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。 * a; t0 {4 D) D" i- { 7 v; I3 m: R( N j: U' Q) B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。 3 j+ F2 |4 g# Z! N0 w1 C / m1 J2 }/ [2 K4 S- o1 @( I简单介绍一下这篇文章吧。0 j9 p D# u3 g( |: G7 q; x) G
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开启WP错误记录功能 . F E& _8 U, }! D只需要修改wp-config.php的如下几行： 1 N. T5 K4 A( c( x6 T( ^# w3 ^& J0 J9 F2 |3 {; j$ T D
@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" a( ?& u' W7 r g& N& N
, B$ @, r8 a& ?, Q) g1 B0 Q[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\' 4 F+ J* R7 u. G4 H$ F, K. O[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--$ V9 ^& a. a8 t
[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-- 2 q; v) [% [ n: H* M5 {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。 . A; o: T# x4 K$ A: k6 PSQL盲注扫描' I* b* u5 U0 X& t. R6 C% w2 C) W
攻击者使用了类似"waitfor delay"和"benchmark"这样的函数来盲注。 & l) }+ P) j6 W) z2 K. r* a) m' o5 _3 p- Y+ r6 ]
[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\'--4 O$ }! n! c6 s* \- z+ F" A# l& F
[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)$ D, I& M# S3 t) n# j" j7 P, G0 z
Google一下大规模扫描 , r3 a; U, g" z) h1 q 3 S6 u$ l# \) T1 x- K3 S) Q 3 H* |: S; E8 ?# I E [attach]163[/attach]" G9 E5 K" Y$ S3 V$ ^
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3 f1 v8 H/ I7 U* @ / d# \+ k* s' j2 w7 r1 a9 P: w( f 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；) t/ r' ~ m+ x: k4 A, I
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Cocoa总结：文章比较简单，但是从日志来检测攻击貌似是目前流行的一个方向。. E6 G7 S: j& E& ~: M/ V$ }7 U