这篇文章介绍了当WordPress开启错误记录以后，根据error_log来发现SQL注入攻击的思路。8 [" I2 z H+ F9 {8 K6 w. U
* R0 ]9 V4 h2 }; w$ u* m吸引Cocoa的是这个博客其实是TrustWave公司下属的一个叫Spiderlab团队的官方博客，貌似比较有意思。例如它提到了Honeypot Alert这个标签里的文章都是分析他们一个Web蜜罐的Apache access_log日志的。* \7 L8 L, H I: @* H) _" S
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简单介绍一下这篇文章吧。 * A2 ] ]/ `; ~" \# \! G 2 F! I+ l, b* f# a: l& d开启WP错误记录功能 2 K3 E, e; H9 i4 p只需要修改wp-config.php的如下几行： * u. i! d0 Z( Q; x0 c# I: o: ^4 S4 }
@ini_set('log_errors','On'); @ini_set('display_errors','Off'); @ini_set('error_log','/home/example.com/logs/php_error.log');SQL 注入扫描 . t; H/ g) ^3 q( P$ \9 H! W0 h% o- ]: Y. t/ M: N
[07-Dec-2012 02:40:49] WordPress database error You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'WHERE id = -1\'' at line 1 for query SELECT text, author_id, date FROM WHERE id = -1\'+ }! j! U- U) a3 o, S% x
[07-Dec-2012 02:40:50] WordPress database error You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'WHERE id = 999999.9 UNION ALL SELECT 0x31303235343830303536--' at line 1 for query SELECT text, author_id, date FROM WHERE id = 999999.9 UNION ALL SELECT 0x31303235343830303536--: p. W: J9 I" m q% B: D
[07-Dec-2012 02:40:53] WordPress database error You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'WHERE id = 999999.9 UNION ALL SELECT 0x31303235343830303536,0x313032353438303035' at line 1 for query SELECT text, author_id, date FROM WHERE id = 999999.9 UNION ALL SELECT 0x31303235343830303536,0x31303235343830303536--1 D9 W2 e: a% A2 Q+ A) i! o- Q
上面的日志就是在暴力猜解表的列数，那个巨大的十六进制值会被解析成null。 * F6 F& o3 ?6 a. q$ }6 ASQL盲注扫描% a W6 j* u2 r8 m
攻击者使用了类似"waitfor delay"和"benchmark"这样的函数来盲注。8 L) }5 b$ ], a( B
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[07-Dec-2012 02:43:21] WordPress database error You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'WHERE id = -1; if (1=1) waitfor delay \'00:00:05\'--' at line 1 for query SELECT text, author_id, date FROM WHERE id = -1; if (1=1) waitfor delay \'00:00:05\'--" q5 b% Z% T/ Z; y! R; U
[07-Dec-2012 02:43:27] WordPress database error You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'WHERE id = -1 and if(1=1,BENCHMARK(8623333,MD5(0x41)),0)' at line 1 for query SELECT text, author_id, date FROM WHERE id = -1 and if(1=1,BENCHMARK(8623333,MD5(0x41)),0) * S$ Q2 u. G" h! T, O! LGoogle一下大规模扫描2 N* X @& k) e( {
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2 q& U1 o! x, T/ [" z e ( U. W- s+ S+ ~ 僵尸网络控制着可能使用被感染主机来识别潜在的目标。下面是该公司的蜜罐捕获到的一个RFI（远程文件包含）攻击代码里的片段：
sub google() { my @list; my $key = $_[0]; for (my $i=0; $i<=400; $i+=10){ my $search = ("http://www.google.com/search?q=".&key($key)."&num=100&filter=0&start=".$i); my $res = &search_engine_query($search); while ($res =~ m/<a href="\"?http:\/\/([^">\"]*)\//g) { if ($1 !~ /google/){ my $link = $1; my @grep = &links($link); push(@list,@grep); } } } return @list；2 m* W& @ \' u