Function at 0x451c30
Capabilities:
Parse credit card information
Query environment variable

Disassembly:
push 0xffffffffffffffff
push 0x4e5db0
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x70
push ebx
push ebp
push esi
push edi
mov esi, ecx
push 0x5194ec
mov dword [esp + 0x20], esi
mov dword [esp + 0x38], 0x5194ec
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
mov ebp, dword [esp + 0x98]
mov al, byte [esp + 0x9c]
mov cl, byte [esi + 0xb]
xor edi, edi
cmp ebp, edi
setl dl
and cl, 0x11
and al, 0x40
test dl, dl
mov dword [esp + 0x88], edi
mov byte [esp + 0x13], dl
mov byte [esp + 0x12], cl
jne 0x451c99
test al, al
je 0x451c9e
mov byte [esp + 0x12], 0
mov bl, byte [esp + 0x9c]
and bl, 1
push 0xa2
mov byte [esp + 0xa0], bl
mov dword [esp + 0x30], 0x50
call fcn.00445f00
add esp, 4
cmp eax, edi
mov dword [esp + 0x20], eax
je 0x451ccf
mov word [eax], di
cmp ebp, 0x400
mov esi, dword [esp + 0x94]
mov byte [esp + 0x88], 1
jge 0x451d08
mov eax, dword [esi]
push eax
mov eax, 0x802
mov ebp, 0x400
call fcn.00445f60
add esp, 4
cmp eax, edi
mov dword [esi], eax
je 0x451d08
mov word [eax + 0x800], di
mov edi, dword [esi]
lea ecx, [edi + ebp*2 - 2]
mov dword [esp + 0x14], ecx
mov esi, edi
mov eax, dword [esp + 0x14]
cmp esi, eax
jae 0x452464
mov ebx, dword [esp + 0x90]
cmp word [ebx], 0
je 0x452464
add eax, 0xfffff81c
mov edx, esi
sub edx, eax
test edx, 0xfffffffe
jl 0x451d89
mov ecx, dword [esp + 0x94]
mov edx, dword [ecx]
add ebp, 0x400
sub esi, edi
lea eax, [ebp + ebp + 2]
push edx
sar esi, 1
call fcn.00445f60
mov ecx, dword [esp + 0x98]
add esp, 4
test eax, eax
mov dword [ecx], eax
je 0x451d75
mov word [eax + ebp*2], 0
mov edx, dword [esp + 0x94]
mov edi, dword [edx]
lea eax, [edi + ebp*2 - 2]
mov dword [esp + 0x14], eax
lea esi, [edi + esi*2]
cmp word [ebx], 0x25
je 0x451dc2
mov ecx, 0x3dd
mov ax, word [ebx]
test ax, ax
je 0x451d14
cmp ax, 0x25
je 0x451d14
mov word [esi], ax
add ebx, 2
add esi, 2
dec ecx
mov dword [esp + 0x90], ebx
jns 0x451d94
jmp 0x451d14
mov al, byte [esp + 0x9c]
test al, al
mov dword [esp + 0x18], ebx
je 0x4520a4
mov cx, word [ebx + 2]
cmp cx, 0x25
jne 0x451df4
mov word [esi], cx
add esi, 2
add ebx, 4
mov dword [esp + 0x90], ebx
jmp 0x451d14
cmp cx, 0x23
jne 0x451e3e
mov ecx, dword [esp + 0x1c]
mov eax, dword [ecx + 0x38]
add ebx, 4
test eax, eax
mov dword [esp + 0x90], ebx
je 0x451d14
mov ecx, dword [ecx + 0x34]
mov ecx, dword [eax + ecx*4 + 8]
mov ax, word [ecx]
test ax, ax
je 0x451d14
mov word [esi], ax
add ecx, 2
xor eax, eax
mov ax, word [ecx]
add esi, 2
test ax, ax
jne 0x451e26
jmp 0x451d14
cmp cx, 0x2a
jne 0x451ed4
mov ecx, dword [esp + 0x1c]
mov eax, dword [ecx + 0x38]
add ebx, 4
test eax, eax
mov dword [esp + 0x90], ebx
je 0x451d14
mov edx, dword [ecx + 0x34]
mov eax, dword [eax + edx*4]
push eax
call dword [sym.imp.KERNEL32.dll_lstrlenW]
mov ecx, dword [esp + 0x14]
mov ebx, eax
lea eax, [ebx + ebx + 4]
sub eax, ecx
add eax, esi
test eax, 0xfffffffe
jl 0x451ea7
sub esi, edi
mov edi, dword [esp + 0x94]
lea ebp, [ebx + ebp + 0x10]
push ebp
mov ecx, edi
sar esi, 1
call fcn.004462b0
mov edi, dword [edi]
lea ecx, [edi + ebp*2 - 2]
mov dword [esp + 0x14], ecx
lea esi, [edi + esi*2]
dec ebx
mov eax, dword [esp + 0x1c]
mov edx, dword [eax + 0x34]
mov eax, dword [eax + 0x38]
mov eax, dword [eax + edx*4]
js 0x451d14
lea ecx, [ebx + 1]
mov edi, edi
mov dx, word [eax]
mov word [esi], dx
add esi, 2
add eax, 2
dec ecx
jne 0x451ec0
jmp 0x451d14
cmp cx, 0x40
jne 0x451f6b
mov ecx, dword [esp + 0x1c]
mov eax, dword [ecx + 0x38]
add ebx, 4
test eax, eax
mov dword [esp + 0x90], ebx
je 0x451d14
mov ecx, dword [ecx + 0x34]
mov eax, dword [eax + ecx*4 + 4]
push eax
call dword [sym.imp.KERNEL32.dll_lstrlenW]
mov ebx, eax
mov eax, dword [esp + 0x14]
lea edx, [ebx + ebx + 4]
sub edx, eax
add edx, esi
test edx, 0xfffffffe
jl 0x451f3f
sub esi, edi
mov edi, dword [esp + 0x94]
lea ebp, [ebx + ebp + 0x10]
push ebp
mov ecx, edi
sar esi, 1
call fcn.004462b0
mov edi, dword [edi]
lea eax, [edi + ebp*2 - 2]
mov dword [esp + 0x14], eax
lea esi, [edi + esi*2]
dec ebx
mov eax, dword [esp + 0x1c]
mov ecx, dword [eax + 0x34]
mov edx, dword [eax + 0x38]
mov eax, dword [edx + ecx*4 + 4]
js 0x451d14
lea ecx, [ebx + 1]
mov dx, word [eax]
mov word [esi], dx
add esi, 2
add eax, 2
dec ecx
jne 0x451f57
jmp 0x451d14
mov eax, ecx
call fcn.00445b20
test al, al
jne 0x451f91
cmp cx, 0x7e
jb 0x4520a4
mov ax, word [ebx + 4]
call fcn.00445b20
test al, al
je 0x4520a4
xor eax, eax
cmp cx, 0x7e
mov dword [esp + 0x24], eax
jb 0x451fa8
mov dword [esp + 0x24], 0x25
add ebx, 2
add ebx, 2
xor ecx, ecx
mov dword [esp + 0x90], ebx
mov bx, word [ebx]
cmp bx, 0x30
mov dword [esp + 0x3c], eax
jb 0x451ff8
cmp bx, 0x39
ja 0x451ff8
push 0
push 0xa
push eax
push ecx
call fcn.004b08b0
mov ecx, eax
mov eax, edx
mov dword [esp + 0x30], eax
movzx eax, bx
mov ebx, dword [esp + 0x90]
cdq
add ecx, eax
mov eax, dword [esp + 0x30]
adc eax, edx
add ecx, 0xffffffd0
adc eax, 0xffffffff
add ebx, 2
jmp 0x451fad
mov ebx, dword [esp + 0x1c]
mov eax, dword [ebx + 0x34]
cdq
cmp dword [esp + 0x3c], edx
ja 0x451d14
jb 0x452014
cmp ecx, eax
jae 0x451d14
mov eax, dword [ebx + 0x38]
test eax, eax
je 0x451d14
mov ebx, dword [eax + ecx*4]
push ebx
call dword [sym.imp.KERNEL32.dll_lstrlenW]
mov ecx, dword [esp + 0x24]
test ecx, ecx
mov dword [esp + 0x18], eax
je 0x45204c
cmp word [ebx], 0x22
jne 0x45204c
cmp word [ebx + eax*2 - 2], 0x22
jne 0x452044
dec eax
dec eax
mov dword [esp + 0x18], eax
add ebx, 2
mov ecx, dword [esp + 0x14]
lea edx, [eax + eax + 4]
sub edx, ecx
add edx, esi
test edx, 0xfffffffe
jl 0x452088
sub esi, edi
mov edi, dword [esp + 0x94]
lea ebp, [eax + ebp + 0x10]
push ebp
mov ecx, edi
sar esi, 1
call fcn.004462b0
mov edi, dword [edi]
lea eax, [edi + ebp*2 - 2]
mov dword [esp + 0x14], eax
mov eax, dword [esp + 0x18]
lea esi, [edi + esi*2]
dec eax
js 0x451d14
inc eax
mov cx, word [ebx]
mov word [esi], cx
add esi, 2
add ebx, 2
dec eax
jne 0x452090
jmp 0x451d14
push 8
push str._RANDOM_
push ebx
call dword [sym.imp.SHLWAPI.dll_StrCmpNIW]
test eax, eax
jne 0x452184
add ebx, 0x10
mov dword [esp + 0x90], ebx
mov word [esp + 0x40], ax
call fcn.00441790
and edx, 0x7fffffff
push edx
push eax
push str._I64u
lea edx, [esp + 0x4c]
push 0x28
push edx
call fcn.004c1f3f
mov ebx, dword [sym.imp.KERNEL32.dll_lstrlenW]
add esp, 0x14
lea eax, [esp + 0x40]
push eax
call ebx
lea ecx, [esp + 0x40]
push ecx
mov word [esp + 0x82], 0
call ebx
mov ebx, eax
cmp ebx, 1
jge 0x452111
xor ebx, ebx
mov eax, dword [esp + 0x14]
lea edx, [ebx + ebx + 4]
sub edx, eax
add edx, esi
test edx, 0xfffffffe
jl 0x45215c
sub esi, edi
mov edi, dword [esp + 0x94]
mov ecx, dword [edi]
lea ebp, [ebx + ebp + 0x10]
lea eax, [ebp + ebp + 2]
push ecx
sar esi, 1
call fcn.00445f60
add esp, 4
test eax, eax
mov dword [edi], eax
je 0x45214f
mov word [eax + ebp*2], 0
mov edi, dword [edi]
lea edx, [edi + ebp*2 - 2]
mov dword [esp + 0x14], edx
lea esi, [edi + esi*2]
dec ebx
lea eax, [esp + 0x40]
js 0x451d14
lea ecx, [ebx + 1]
lea ebx, [ebx]
mov dx, word [eax]
mov word [esi], dx
add esi, 2
add eax, 2
dec ecx
jne 0x452170
jmp 0x451d14
mov cx, word [ebx + 2]
test cx, cx
lea eax, [ebx + 2]
mov dword [esp + 0x28], eax
mov dword [esp + 0x90], eax
je 0x4521d1
jmp 0x4521a0
cmp cx, 0x25
je 0x4521ca
cmp cx, 0x3d
je 0x4521ca
cmp cx, 9
jb 0x4521b8
cmp cx, 0xd
jbe 0x4521ca
cmp cx, 0x20
je 0x4521ca
mov cx, word [eax + 2]
add eax, 2
test cx, cx
jne 0x4521a0
mov dword [esp + 0x90], eax
mov ecx, dword [esp + 0x18]
movsx edx, byte [esp + 0x12]
mov ebx, eax
sub ebx, ecx
sar ebx, 1
cmp word [eax], 0x25
mov dword [esp + 0x24], eax
mov byte [esp + 0x11], 0
mov dword [esp + 0x30], edx
je 0x45224a
mov edx, dword [esp + 0x14]
lea eax, [ebx + ebx + 4]
sub eax, edx
add eax, esi
test eax, 0xfffffffe
jl 0x45222e
sub esi, edi
mov edi, dword [esp + 0x94]
lea ebp, [ebx + ebp + 0x10]
push ebp
mov ecx, edi
sar esi, 1
call fcn.004462b0
mov edi, dword [edi]
lea ecx, [edi + ebp*2 - 2]
mov dword [esp + 0x14], ecx
mov ecx, dword [esp + 0x18]
lea esi, [edi + esi*2]
dec ebx
js 0x451d14
inc ebx
mov dx, word [ecx]
mov word [esi], dx
add esi, 2
add ecx, 2
dec ebx
jne 0x452236
jmp 0x451d14
mov cl, byte [esp + 0x13]
test cl, cl
mov ecx, dword [esp + 0x28]
jne 0x45229d
mov dx, word [ecx]
cmp dx, 0x26
je 0x45226d
mov bl, byte [esp + 0x12]
test bl, bl
je 0x45229d
cmp dx, 0x5e
je 0x45229d
add eax, 2
cmp word [ecx], 0x26
mov dword [esp + 0x18], ecx
mov dword [esp + 0x90], eax
mov dword [esp + 0x28], ecx
jne 0x45234c
add ecx, 2
mov dword [esp + 0x18], ecx
mov dword [esp + 0x30], 1
jmp 0x45234c
add eax, 2
cmp word [ecx], 0x5e
mov dword [esp + 0x18], ecx
mov dword [esp + 0x90], eax
jne 0x4522bd
add ecx, 2
mov dword [esp + 0x18], ecx
mov byte [esp + 0x11], 8
mov dword [esp + 0x28], ecx
mov edx, dword [esp + 0x2c]
mov eax, dword [esp + 0x20]
mov ecx, dword [esp + 0x24]
push edx
mov word [eax], 0
push eax
mov eax, dword [esp + 0x20]
push eax
mov word [ecx], 0
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableW]
mov ebx, eax
test ebx, ebx
jle 0x452318
mov ecx, dword [esp + 0x20]
cmp word [ecx], 0
jne 0x452318
add ebx, 0x64
push ebx
lea ecx, [esp + 0x24]
mov dword [esp + 0x30], ebx
call fcn.004462b0
mov edx, dword [esp + 0x20]
mov eax, dword [esp + 0x18]
push ebx
push edx
push eax
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableW]
mov ebx, eax
mov ecx, dword [esp + 0x24]
mov eax, dword [esp + 0x20]
mov word [ecx], 0x25
cmp word [eax], 0
jne 0x4523fe
mov al, byte [esp + 0x11]
test al, al
jne 0x451d14
mov al, byte [esp + 0x13]
test al, al
mov byte [esp + 0x11], 1
jne 0x451d14
mov edx, dword [esp + 0x28]
mov ebx, dword [esp + 0x24]
mov ecx, dword [esp + 0x1c]
push 0xffffffffffffffff
push 0
push edx
mov word [ebx], 0
call fcn.00422a90
test eax, eax
mov word [ebx], 0x25
jne 0x452392
mov eax, dword [esp + 0x30]
test eax, eax
jne 0x451d14
mov al, byte [esp + 0x11]
test al, al
jne 0x451d14
mov byte [esp + 0x11], 1
jmp 0x4522c1
mov eax, dword [eax]
push eax
mov dword [esp + 0x1c], eax
call dword [sym.imp.KERNEL32.dll_lstrlenW]
mov ecx, dword [esp + 0x14]
mov ebx, eax
lea eax, [ebx + ebx + 4]
sub eax, ecx
add eax, esi
test eax, 0xfffffffe
jl 0x4523d8
sub esi, edi
mov edi, dword [esp + 0x94]
lea ebp, [ebx + ebp + 0x10]
push ebp
mov ecx, edi
sar esi, 1
call fcn.004462b0
mov edi, dword [edi]
lea ecx, [edi + ebp*2 - 2]
mov dword [esp + 0x14], ecx
lea esi, [edi + esi*2]
dec ebx
js 0x451d14
lea ecx, [ebx + 1]
mov eax, dword [esp + 0x18]
mov dx, word [eax]
mov word [esi], dx
add eax, 2
add esi, 2
dec ecx
mov dword [esp + 0x18], eax
jne 0x4523e2
jmp 0x451d14
mov ecx, dword [esp + 0x14]
mov dword [esp + 0x18], eax
lea eax, [ebx + ebx + 4]
sub eax, ecx
add eax, esi
test eax, 0xfffffffe
jl 0x45243e
mov ecx, dword [esp + 0x94]
sub esi, edi
lea ebp, [ebx + ebp + 0x10]
push ebp
sar esi, 1
call fcn.004462b0
mov ecx, dword [esp + 0x94]
mov edi, dword [ecx]
lea edx, [edi + ebp*2 - 2]
mov dword [esp + 0x14], edx
lea esi, [edi + esi*2]
dec ebx
js 0x451d14
mov eax, dword [esp + 0x18]
lea ecx, [ebx + 1]
lea esp, [esp]
mov dx, word [eax]
mov word [esi], dx
add esi, 2
add eax, 2
dec ecx
jne 0x452450
jmp 0x451d14
mov word [esi], 0
sub esi, edi
mov edi, dword [esp + 0x94]
mov ecx, dword [edi]
sar esi, 1
lea eax, [esi + esi + 6]
push ecx
call fcn.00445f60
add esp, 4
test eax, eax
mov dword [edi], eax
je 0x452490
mov word [eax + esi*2 + 4], 0
mov eax, dword [esp + 0x20]
test eax, eax
je 0x4524ab
mov edx, dword [0x51927c]
add eax, 0xfffffff8
push eax
push 0
push edx
call dword [sym.imp.KERNEL32.dll_HeapFree]
mov eax, dword [esp + 0x34]
push eax
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov ecx, dword [esp + 0x80]
pop edi
mov eax, esi
pop esi
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x7c
ret 0x10