if ($latest_hash === false) { if ($latest_hash === false) {
$this->error('Unable to download database checksum'); $this->error('Unable to download database checksum');
return false; return false;
} }
$latest_hash = trim($latest_hash);
$file = __DIR__ . '/whitelist.dat'; $file = __DIR__ . '/whitelist.dat';
if (is_readable($file)) { if (is_readable($file)) {
@@ -808,7 +840,7 @@ class MalwareScanner
} }
if ($download) { if ($download) {
$data = file_get_contents($url . '/database/compressed.dat'); $data = file_get_contents($url . '/database/compressed.dat', false, $ctx);
if ($data === false) { if ($data === false) {
$this->error('Unable to download database'); $this->error('Unable to download database');
return false; return false;
@@ -818,6 +850,7 @@ class MalwareScanner
$hash = hash_file('sha256', $file); $hash = hash_file('sha256', $file);
if ($hash != $latest_hash) { if ($hash != $latest_hash) {
$this->error('Downloaded database hash mismatch'); $this->error('Downloaded database hash mismatch');
return false;
} }
} }
@@ -859,7 +892,7 @@ 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

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