7 l- K/ |9 I3 k+ x![image.png](data/attachment/forum/202203/31/013559bwl0r0lrgkpm8lrw.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/300 "image.png") @) U! _/ Z( z y8 Q4 m/ g3 L$ \# }4 e L2 o" l- }; h
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**返回dns记录如图:** $ I6 b Z$ }0 [% x6 M/ `) ]4 F/ m # W* T" C% R* e0 s0 P![image.png](data/attachment/forum/202203/31/013625ei2ea2ealisblpsb.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/300 "image.png")& W, r. a& n- z
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**发现当前用户权限为root** " O1 U) T. R' k% n- s : [8 J4 p. b" K! c' `, b7 u( W+ [**一、 / V1 F; ~2 w! B! r4 a9 o$ N P7 n** **通过漏洞组合getwebshell**3 M0 ^& L S8 }8 X
, e( B6 O' K% q6 g$ E** ** **文章就按照挖洞顺序往下写,紧接着执行pwd命令获取web路径,如图:**. p$ B: S9 A8 L! G/ G( ^, O
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![image.png](data/attachment/forum/202203/31/013656tl9z2765580yd7t8.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/300 "image.png")4 }) W% g% b: G8 s6 ~/ o8 E
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**得知网站路径为:/var/www/html/view/systemconfig/systemtool/**8 c) w/ x5 h4 y) G" g7 s" a- G
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$cmd .= & g; r7 z1 M; C T6 z s( H" " . base64_encode ( json_encode ( $param ) ); ) h+ x$ q- A: e( x0 ~ 2 s4 F4 w: J- L( P) L4 T ! l" g4 K% j* R' B 3 h2 C/ ?! I3 _/ K0 [, r% t! ~ [file_put_contents("/tmp/query_cmd",$cmd);]() . H- k# Y+ Z. e' u, j/ A $ `+ ?/ l0 g( }/ m, M4 s! t. l1 X 1 p) } f5 L8 l; p) u8 x% W3 L; T( P. J' n7 X8 h
exec ( $cmd . " , y2 \+ }* s% r: z9 `5 D> /dev/null &" ); 9 N9 Q0 B) d' c! G) w6 a7 t% v' W/ g$ E7 X& z) h& A6 E& s+ D
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; O# L( N( A, C4 J* n& ?; q% u} else { 9 _. Z5 l- l* w" m6 A& k* K {. z1 e: e. T- k* F) k: W
' B, k. m& ~7 W 0 D. k1 `: |+ v require_once9 i E. ^2 E }; p8 X/ f
($_SERVER ["DOCUMENT_ROOT"] . "system/behavior/behavior_Detail.php");/ u& g8 U; X% M