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#1375 Decompiling fails

Author: froheweihnachten

Date created:

Type: bug

Visibility: Everybody

Assigned to:

Labels: AS3FlashCC

State: invalid

> What steps will reproduce the problem?
Jpexs decompiling from Player_z.swf shows this code in
CPlayer\CNetStream\Cipher_2F_var_2F_folders_2F_j7_2F_9yz9hcgs0jvdqrk4mkgnw0f40000gn_2F_T_2
F__2F_ccXwT37L_2E_lto_2E_bc_3A_F275C933_2D_7CE9_2D_4225_2D_93C3_2D_95ED136BA0BB\F_ycalc.as
$loc5_ = int($loc25_ + 10);
$loc5_ = int($loc25_ * 25);
$loc4_ = int($loc5_ + int($loc5_ * $loc16_));
$loc20_ = int($loc25_ + 2);
$loc26_ = $loc25_ << 1;
$loc20_ = int($loc26_ + int($loc20_ * $loc35_));
$loc20_ = int($loc20_ + -3);
$loc26_ = int(-4 - ($loc35_ << 2));
$loc20_ = int($loc26_ + int($loc25_ * (int($loc35_ + 3))));
$loc5_ = int(uint($loc5_) / 3);
$loc5_ = int($loc5_ + 26);
$loc4_ = int(uint($loc25_) / 9);
$loc24_ = int((int(int($loc20_ + int($loc20_ * (int($loc4_ + -4)))) + int($loc5_ *
$loc16_))) * (int($loc4_ + 2))) % (int($loc25_ + 4));
$loc25_ = 26;
$loc33_ = $loc31_;
> What is the expected output? What do you see instead?
Expected is (i have simplified it but the relevant is the way calculation is made, look at
loc5_1,loc5,loc4_1,loc4 and loc20_1,loc20)
$loc5_1= $loc25_ +10
$loc5_ = $loc25_ * 25;
$loc4_ = $loc5_ + $loc5_1 * $loc16_;
$loc20_1 = ($loc25_ << 1) + (($loc25_ + 2) * $loc35_) + -3;
$loc26_ = -4 - ($loc35_ << 2);
$loc20_ = $loc26_ + $loc25_ * ($loc35_ + 3);
$loc5_ = ($loc5_ / 3) + 26;
$loc4_1 = ($loc25_ / 9);
$loc24_ = (($loc20_ + $loc20_1 * ($loc4_ + -4) + $loc5_ * $loc16_) * ($loc4_1 + 2)) %
($loc25_ + 4);
$loc25_ = 26;
$loc33_ = $loc31_;
> What version of the product are you using? Is it "nightly build"? Which operating system
do you have?
version 10.0.0
> Please provide any additional information below. If the problem is related to a SWF
file, attach it here, otherwise we can't help you.
this is the related rabcdasm decompilation
L1333:
label
getlocal 25
pushbyte 10
add
convert_i
dup
setlocal 5
getlocal 16
multiply
convert_i
getlocal 25
pushbyte 25
multiply
convert_i
dup
setlocal 5
swap
add
convert_i
dup
setlocal 4
pushbyte 252
add
convert_i
getlocal 25
pushbyte 2
add
convert_i
dup
setlocal 20
getlocal 35
multiply
convert_i
getlocal 25
pushbyte 1
lshift
dup
setlocal 26
swap
add
convert_i
dup
setlocal 20
pushbyte 253
add
convert_i
dup
setlocal 20
swap
multiply
convert_i
getlocal 35
pushbyte 3
add
convert_i
getlocal 25
swap
multiply
convert_i
getlocal 35
pushbyte 2
lshift
pushbyte 252
swap
subtract
convert_i
dup
setlocal 26
swap
add
convert_i
dup
setlocal 20
swap
add
convert_i
getlocal 5
convert_u
pushbyte 3
divide
convert_i
dup
setlocal 5
pushbyte 26
add
convert_i
dup
setlocal 5
getlocal 16
multiply
convert_i
add
convert_i
getlocal 25
convert_u
pushbyte 9
divide
convert_i
dup
setlocal 4
pushbyte 2
add
convert_i
multiply
convert_i
getlocal 25
pushbyte 4
add
convert_i
modulo
convert_i
setlocal 24
pushbyte 26
setlocal 25
getlocal 31
setlocal 33
jump L153

Cannot find Player_z.swf thus cannot reproduce.
According to description, it looks like FlashCC or similar package, which cannot be
properly decompiled in FFDec.

**State:**new→invalid