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2011-10-31 07:58 |
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签到天数: 10 天 [LV.3]偶尔看看II
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通达的php并不是都能通过dezend还原成源代码，但却可以还原成opcode，如utility_all.php就不能正常还原，你若能读懂下面的opcode代码，就没有任何问题了，并可以据此手工还原出php代码，高手必看！
反编译utility_all.php时，就是在以下函数第60行出现异常的，看不懂的抽空教大家。
function netMatch( )
{
0 RECV [-] 0[1] $network - 1 -
1 RECV [-] 0[1] $ip - 2 -
2 USER_OPCODE [-] 0[0] =trim( ... )
3 SEND_VAR [-] 61[0] - $network -
4 DO_FCALL_BY_NAME [-] 1[0] $Var_24 - -
5 ASSIGN [-] 0[1] $Var_48 - $network - $Var_24
6 USER_OPCODE [-] 0[0] =trim( ... )
7 SEND_VAR [-] 61[0] - $ip -
8 DO_FCALL_BY_NAME [-] 1[0] $Var_24 - -
9 ASSIGN [-] 0[1] $Var_48 - $ip - $Var_24
10 USER_OPCODE [-] 0[0] =strpos( ... )
11 SEND_VAR [-] 61[0] - $network -
12 SEND_VAL [-] 61[0] - "-" -
13 DO_FCALL_BY_NAME [-] 2[0] $Var_24 - -
14 ASSIGN [-] 0[1] $Var_48 - $d - $Var_24
15 IS_IDENTICAL [-] 0[0] $Tmp_1 - $d - FALSE
16 JMPZ [-] 0[0] - $Tmp_1->62
17 USER_OPCODE [-] 0[0] =explode( ... )
18 SEND_VAL [-] 61[0] - "%2F" -
19 SEND_VAR [-] 61[0] - $network -
20 DO_FCALL_BY_NAME [-] 2[0] $Var_24 - -
21 ASSIGN [-] 0[1] $Var_48 - $ip_arr - $Var_24
22 USER_OPCODE [-] 0[0] =preg_match( ... )
23 SEND_VAL [-] 61[0] - "%40%5Cd%2A%5C.%5Cd%2A%5C.%5Cd%2A%5C.%5Cd%2A%40" -
24 FETCH_DIM_FUNC_ARG [-] 2[0] $Var_24 - $ip_arr - 0
25 SEND_VAR [-] 61[0] - $Var_24 -
26 SEND_VAR [-] 61[0] - $matches -
27 DO_FCALL_BY_NAME [-] 3[0] $Var_24 - -
28 JMPNZ [-] 0[0] - $Var_24->31
29 ASSIGN_CONCAT [-] 147[1] $Var_24 - $ip_arr - 0
30 OP_DATA [-] 0[0] [0]".0" - $Var_0
31 USER_OPCODE [-] 0[0] =ip2long( ... )
32 FETCH_DIM_FUNC_ARG [-] 1[0] $Var_0 - $ip_arr - 0
33 SEND_VAR [-] 61[0] - $Var_0 -
34 DO_FCALL_BY_NAME [-] 1[0] $Var_0 - -
35 ASSIGN [-] 0[1] $Var_24 - $network_long - $Var_0
36 USER_OPCODE [-] 0[0] =ip2long( ... )
37 FETCH_DIM_FUNC_ARG [-] 1[0] $Var_0 - $ip_arr - 1
38 SEND_VAR [-] 61[0] - $Var_0 -
39 DO_FCALL_BY_NAME [-] 1[0] $Var_0 - -
40 ASSIGN [-] 0[1] $Var_24 - $x - $Var_0
41 USER_OPCODE [-] 0[0] =long2ip( ... )
42 SEND_VAR [-] 61[0] - $x -
43 DO_FCALL_BY_NAME [-] 1[0] $Var_24 - -
44 FETCH_DIM_R [-] 0[0] $Var_48 - $ip_arr - 1
45 IS_EQUAL [-] 0[0] $Tmp_0 - $Var_24 - $Var_48
46 JMPZ [-] 0[0] - $Tmp_0->49
47 QM_ASSIGN [-] 0[0] $Tmp_0 - $x -
48 JMP [-] 0[0] - ->53 -
49 FETCH_DIM_R [-] 0[0] $Var_24 - $ip_arr - 1
50 SUB [-] 0[0] $Tmp_2 - 32 - $Var_24
51 SL [-] 0[0] $Tmp_1 - -1 - $Tmp_2
52 QM_ASSIGN [-] 0[0] $Tmp_0 - $Tmp_1 -
53 ASSIGN [-] 0[1] $Var_24 - $mask - $Tmp_0
54 USER_OPCODE [-] 0[0] =ip2long( ... )
55 SEND_VAR [-] 61[0] - $ip -
56 DO_FCALL_BY_NAME [-] 1[0] $Var_0 - -
57 ASSIGN [-] 0[1] $Var_24 - $ip_long - $Var_0
58 BW_AND [-] 0[0] $Tmp_1 - $ip_long - $mask
59 BW_AND [-] 0[0] $Tmp_2 - $network_long - $mask
60 IS_EQUAL [-] 0[0] $Tmp_0 - $Tmp_1 - $Tmp_2
61 RETURN [-] 0[0] - $Tmp_0 -
62 USER_OPCODE [-] 0[0] =ip2long( ... )
63 USER_OPCODE [-] 0[0] =trim( ... )
64 USER_OPCODE [-] 0[0] =substr( ... )
65 SEND_VAR [-] 61[0] - $network -
66 SEND_VAL [-] 61[0] - 0 -
67 SEND_VAR [-] 61[0] - $d -
68 DO_FCALL_BY_NAME [-] 3[0] $Var_0 - -
69 SEND_VAR_NO_REF [-] 4[0] - $Var_0 -
70 DO_FCALL_BY_NAME [-] 1[0] $Var_0 - -
71 SEND_VAR_NO_REF [-] 4[0] - $Var_0 -
72 DO_FCALL_BY_NAME [-] 1[0] $Var_0 - -
73 ASSIGN [-] 0[1] $Var_24 - $from - $Var_0
74 USER_OPCODE [-] 0[0] =ip2long( ... )
75 USER_OPCODE [-] 0[0] =trim( ... )
76 USER_OPCODE [-] 0[0] =substr( ... )
77 SEND_VAR [-] 61[0] - $network -
78 ADD [-] 0[0] $Tmp_0 - $d - 1
79 SEND_VAL [-] 61[0] - $Tmp_0 -
80 DO_FCALL_BY_NAME [-] 2[0] $Var_0 - -
81 SEND_VAR_NO_REF [-] 4[0] - $Var_0 -
82 DO_FCALL_BY_NAME [-] 1[0] $Var_0 - -
83 SEND_VAR_NO_REF [-] 4[0] - $Var_0 -
84 DO_FCALL_BY_NAME [-] 1[0] $Var_0 - -
85 ASSIGN [-] 0[1] $Var_24 - $to - $Var_0
86 USER_OPCODE [-] 0[0] =ip2long( ... )
87 SEND_VAR [-] 61[0] - $ip -
88 DO_FCALL_BY_NAME [-] 1[0] $Var_0 - -
89 ASSIGN [-] 0[1] $Var_24 - $ip - $Var_0
90 IS_SMALLER_OR_EQUAL [-] 0[0] $Tmp_0 - $from - $ip
91 JMPZ_EX [-] 0[0] $Tmp_0 - $Tmp_0->93
92 IS_SMALLER_OR_EQUAL [-] 0[0] $Tmp_0 - $ip - $to
93 RETURN [-] 0[0] - $Tmp_0 -
94 HANDLE_EXCEPTION [-] 200[0] - - -
}
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发表于 2011-9-18 11:01:14
