From 0cf185032d3969af3e64f8585d41795b8aebc150 Mon Sep 17 00:00:00 2001
From: Maxime Vorwerk <Maxime Vorwerk>
Date: Tue, 18 Jun 2024 17:04:26 +0200
Subject: [PATCH] Some Assembly Required 1

---
 some_assembly_required_1/G82XCw5CX3.js   |  44 ++++
 some_assembly_required_1/G82XCw5CX3.wasm | 261 +++++++++++++++++++++++
 2 files changed, 305 insertions(+)
 create mode 100644 some_assembly_required_1/G82XCw5CX3.js
 create mode 100644 some_assembly_required_1/G82XCw5CX3.wasm

diff --git a/some_assembly_required_1/G82XCw5CX3.js b/some_assembly_required_1/G82XCw5CX3.js
new file mode 100644
index 0000000..9492d02
--- /dev/null
+++ b/some_assembly_required_1/G82XCw5CX3.js
@@ -0,0 +1,44 @@
+const _0x402c=['value','2wfTpTR','instantiate','275341bEPcme','innerHTML','1195047NznhZg','1qfevql','input','1699808QuoWhA','Correct!','check_flag','Incorrect!','./JIFxzHyW8W','23SMpAuA','802698XOMSrr','charCodeAt','474547vVoGDO','getElementById','instance','copy_char','43591XxcWUl','504454llVtzW','arrayBuffer','2NIQmVj','result'];
+const _0x4e0e=function(_0x553839,_0x53c021){
+    _0x553839=_0x553839-0x1d6;
+    let _0x402c6f=_0x402c[_0x553839];
+    return _0x402c6f;
+};
+
+(function(_0x76dd13,_0x3dfcae){
+    const _0x371ac6=_0x4e0e;
+    while(!![]){
+        try{
+            const _0x478583=-parseInt(_0x371ac6(0x1eb))+parseInt(_0x371ac6(0x1ed))+-parseInt(_0x371ac6(0x1db))*-parseInt(_0x371ac6(0x1d9))+-parseInt(_0x371ac6(0x1e2))*-parseInt(_0x371ac6(0x1e3))+-parseInt(_0x371ac6(0x1de))*parseInt(_0x371ac6(0x1e0))+parseInt(_0x371ac6(0x1d8))*parseInt(_0x371ac6(0x1ea))+-parseInt(_0x371ac6(0x1e5));
+            if(_0x478583===_0x3dfcae)break;
+            else _0x76dd13['push'](_0x76dd13['shift']());
+        }
+        catch(_0x41d31a){
+            _0x76dd13['push'](_0x76dd13['shift']());
+        }
+    }
+}
+(_0x402c,0x994c3)
+);
+
+let exports;
+(async()=>{
+    const _0x48c3be=_0x4e0e;
+    let _0x5f0229=await fetch(_0x48c3be(0x1e9)),
+        _0x1d99e9=await WebAssembly[_0x48c3be(0x1df)](
+            await _0x5f0229[_0x48c3be(0x1da)]()
+        ),
+    _0x1f8628=_0x1d99e9[_0x48c3be(0x1d6)];
+    exports=_0x1f8628['exports'];
+})();
+
+function onButtonPress(){
+    const _0xa80748=_0x4e0e;
+    let _0x3761f8=document['getElementById'](_0xa80748(0x1e4))[_0xa80748(0x1dd)];
+    for(let _0x16c626=0x0;_0x16c626<_0x3761f8['length'];_0x16c626++){
+        exports[_0xa80748(0x1d7)](_0x3761f8[_0xa80748(0x1ec)](_0x16c626),_0x16c626);
+    }
+    exports['copy_char'](0x0,_0x3761f8['length']),
+    exports[_0xa80748(0x1e7)]()==0x1?document[_0xa80748(0x1ee)](_0xa80748(0x1dc))[_0xa80748(0x1e1)]=_0xa80748(0x1e6):document[_0xa80748(0x1ee)](_0xa80748(0x1dc))[_0xa80748(0x1e1)]=_0xa80748(0x1e8);
+}
+
diff --git a/some_assembly_required_1/G82XCw5CX3.wasm b/some_assembly_required_1/G82XCw5CX3.wasm
new file mode 100644
index 0000000..4c4a1ea
--- /dev/null
+++ b/some_assembly_required_1/G82XCw5CX3.wasm
@@ -0,0 +1,261 @@
+(module
+  (table $table0 1 1 funcref)
+  (memory $memory0 2)
+  (global $global0 (mut i32) (i32.const 66864))
+  (global $global1 i32 (i32.const 1072))
+  (global $global2 i32 (i32.const 1024))
+  (global $global3 i32 (i32.const 1328))
+  (global $global4 i32 (i32.const 1024))
+  (global $global5 i32 (i32.const 66864))
+  (global $global6 i32 (i32.const 0))
+  (global $global7 i32 (i32.const 1))
+  (export "memory" (memory $memory0))
+  (export "__wasm_call_ctors" (func $func0))
+  (export "strcmp" (func $func1))
+  (export "check_flag" (func $func2))
+  (export "input" (global $global1))
+  (export "copy_char" (func $func3))
+  (export "__dso_handle" (global $global2))
+  (export "__data_end" (global $global3))
+  (export "__global_base" (global $global4))
+  (export "__heap_base" (global $global5))
+  (export "__memory_base" (global $global6))
+  (export "__table_base" (global $global7))
+  (func $func0
+  )
+  (func $func1 (param $var0 i32) (param $var1 i32) (result i32)
+    (local $var2 i32) (local $var3 i32) (local $var4 i32) (local $var5 i32) (local $var6 i32) (local $var7 i32) (local $var8 i32) (local $var9 i32) (local $var10 i32) (local $var11 i32) (local $var12 i32) (local $var13 i32) (local $var14 i32) (local $var15 i32) (local $var16 i32) (local $var17 i32) (local $var18 i32) (local $var19 i32) (local $var20 i32) (local $var21 i32) (local $var22 i32) (local $var23 i32) (local $var24 i32) (local $var25 i32) (local $var26 i32) (local $var27 i32) (local $var28 i32) (local $var29 i32) (local $var30 i32) (local $var31 i32) (local $var32 i32) (local $var33 i32) (local $var34 i32) (local $var35 i32) (local $var36 i32) (local $var37 i32) (local $var38 i32) (local $var39 i32) (local $var40 i32) (local $var41 i32) (local $var42 i32) (local $var43 i32)
+    global.get $global0
+    local.set $var2
+    i32.const 32
+    local.set $var3
+    local.get $var2
+    local.get $var3
+    i32.sub
+    local.set $var4
+    local.get $var4
+    local.get $var0
+    i32.store offset=24
+    local.get $var4
+    local.get $var1
+    i32.store offset=20
+    local.get $var4
+    i32.load offset=24
+    local.set $var5
+    local.get $var4
+    local.get $var5
+    i32.store offset=16
+    local.get $var4
+    i32.load offset=20
+    local.set $var6
+    local.get $var4
+    local.get $var6
+    i32.store offset=12
+    block $label1
+      loop $label2
+        local.get $var4
+        i32.load offset=16
+        local.set $var7
+        i32.const 1
+        local.set $var8
+        local.get $var7
+        local.get $var8
+        i32.add
+        local.set $var9
+        local.get $var4
+        local.get $var9
+        i32.store offset=16
+        local.get $var7
+        i32.load8_u
+        local.set $var10
+        local.get $var4
+        local.get $var10
+        i32.store8 offset=11
+        local.get $var4
+        i32.load offset=12
+        local.set $var11
+        i32.const 1
+        local.set $var12
+        local.get $var11
+        local.get $var12
+        i32.add
+        local.set $var13
+        local.get $var4
+        local.get $var13
+        i32.store offset=12
+        local.get $var11
+        i32.load8_u
+        local.set $var14
+        local.get $var4
+        local.get $var14
+        i32.store8 offset=10
+        local.get $var4
+        i32.load8_u offset=11
+        local.set $var15
+        i32.const 255
+        local.set $var16
+        local.get $var15
+        local.get $var16
+        i32.and
+        local.set $var17
+        block $label0
+          local.get $var17
+          br_if $label0
+          local.get $var4
+          i32.load8_u offset=11
+          local.set $var18
+          i32.const 255
+          local.set $var19
+          local.get $var18
+          local.get $var19
+          i32.and
+          local.set $var20
+          local.get $var4
+          i32.load8_u offset=10
+          local.set $var21
+          i32.const 255
+          local.set $var22
+          local.get $var21
+          local.get $var22
+          i32.and
+          local.set $var23
+          local.get $var20
+          local.get $var23
+          i32.sub
+          local.set $var24
+          local.get $var4
+          local.get $var24
+          i32.store offset=28
+          br $label1
+        end $label0
+        local.get $var4
+        i32.load8_u offset=11
+        local.set $var25
+        i32.const 255
+        local.set $var26
+        local.get $var25
+        local.get $var26
+        i32.and
+        local.set $var27
+        local.get $var4
+        i32.load8_u offset=10
+        local.set $var28
+        i32.const 255
+        local.set $var29
+        local.get $var28
+        local.get $var29
+        i32.and
+        local.set $var30
+        local.get $var27
+        local.set $var31
+        local.get $var30
+        local.set $var32
+        local.get $var31
+        local.get $var32
+        i32.eq
+        local.set $var33
+        i32.const 1
+        local.set $var34
+        local.get $var33
+        local.get $var34
+        i32.and
+        local.set $var35
+        local.get $var35
+        br_if $label2
+      end $label2
+      local.get $var4
+      i32.load8_u offset=11
+      local.set $var36
+      i32.const 255
+      local.set $var37
+      local.get $var36
+      local.get $var37
+      i32.and
+      local.set $var38
+      local.get $var4
+      i32.load8_u offset=10
+      local.set $var39
+      i32.const 255
+      local.set $var40
+      local.get $var39
+      local.get $var40
+      i32.and
+      local.set $var41
+      local.get $var38
+      local.get $var41
+      i32.sub
+      local.set $var42
+      local.get $var4
+      local.get $var42
+      i32.store offset=28
+    end $label1
+    local.get $var4
+    i32.load offset=28
+    local.set $var43
+    local.get $var43
+    return
+  )
+  (func $func2 (result i32)
+    (local $var0 i32) (local $var1 i32) (local $var2 i32) (local $var3 i32) (local $var4 i32) (local $var5 i32) (local $var6 i32) (local $var7 i32) (local $var8 i32) (local $var9 i32) (local $var10 i32)
+    i32.const 0
+    local.set $var0
+    i32.const 1072
+    local.set $var1
+    i32.const 1024
+    local.set $var2
+    local.get $var2
+    local.get $var1
+    call $func1
+    local.set $var3
+    local.get $var3
+    local.set $var4
+    local.get $var0
+    local.set $var5
+    local.get $var4
+    local.get $var5
+    i32.ne
+    local.set $var6
+    i32.const -1
+    local.set $var7
+    local.get $var6
+    local.get $var7
+    i32.xor
+    local.set $var8
+    i32.const 1
+    local.set $var9
+    local.get $var8
+    local.get $var9
+    i32.and
+    local.set $var10
+    local.get $var10
+    return
+  )
+  (func $func3 (param $var0 i32) (param $var1 i32)
+    (local $var2 i32) (local $var3 i32) (local $var4 i32) (local $var5 i32) (local $var6 i32)
+    global.get $global0
+    local.set $var2
+    i32.const 16
+    local.set $var3
+    local.get $var2
+    local.get $var3
+    i32.sub
+    local.set $var4
+    local.get $var4
+    local.get $var0
+    i32.store offset=12
+    local.get $var4
+    local.get $var1
+    i32.store offset=8
+    local.get $var4
+    i32.load offset=12
+    local.set $var5
+    local.get $var4
+    i32.load offset=8
+    local.set $var6
+    local.get $var6
+    local.get $var5
+    i32.store8 offset=1072
+    return
+  )
+  (data (i32.const 1024) "picoCTF{d88090e679c48f3945fcaa6a7d6d70c5}\00\00")
+)