Function at 0x4bd4d0
Capabilities:
Create new key via cryptacquirecontext
Encrypt data using rc4 via winapi
Encrypt or decrypt via wincrypt
Hash data via wincrypt
Hash data with md5
Initialize hashing via wincrypt

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x2c
mov dword [ebp - 4], 0
mov dword [ebp - 8], 0
mov dword [ebp - 0xc], 0
mov dword [ebp - 0x10], 0
mov dword [ebp - 0x14], 0
mov dword [ebp - 0x18], 0
mov dword [ebp - 0x1c], 0
push SysStringLen
push 0
mov ebx, dword [ebp + 8]
mov eax, dword [ebx]
test eax, eax
jne 0x4bd51f
mov eax, 0x618809
push eax
push 1
mov ebx, 0x130
call fcn.005368d0
add esp, 0x10
mov dword [ebp - 0x24], eax
cmp dword [ebp - 0x24], 0
je 0x4bd929
push 0x80000101
push 0
push 0
push 1
mov ebx, 0x140
call fcn.005399d0
add esp, 0x10
mov dword [ebp - 0x20], eax
mov dword [ebp - 0x24], esp
push 0
push 1
push str.Microsoft_Base_Cryptographic_Provider_v1.0
push dword [ebp - 0x20]
lea eax, [ebp - 8]
push eax
call dword [sym.imp.advapi32.dll_CryptAcquireContextA]
nop
nop
nop
nop
cmp dword [ebp - 0x24], esp
je 0x4bd595
push 6
call fcn.0053559b
add esp, 4
mov dword [ebp - 0x28], eax
mov ebx, dword [ebp - 0x20]
test ebx, ebx
je 0x4bd5a8
push ebx
call fcn.0053558f
add esp, 4
cmp dword [ebp - 0x28], 1
mov eax, 0
sete al
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0
jne 0x4bd64d
push 0x80000101
push 0
push 0
push 1
mov ebx, 0x140
call fcn.005399d0
add esp, 0x10
mov dword [ebp - 0x20], eax
mov dword [ebp - 0x24], esp
push 8
push 1
push str.Microsoft_Base_Cryptographic_Provider_v1.0
push dword [ebp - 0x20]
lea eax, [ebp - 8]
push eax
call dword [sym.imp.advapi32.dll_CryptAcquireContextA]
nop
nop
nop
nop
cmp dword [ebp - 0x24], esp
je 0x4bd617
push 6
call fcn.0053559b
add esp, 4
mov dword [ebp - 0x28], eax
mov ebx, dword [ebp - 0x20]
test ebx, ebx
je 0x4bd62a
push ebx
call fcn.0053558f
add esp, 4
cmp dword [ebp - 0x28], 1
mov eax, 0
sete al
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0
jne 0x4bd64d
mov eax, 0x6187fe
jmp 0x4bd962
cmp dword [ebp + 0x10], 0
mov eax, 0
sete al
test eax, eax
je 0x4bd66b
mov eax, str.bbs.125.la
jmp 0x4bd689
mov ebx, dword [ebp + 0xc]
mov eax, dword [ebx]
test eax, eax
je 0x4bd689
push eax
mov ebx, eax
call fcn.0049d8e2
inc eax
push eax
call fcn.00535595
pop ecx
pop esi
mov edi, eax
rep movsb byte es:[edi], byte [esi]
mov dword [ebp - 0x24], eax
mov eax, dword [ebp - 0x24]
push eax
mov ebx, dword [ebp + 0xc]
mov ebx, dword [ebx]
test ebx, ebx
je 0x4bd6a2
push ebx
call fcn.0053558f
add esp, 4
pop eax
mov ebx, dword [ebp + 0xc]
mov dword [ebx], eax
mov dword [ebp - 0x20], esp
lea eax, [ebp - 0xc]
push eax
push 0
push 0
push 0x8003
push dword [ebp - 8]
call dword [sym.imp.advapi32.dll_CryptCreateHash]
nop
nop
nop
nop
cmp dword [ebp - 0x20], esp
je 0x4bd6dd
push 6
call fcn.0053559b
add esp, 4
push SysStringLen
push 0
mov ebx, dword [ebp + 0xc]
mov eax, dword [ebx]
test eax, eax
jne 0x4bd6f2
mov eax, 0x618809
push eax
push 1
mov ebx, 0x198
call fcn.00538e50
add esp, 0x10
mov dword [ebp - 0x20], eax
push SysStringLen
push 0
mov ebx, dword [ebp + 0xc]
mov eax, dword [ebx]
test eax, eax
jne 0x4bd71d
mov eax, 0x618809
push eax
push 1
mov ebx, 0x130
call fcn.005368d0
add esp, 0x10
mov dword [ebp - 0x24], eax
mov dword [ebp - 0x28], esp
push 0
push dword [ebp - 0x24]
mov eax, dword [ebp - 0x20]
test eax, eax
je 0x4bd748
add eax, 8
push eax
push dword [ebp - 0xc]
call dword [sym.imp.advapi32.dll_CryptHashData]
nop
nop
nop
nop
cmp dword [ebp - 0x28], esp
je 0x4bd768
push 6
call fcn.0053559b
add esp, 4
mov ebx, dword [ebp - 0x20]
test ebx, ebx
je 0x4bd778
push ebx
call fcn.0053558f
add esp, 4
mov dword [ebp - 0x20], esp
lea eax, [ebp - 0x10]
push eax
push 0
push dword [ebp - 0xc]
push 0x6801
push dword [ebp - 8]
call dword [sym.imp.advapi32.dll_CryptDeriveKey]
nop
nop
nop
nop
cmp dword [ebp - 0x20], esp
je 0x4bd7ab
push 6
call fcn.0053559b
add esp, 4
mov dword [ebp - 0x20], esp
push dword [ebp - 0xc]
call dword [sym.imp.advapi32.dll_CryptDestroyHash]
nop
nop
nop
nop
cmp dword [ebp - 0x20], esp
je 0x4bd7cd
push 6
call fcn.0053559b
add esp, 4
push SysStringLen
push 0
mov ebx, dword [ebp + 8]
mov eax, dword [ebx]
test eax, eax
jne 0x4bd7e2
mov eax, 0x618809
push eax
push 1
mov ebx, 0x130
call fcn.005368d0
add esp, 0x10
mov dword [ebp - 0x14], eax
mov eax, dword [ebp - 0x14]
mov dword [ebp - 0x18], eax
push 0x80000301
push 0
push dword [ebp - 0x14]
push 1
mov ebx, 0x1bc
call fcn.00536520
add esp, 0x10
mov dword [ebp - 0x20], eax
mov eax, dword [ebp - 0x20]
push eax
mov ebx, dword [ebp - 0x1c]
test ebx, ebx
je 0x4bd831
push ebx
call fcn.0053558f
add esp, 4
pop eax
mov dword [ebp - 0x1c], eax
push SysStringLen
push 0
mov ebx, dword [ebp + 8]
mov eax, dword [ebx]
test eax, eax
jne 0x4bd84a
mov eax, 0x618809
push eax
push 1
mov ebx, 0x198
call fcn.00538e50
add esp, 0x10
mov dword [ebp - 0x20], eax
mov eax, dword [ebp - 0x20]
push eax
mov ebx, dword [ebp - 0x1c]
test ebx, ebx
je 0x4bd874
push ebx
call fcn.0053558f
add esp, 4
pop eax
mov dword [ebp - 0x1c], eax
mov dword [ebp - 0x20], esp
push dword [ebp - 0x18]
lea eax, [ebp - 0x14]
push eax
mov eax, dword [ebp - 0x1c]
test eax, eax
je 0x4bd88c
add eax, 8
push eax
push 0
push 1
push 0
push dword [ebp - 0x10]
call dword [sym.imp.advapi32.dll_CryptEncrypt]
nop
nop
nop
nop
cmp dword [ebp - 0x20], esp
je 0x4bd8bb
push 6
call fcn.0053559b
add esp, 4
mov dword [ebp - 4], eax
mov dword [ebp - 0x20], esp
push dword [ebp - 0x10]
call dword [sym.imp.advapi32.dll_CryptDestroyKey]
nop
nop
nop
nop
cmp dword [ebp - 0x20], esp
je 0x4bd8e0
push 6
call fcn.0053559b
add esp, 4
mov dword [ebp - 0x20], esp
push dword [ebp - 0xc]
call dword [sym.imp.advapi32.dll_CryptDestroyHash]
nop
nop
nop
nop
cmp dword [ebp - 0x20], esp
je 0x4bd902
push 6
call fcn.0053559b
add esp, 4
mov dword [ebp - 0x20], esp
push 0
push dword [ebp - 8]
call dword [sym.imp.advapi32.dll_CryptReleaseContext]
nop
nop
nop
nop
cmp dword [ebp - 0x20], esp
je 0x4bd929
push 6
call fcn.0053559b
add esp, 4
cmp dword [ebp - 4], 0
je 0x4bd952
mov eax, dword [ebp - 0x1c]
test eax, eax
je 0x4bd94d
push eax
mov eax, dword [eax + 4]
add eax, 8
push eax
call fcn.00535595
pop ecx
pop esi
mov edi, eax
rep movsb byte es:[edi], byte [esi]
jmp 0x4bd957
mov eax, 0x6187fe
mov dword [ebp - 0x20], eax
mov eax, dword [ebp - 0x20]
jmp 0x4bd962
push eax
mov ebx, dword [ebp - 0x1c]
test ebx, ebx
je 0x4bd973
push ebx
call fcn.0053558f
add esp, 4
pop eax
mov esp, ebp
pop ebp
ret 0xc