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الموقع متاح للإطلاع والقراءة فقط، المشاركة والمواضيع الجديدة غير متاحة حالياً لحين تطوير الموقع.

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  #1  
قديم 12-10-2011, 01:16 AM
shabb_shabb shabb_shabb غير متصل
عضو
 
تاريخ التسجيل: Jul 2005
مشاركة: 3
مستوى تقييم العضوية: 0
shabb_shabb is on a distinguished road
الافتراضي مشكلة في حماية سيرفر linux + directadmin

السلام عليكم ورحمة الله وبركاته
اخواني الكرام اود استفسار حول التالي :
لدي سيرفر يعمل تحت نظام لينوكس ولوحة دايركت ادمن
قمت بفحص الخادم بالاوامر التالية :
find /var/www/ -name "*".php -type f -print0 | xargs -0 grep c99 | uniq -c | sort -u | cut -d":" -f1 | awk '{print "rm -rf " $2}' | uniq


و
find /var/www/ -name "*".php -type f -print0 | xargs -0 grep c100 | uniq -c | sort -u | cut -d":" -f1 | awk '{print "rm -rf " $2}' | uniq

للبحث عن شل اختراق داخل السيرفر ووجد لي التالي :

rm -rf /var/www/html/squirrelmail-1.4.22/src/options_highlight.php
rm -rf /var/www/html/squirrelmail-1.4.22/themes/classic_blue.php

اي الملفات المصابة 2 وهي classic_blue.php + options_highlight.php

وبالامر الثاني وجد
rm -rf /var/www/html/phpMyAdmin-3.4.5-all-languages/libraries/tcpdf/tcpdf.php

اي الثغرات متواجدة في : squirrelmail-1.4.22 الخاص بالبريد و phpMyAdmin-3.4.5-all-languages

كيف يمكنني حماية هذه الثغرات وتصليحها ؟
وكيف يمكنني حماية الخادم (السيرفر) من عدم تفعيل شلات الاختراق مثل c99 + c100 وغيرها من الشلات ؟

للعلم : قمت بحجب دوال :
Disable_functions = dl,passthru,pfsockopen,system,exec,passthru,popen, shell_exec,proc_close,proc_open,proc_nice,proc_ter minate,proc_get_status,posix_getpwuid,posix_uname, openlog,syslog,ftp_exec,posix_uname,posix_getpwuid ,posix_kill,posix_mkfifo,posix_setpgid,posix_setsi d,posix_setuid,get_current_user,getmyuid,getmygid, listen,chgrp,chmod,apache_note,apache_setenv,apach e_child_terminate,closelog,debugger_off,debugge_on ,ini_restore,imap,tempnam,netscript,copy,curl_init ,curl_exec,curl,escapeshellcmd,escapeshellarg,tmpf ile,cmd,backtick,virtual,show_sourc,show_source,pc lose,pcntl_exec,ini_set,ini_get,ini_restore,php.in i,phpini,phpinfo,SQL,id,CURL,copy,ini_restore,imap

حدث العديد من المشاكل في عمل جميع السكربتات وتوقف سكربتات الاختراق مثل c99 + c100
ولكن للاسف تم ايقاف عمل جميع السكربتات لانه تم حجب دوال مهمة لعمل السكربتات

هل يمكن ايجاد حل لهذه المشكلة ؟

بحثت ما يقارب 4 ايام على حل للمشكلة ولم اجد أي طريقة
ارجو ان اجد طلبي لديكم
وشكرا سلفا





  #2  
قديم 14-10-2011, 01:03 PM
الصريح جداً الصريح جداً غير متصل
عضو
 
تاريخ التسجيل: May 2006
المدينة: جـ JeDDaH ـدة
مشاركة: 2,933
مستوى تقييم العضوية: 0
الصريح جداً is on a distinguished road
وسام الويب الذهبي وسام الويب الفضي وسام الويب البرونزي 
عدد الأوسمة: 3 (المزيد ...)
الافتراضي

وعليكم السلام ورحمة الله وبركاته

يمكن مجرد تشابه متغيرات ... لأن الأمر اللي انت وضعته

يبحث لك عن ملفات فيه كلمة c99 وتنتهي بالامتداد php
والثانية c100 وتنتهي بالامتداد php

مجرد يبحث لك عن تشابه اسماء ولأن الملفات اللي وضعتها فيها حرف c
وتنتهي بـ php
اعطاك هي في النتائج

لتأمين السيرفر عندك أمور كثيره لابد تسويها .. أولها اعداد الويب سيرفر ثم php.ini
ركب المود سكيورتي .. ركب Suhison لرفع مستوى أمان PHP

وهذي دوال ممتازة تقدر تحجبها بدون التاثير على اداء السكربتات :

إقتباس:

dl,cmd,backtick,passthru,pfsockopen,system,exec,pa ssthru,popen,shell_exec,proc_close,proc_open,proc_ nice,proc_terminate,proc_get_status,posix_getpwuid ,posix_uname,openlog,syslog,ftp_exec,posix_uname,p osix_getpwuid,posix_kill,posix_mkfifo,posix_setpgi d,posix_setsid,posix_setuid,get_current_user,getmy uid,getmygid,listen,chgrp,chmod,apache_note,apache _setenv,apache_child_terminate,closelog,debugger_o ff,debugge_on,ini_restore,imap,tempnam,netscript,c opy,curl_init,curl_exec,curl,escapeshellcmd,escape shellarg,tmpfile,cmd,backtick,virtual,show_sourc,s how_source,pclose,pcntl_exec,datasec,old_offset,ct rl_dir,ini_alter,passthru,leak,listen,chgrp,apache _setenv,define_syslog_variables,phpinfo,root,allow _url_fopen,diskfreespace,php_uname,disk_free_space ,disk_total_space,posix_kill,getmyuid,getmygid,apa che_child_terminate,mkdir,unlink,php_ini_scanned_f iles,ls,ps_aux,chown,realpath,fpassthru,getrusage, posixc,posame,chgrp,posix_setuid,posix_setsid,posi x_setgid,set_time_limit,apache_note,apache_setenv, x_getuid,e_ini_file,nfoSQL,mysql_list_dbs,glob,err or_log,ini_get_all,fileowner,fileperms,filegroup,h ighlight_file,sscanf,tempnam,ilegetcontents,get_di r,popen,popens,pfsockopen,dos_conv,apache_get_modu les,crack_check,crack_closedict,zip_read,rar_open, bzopen,bzread,bzwrite,shellcode,posix_isatty,posix _getservbyname,escapeshellarg,hypot,pg_host,pos,po six_access,inurl,posix_times,posix_mknod,passthru, pclose,ps_fill,symlink,id,base64_decode,base64_enc odem,session_save_path,confirm_phpdoc_compiled,zip _entry_read,error_log,ini_set,php_u,psockopen,crac k_opendict,crack_getlastmessage,hell-exec,posix_get_last_error,posix_getgroups,posix_st rerror,posix_getrlimit,posix_getpgrp,posix_getgrna m,pos,suExec,readfile,dir,apache_get_version,sessi on.save_path,ftok,posix ext,picostreamer,SQL,plugin,glob,realpath,only_rea d,vdir,e_name,dir,phpini,



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  #3  
قديم 15-10-2011, 05:51 PM
shabb_shabb shabb_shabb غير متصل
عضو
 
تاريخ التسجيل: Jul 2005
مشاركة: 3
مستوى تقييم العضوية: 0
shabb_shabb is on a distinguished road
الافتراضي

اولا , مشكور على المرور والشرح
ولكن بعد فحص الخادم ببرنامج فحص ثغرات تم عرض نفس الصفحات المعروضة اعلاه
ولهذا السبب تم السؤال
تم حماية المذكور في تعليقك في وقت سابق
وبعد فحص الموقع ببرنامج فحص ثغرات لم اجد اي شيء في نتائج البحث
ومع هذا نا غير متاكد من الحماية انها 100% لان الموقع كان مخترق وتم نقله الى خادم جديد وخاص 100% مع المحافظة على رفع كل الملفات من جديد وبنسخة اصلية وليسة النسخة الموجودة على الخادم المصاب الا قواعد البيانات والصور بعد فحصها

هل يوجد لديك أي طريقة لفحص حماية الخادم اذا كانت بنسبة عالية وقوية ؟
مع العلم انني جربت برفع صفحات اختراق مثل شل 100 و 99 وانه يعمل على الخادم بشكل كامل ما عدا الدوال المحضورة مثل انشاء مجلد جديد من خلال الخادم وحذف ملفات او تعديلها ولكن كيف يمكنني التاكد من حماية الخادم وشكرا





  #4  
قديم 17-10-2011, 05:26 AM
الصريح جداً الصريح جداً غير متصل
عضو
 
تاريخ التسجيل: May 2006
المدينة: جـ JeDDaH ـدة
مشاركة: 2,933
مستوى تقييم العضوية: 0
الصريح جداً is on a distinguished road
وسام الويب الذهبي وسام الويب الفضي وسام الويب البرونزي 
عدد الأوسمة: 3 (المزيد ...)
الافتراضي

أهلاً بك

شي طبيعي برنامج فحص الثغرات راح يعرض لك نفس النتيجة

لأنه يستخدم نفس الأمر هذا اللي انت وضعته

الفرق .. هو انه ينفذه بشكل غير مرئي ويعطيك النتيجة النهائية للبحث

اللي تبحث عنه مو ثغرات امنيه .. انت تبحث عن ملفات خبيثه ( شيلات ) على سيرفرك

بشكل عام لحماية السيرفر امور كثيره ونقاط كثيره لابد تاخذها بالحسبان

لذلك انصحك بالبحث في قوقل من خلال " حماية واعداد سيرفرات لينوكس "

وفيه دورة راح تتطرق لهذي الامور بإذن الله ، موجودة بالموقع اللي في توقيعي ( مجانية )

تقدر تتابعها اذا حبّيت ...

بالتوفيق






التوقيع
كنتُ هنا يوماً ما ...
  #5  
قديم 07-02-2012, 07:58 PM
Excelyclateld Excelyclateld غير متصل
عضو
 
تاريخ التسجيل: Feb 2012
المدينة: United States
مشاركة: 3
مستوى تقييم العضوية: 0
Excelyclateld is on a distinguished road
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  #6  
قديم 07-02-2012, 10:01 PM
anarpontott anarpontott غير متصل
عضو
 
تاريخ التسجيل: Jan 2012
المدينة: United States
مشاركة: 3
مستوى تقييم العضوية: 0
anarpontott is on a distinguished road
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  #7  
قديم 23-02-2012, 09:19 AM
Excelyclateld Excelyclateld غير متصل
عضو
 
تاريخ التسجيل: Feb 2012
المدينة: United States
مشاركة: 3
مستوى تقييم العضوية: 0
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  #8  
قديم 25-02-2012, 11:45 AM
Excelyclateld Excelyclateld غير متصل
عضو
 
تاريخ التسجيل: Feb 2012
المدينة: United States
مشاركة: 3
مستوى تقييم العضوية: 0
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