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。 5 I. N9 s2 V% i( _ D \ ! I6 p$ `. \2 ]" N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。 4 W8 E6 x5 M( C' [- P - _) X( u/ n' e& E简单介绍一下这篇文章吧。 0 x1 S: @- M6 {* H5 C$ h v/ ~+ B: @
开启WP错误记录功能 + O9 [% J T A. j, ]只需要修改wp-config.php的如下几行：+ R K3 S) z ?. ^6 t$ m1 N& v+ W
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@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$ Z, u% w! x/ ^ i- B3 @, R
/ [$ p& _0 @& y/ X, P6 n3 D[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\' 3 D8 `; ?& ~# `4 a+ y[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--$ `- D; `% q% M" R/ L, w* T! L2 m
[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-- & @- D" @' ?$ p) T t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。 * F+ Z/ @, o Q& @0 }6 KSQL盲注扫描 3 a+ u: r6 x9 H: x) _5 e攻击者使用了类似"waitfor delay"和"benchmark"这样的函数来盲注。 3 E) j6 y2 o+ w3 T' @. q5 x 1 I( s/ k4 O; C. {) |! r/ f[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\'-- 2 E6 g8 O$ ?/ k7 t7 u7 u4 @[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)/ t% ? C& ^8 G' w
Google一下大规模扫描- e" H V/ @+ s% M1 Q* t
1 \& w/ u5 ]: G. r9 p: _/ E. L 0 b# Y! M& [7 V3 a9 c6 L6 v1 d/ U) R/ E* Y [attach]163[/attach] ) V$ k W' f Y; ~% R+ G" Z. d0 U- k' o) L: a4 q. Z8 B
6 T* Q t: Z$ s2 l+ V 9 Q/ d+ o$ j% 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； 1 r I9 i% }# a) F1 ^8 |/ E
! h Z; b, N: BCocoa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。, z- e4 Q7 a* g0 }. X