Function at 0x57e980
Capabilities:
Encrypt data using rc4 prga
Resolve function by parsing pe exports

Disassembly:
mov ecx, dword [0x7f7460]
mov ecx, dword fs:[ecx]
mov ecx, dword [ecx]
cmp esp, dword [ecx + 8]
jbe 0x57ed0d
sub esp, 0x50
mov eax, dword [esp + 0x60]
shl eax, 6
movzx edx, byte [esp + 0x6c]
test dl, dl
je 0x57e9aa
or eax, 0x20
mov edx, dword [esp + 0x64]
cmp edx, 0x1f
jl 0x57ea2e
mov ebx, dword [esp + 0x58]
inc ebx
mov ebp, dword [esp + 0x5c]
cmp ebp, ebx
jb 0x57e9c6
mov ecx, dword [esp + 0x54]
jmp 0x57ea09
mov byte [esp + 0x23], al
mov eax, dword [esp + 0x54]
mov dword [esp], eax
mov dword [esp + 4], ebx
mov dword [esp + 8], ebp
mov dword [esp + 0xc], 1
lea eax, [0x5eeda0]
mov dword [esp + 0x10], eax
call fcn.0044d830
mov eax, dword [esp + 0x14]
mov ebx, dword [esp + 0x18]
mov ecx, dword [esp + 0x1c]
mov edx, dword [esp + 0x64]
mov ebp, ecx
mov ecx, eax
movzx eax, byte [esp + 0x23]
mov dword [esp + 0x48], ecx
or eax, 0x1f
mov byte [ebx + ecx - 1], al
mov eax, edx
sar edx, 0x1f
mov dword [esp + 0x2c], edx
mov esi, edx
mov edi, eax
xor eax, eax
mov dword [esp + 0x24], eax
mov eax, edi
jmp 0x57ebf1
mov ebx, dword [esp + 0x58]
inc ebx
or eax, edx
mov edx, dword [esp + 0x5c]
cmp edx, ebx
jb 0x57ea43
mov ecx, dword [esp + 0x54]
jmp 0x57ea82
mov byte [esp + 0x23], al
mov eax, dword [esp + 0x54]
mov dword [esp], eax
mov dword [esp + 4], ebx
mov dword [esp + 8], edx
mov dword [esp + 0xc], 1
lea eax, [0x5eeda0]
mov dword [esp + 0x10], eax
call fcn.0044d830
mov eax, dword [esp + 0x14]
mov ebx, dword [esp + 0x18]
mov ecx, dword [esp + 0x1c]
mov edx, ecx
mov ecx, eax
movzx eax, byte [esp + 0x23]
mov byte [ebx + ecx - 1], al
mov eax, dword [esp + 0x68]
cmp eax, 0x80
jl 0x57ea9a
mov ebp, eax
mov esi, 1
jmp 0x57eae9
inc ebx
cmp edx, ebx
jae 0x57ead1
mov dword [esp], ecx
mov dword [esp + 4], ebx
mov dword [esp + 8], edx
mov dword [esp + 0xc], 1
lea eax, [0x5eeda0]
mov dword [esp + 0x10], eax
call fcn.0044d830
mov ecx, dword [esp + 0x14]
mov ebx, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
mov eax, dword [esp + 0x68]
mov byte [ebx + ecx - 1], al
mov dword [esp + 0x70], ecx
mov dword [esp + 0x74], ebx
mov dword [esp + 0x78], edx
add esp, 0x50
ret
inc esi
sar eax, 8
cmp eax, 0xff
jg 0x57eae5
lea eax, [ebx + 1]
cmp edx, eax
jae 0x57eb31
mov dword [esp + 0x28], esi
mov dword [esp], ecx
mov dword [esp + 4], eax
mov dword [esp + 8], edx
mov dword [esp + 0xc], 1
lea eax, [0x5eeda0]
mov dword [esp + 0x10], eax
call fcn.0044d830
mov ecx, dword [esp + 0x14]
mov eax, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
mov ebp, dword [esp + 0x68]
mov esi, dword [esp + 0x28]
or esi, 0xffffff80
xchg esi, ebx
mov byte [eax + ecx - 1], bl
xchg esi, ebx
nop
mov ebx, ebp
mov esi, 1
jmp 0x57eb4a
inc esi
sar ebp, 8
cmp ebp, 0xff
jg 0x57eb46
jmp 0x57eb5c
mov byte [eax + edi - 1], bl
mov ebx, ebp
mov ecx, edi
test esi, esi
jle 0x57ebc8
inc eax
lea ebp, [esi - 1]
mov esi, ebp
shl ebp, 3
cmp ebp, 0x20
sbb edi, edi
xchg edi, ebx
not ebx
xchg edi, ebx
or ebp, edi
mov edi, ecx
mov ecx, ebp
mov ebp, ebx
sar ebx, cl
cmp edx, eax
jae 0x57eb54
mov dword [esp + 0x44], esi
mov dword [esp + 0x40], ebx
mov dword [esp], edi
mov dword [esp + 4], eax
mov dword [esp + 8], edx
mov dword [esp + 0xc], 1
lea eax, [0x5eeda0]
mov dword [esp + 0x10], eax
call fcn.0044d830
mov ecx, dword [esp + 0x14]
mov eax, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
mov ebx, dword [esp + 0x40]
mov ebp, dword [esp + 0x68]
mov esi, dword [esp + 0x44]
mov edi, ecx
jmp 0x57eb54
mov ebx, eax
jmp 0x57ead5
shr eax, 7
mov ecx, edx
shl ecx, 0x19
or eax, ecx
sar edx, 7
mov ecx, dword [esp + 0x24]
inc ecx
mov esi, dword [esp + 0x2c]
mov edi, dword [esp + 0x64]
mov dword [esp + 0x24], ecx
mov ecx, dword [esp + 0x48]
test edx, edx
xchg edi, ebx
setg bl
xchg edi, ebx
xchg esi, ebx
sete bl
xchg esi, ebx
test eax, eax
seta cl
and esi, ecx
or edi, esi
xchg edi, eax
test al, al
xchg edi, eax
jne 0x57ebcf
mov eax, dword [esp + 0x24]
dec eax
mov edx, dword [esp + 0x64]
mov esi, dword [esp + 0x2c]
mov ecx, dword [esp + 0x48]
jmp 0x57ec2e
mov byte [ebx + ecx - 1], dl
dec eax
mov edx, dword [esp + 0x64]
mov esi, edi
test eax, eax
jl 0x57ed06
mov dword [esp + 0x4c], ecx
mov dword [esp + 0x34], ebp
lea edi, [eax + eax*2]
lea ecx, [eax + edi*2 - 0x20]
mov dword [esp + 0x3c], ecx
neg ecx
mov dword [esp + 0x38], ecx
shl esi, cl
lea edi, [eax + edi*2]
mov ecx, edi
shr edx, cl
shr ecx, 5
cmp ecx, 1
sbb ecx, ecx
xor ecx, 0xffffffff
cmp edi, 0x20
sbb edi, edi
and edx, edi
mov edi, dword [esp + 0x38]
cmp edi, 0x20
sbb edi, edi
and esi, edi
or edx, esi
mov esi, dword [esp + 0x3c]
cmp esi, 0x20
sbb edi, edi
xchg edi, ebx
not ebx
xchg edi, ebx
or edi, esi
mov esi, ecx
mov ecx, edi
mov ebp, dword [esp + 0x2c]
mov edi, ebp
sar ebp, cl
and ebp, esi
or ebp, edx
mov edx, ebp
and ebp, 0x7f
test eax, eax
je 0x57eca6
or edx, 0xffffff80
jmp 0x57eca8
mov edx, ebp
inc ebx
mov ebp, dword [esp + 0x34]
cmp ebp, ebx
jb 0x57ecba
mov ecx, dword [esp + 0x4c]
jmp 0x57ec23
mov dword [esp + 0x30], eax
mov byte [esp + 0x22], dl
mov eax, dword [esp + 0x4c]
mov dword [esp], eax
mov dword [esp + 4], ebx
mov dword [esp + 8], ebp
mov dword [esp + 0xc], 1
lea eax, [0x5eeda0]
mov dword [esp + 0x10], eax
call fcn.0044d830
mov ecx, dword [esp + 0x14]
mov ebx, dword [esp + 0x18]
mov ebp, dword [esp + 0x1c]
mov eax, dword [esp + 0x30]
movzx edx, byte [esp + 0x22]
mov edi, dword [esp + 0x2c]
jmp 0x57ec23
mov edx, ebp
jmp 0x57ea86
call fcn.00465ea0
jmp fcn.0057e980