joyce8/EMBER2024-capa huggingface dataset:
Function at 0x54ae30
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5af680
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x10c
push ebx
mov ebx, ecx
push esi
push edi
mov eax, dword [ebx + 0x3a0]
mov dword [ebp - 0x10], esp
test eax, eax
mov dword [ebp - 0x14], ebx
mov dword [ebp - 4], 0
jne 0x54ae8f
mov eax, dword [ebp + 8]
push eax
call fcn.0054cc00
test al, al
jne 0x54ae8f
mov eax, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
mov eax, dword [ebx + 0x3a0]
lea ecx, [ebp + 8]
lea edx, [ebp - 0x118]
push ecx
push edx
push 0
push 0
push str.LocalPath
push eax
mov dword [ebp + 8], 0x104
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
je 0x54aed3
mov eax, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
lea ecx, [ebp - 0x118]
push ecx
call fcn.0056f30e
add esp, 4
test eax, eax
je 0x54aefe
mov eax, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
mov eax, dword [ebx + 0x2c]
test eax, eax
je 0x54af0e
push eax
call fcn.00584a85
add esp, 4
lea edi, [ebp - 0x118]
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
push ecx
call fcn.00584a5c
mov edx, eax
add esp, 4
test edx, edx
mov dword [ebx + 0x2c], edx
jne 0x54af53
push str.URL::set_localPath__:_Not_enough_memory__n
mov ecx, ebx
call fcn.005479a0
mov eax, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
lea edi, [ebp - 0x118]
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov eax, ecx
mov esi, edi
mov edi, edx
lea edx, [ebp - 0x118]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov eax, dword [ebx + 0x3a0]
mov esi, dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
lea ecx, [ebp + 8]
mov edi, 0x104
push ecx
push edx
push 0
push 0
push str.LocalFileName
push eax
mov dword [ebp + 8], edi
call esi
test eax, eax
je 0x54afbd
mov eax, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
lea ecx, [ebp - 0x118]
push ecx
mov ecx, ebx
call fcn.0054b4d0
test eax, eax
je 0x54afe7
mov eax, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
mov ecx, dword [ebx + 0x3a0]
lea edx, [ebp + 8]
lea eax, [ebp - 0x118]
push edx
push eax
push 0
push 0
push str.LogFileName
push ecx
mov dword [ebp + 8], edi
call esi
test eax, eax
je 0x54b023
mov eax, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
mov edx, dword [ebx + 0x398]
lea edi, [ebp - 0x118]
or ecx, 0xffffffff
xor eax, eax
add edx, 4
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov eax, ecx
mov esi, edi
mov edi, edx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
xor eax, eax
rep movsb byte es:[edi], byte [esi]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
Function at 0x54b720
Capabilities:
Query or enumerate registry value

Disassembly:
mov eax, dword [0x6647c8]
sub esp, 0x20c
test eax, eax
jne 0x54b7de
mov eax, dword [0x6647c4]
test eax, eax
jne 0x54b7b6
mov edx, dword [0x663680]
lea eax, [esp]
lea ecx, [esp + 4]
push eax
push ecx
push 0
push 0
push str.ExePath
push edx
mov dword [esp + 0x18], 0x104
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x54b7ad
lea eax, [esp + 4]
push 0x5c
push eax
call fcn.0056c5b0
add esp, 8
test eax, eax
je 0x54b7ad
lea ecx, [esp + 4]
lea edx, [esp + 0x108]
push ecx
push str._sidmftype.dll
push edx
mov byte [eax], 0
call fcn.0056d05a
add esp, 0xc
lea eax, [esp + 0x108]
push eax
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov dword [0x6647c4], eax
jmp 0x54b7b2
mov eax, dword [0x6647c4]
test eax, eax
je 0x54b7de
push esi
mov esi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push str.IDMFileType
push eax
call esi
mov ecx, dword [0x6647c4]
push str.IDMExtensionForMimeType
push ecx
mov dword [0x6647c8], eax
call esi
mov dword [0x6647cc], eax
pop esi
add esp, 0x20c
ret
Function at 0x54cd30
Capabilities:
Set registry value

Disassembly:
mov eax, dword [esp + 4]
push esi
mov esi, ecx
mov dword [esi + 0x2a0], eax
mov eax, dword [esp + 0xc]
test eax, eax
je 0x54cd89
mov ecx, dword [esi + 0x3a0]
test ecx, ecx
jne 0x54cd5b
push eax
mov ecx, esi
call fcn.0054cc00
test al, al
je 0x54cd89
mov edx, dword [esi + 0x2a0]
mov eax, dword [esi + 0x3a0]
xor ecx, ecx
push 4
test edx, edx
lea edx, [esp + 0xc]
push edx
push 4
push 0
push str.needER
setne cl
push eax
mov dword [esp + 0x20], ecx
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
pop esi
ret 8
Function at 0x54d060
Capabilities:
Link many functions at runtime

Disassembly:
sub esp, 0x198
push ebx
push esi
lea eax, [esp + 8]
push edi
mov ebx, ecx
push eax
mov dword [esp + 0x10], 0x94
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
test eax, eax
je 0x54d1fd
mov eax, dword [esp + 0x1c]
cmp eax, 2
jne 0x54d09d
lea edx, [esp + 0xa0]
mov edi, str.security.dll
jmp 0x54d0b2
cmp eax, 1
jne 0x54d1fd
lea edx, [esp + 0xa0]
mov edi, str.secur32.dll
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov eax, ecx
mov esi, edi
mov edi, edx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
mov eax, dword [ebx + 0x178]
and ecx, 3
test eax, eax
rep movsb byte es:[edi], byte [esi]
jne 0x54d0ed
lea ecx, [esp + 0xa0]
push ecx
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov dword [ebx + 0x178], eax
mov eax, dword [ebx + 0x178]
test eax, eax
je 0x54d1fd
mov esi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push str.FreeCredentialsHandle
push eax
call esi
mov edx, dword [ebx + 0x178]
push str.QuerySecurityPackageInfoA
push edx
mov dword [ebx + 0x17c], eax
call esi
mov dword [ebx + 0x184], eax
mov eax, dword [ebx + 0x178]
push str.AcquireCredentialsHandleA
push eax
call esi
mov ecx, dword [ebx + 0x178]
push str.FreeContextBuffer
push ecx
mov dword [ebx + 0x180], eax
call esi
mov edx, dword [ebx + 0x178]
push str.InitializeSecurityContextA
push edx
mov dword [ebx + 0x188], eax
call esi
mov dword [ebx + 0x18c], eax
mov eax, dword [ebx + 0x178]
push str.CompleteAuthToken
push eax
call esi
mov ecx, dword [ebx + 0x178]
push str.EnumerateSecurityPackagesA
push ecx
mov dword [ebx + 0x190], eax
call esi
mov edx, dword [ebx + 0x178]
push str.DeleteSecurityContext
push edx
mov dword [ebx + 0x194], eax
call esi
mov dword [ebx + 0x198], eax
mov eax, dword [ebx + 0x17c]
test eax, eax
je 0x54d1e6
mov eax, dword [ebx + 0x184]
test eax, eax
je 0x54d1e6
mov eax, dword [ebx + 0x180]
test eax, eax
je 0x54d1e6
mov eax, dword [ebx + 0x188]
test eax, eax
je 0x54d1e6
mov eax, dword [ebx + 0x18c]
test eax, eax
je 0x54d1e6
mov eax, dword [ebx + 0x194]
test eax, eax
je 0x54d1e6
pop edi
pop esi
mov eax, 1
pop ebx
add esp, 0x198
ret
mov eax, dword [ebx + 0x178]
push eax
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
mov dword [ebx + 0x178], 0
pop edi
pop esi
xor eax, eax
pop ebx
add esp, 0x198
ret
Function at 0x54dd70
Capabilities:
Encode data using base64

Disassembly:
push ebp
mov ebp, dword [esp + 0xc]
mov eax, 0xaaaaaaab
push esi
lea ecx, [ebp + 3]
mov esi, dword [esp + 0x14]
mul ecx
shr edx, 1
lea edx, [edx + ebp + 4]
push edx
push esi
call fcn.00514910
add esp, 8
test eax, eax
jne 0x54dd9d
pop esi
pop ebp
ret 0xc
push esi
call fcn.00514900
mov ecx, eax
add esp, 4
xor eax, eax
test ebp, ebp
jbe 0x54de28
lea edx, [ebp + 2]
mov eax, 0xaaaaaaab
mul edx
mov esi, dword [esp + 0xc]
push ebx
push edi
mov edi, edx
shr edi, 1
lea eax, [edi + edi*2]
xor edx, edx
xor ebx, ebx
mov dl, byte [esi]
add esi, 3
shr edx, 2
inc ecx
mov dl, byte [edx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_Unknown_error_in_HTTPConnection_constructor._n]
mov byte [ecx - 1], dl
mov dl, byte [esi - 3]
mov bl, byte [esi - 2]
and edx, 3
shl edx, 4
shr ebx, 4
or edx, ebx
xor ebx, ebx
inc ecx
mov dl, byte [edx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_Unknown_error_in_HTTPConnection_constructor._n]
mov byte [ecx - 1], dl
mov dl, byte [esi - 2]
mov bl, byte [esi - 1]
and edx, 0xf
shl edx, 2
shr ebx, 6
or edx, ebx
inc ecx
mov dl, byte [edx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_Unknown_error_in_HTTPConnection_constructor._n]
mov byte [ecx - 1], dl
mov dl, byte [esi - 1]
and edx, 0x3f
inc ecx
dec edi
mov dl, byte [edx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_Unknown_error_in_HTTPConnection_constructor._n]
mov byte [ecx - 1], dl
jne 0x54ddc5
pop edi
pop ebx
lea edx, [ebp + 1]
cmp eax, edx
jne 0x54de40
mov byte [ecx - 1], 0x3d
pop esi
mov byte [ecx], 0
mov eax, 1
pop ebp
ret 0xc
add ebp, 2
cmp eax, ebp
jne 0x54de4f
mov al, 0x3d
mov byte [ecx - 1], al
mov byte [ecx - 2], al
pop esi
mov byte [ecx], 0
mov eax, 1
pop ebp
ret 0xc

Function at 0x54e4f0
Capabilities:
Get hostname

Disassembly:
push ebx
mov ebx, dword [esp + 0x10]
push esi
push edi
mov edi, dword [esp + 0x10]
push 0x654d90
push edi
mov dword [ebx], edi
call fcn.0056dc60
mov esi, dword [esp + 0x1c]
add esp, 8
test eax, eax
mov dword [esi], eax
jne 0x54e549
mov al, byte [0x6647dc]
test al, al
jne 0x54e536
lea eax, [esp + 0x10]
mov dword [esp + 0x10], 0x10
push eax
push 0x6647dc
call dword [sym.imp.KERNEL32.dll_GetComputerNameA]
mov dword [ebx], 0x6647dc
mov dword [esi], edi
pop edi
pop esi
mov eax, 1
pop ebx
ret 0xc
mov byte [eax], 0
mov edx, dword [esi]
inc edx
mov dword [esi], edx
mov esi, edx
mov al, byte [esi]
test al, al
je 0x54e56c
cmp al, 0x5c
je 0x54e56c
cmp al, 0x2f
je 0x54e56c
pop edi
pop esi
mov eax, 1
pop ebx
ret 0xc
push 0x57
call dword [sym.imp.KERNEL32.dll_SetLastError]
pop edi
pop esi
xor eax, eax
pop ebx
ret 0xc
Function at 0x54eb00
Capabilities:
Read file on windows

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x5af960
push eax
mov dword fs:[0], esp
sub esp, 0x8c
mov eax, dword [esp + 0x9c]
push ebx
push esi
xor esi, esi
push esi
push esi
push 3
push esi
push 3
push closesocket
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x54eb4d
call dword [sym.imp.KERNEL32.dll_GetLastError]
xor eax, eax
jmp 0x54ec30
push edi
mov ecx, 0x20
xor eax, eax
lea edi, [esp + 0x10]
rep stosd dword es:[edi], eax
lea ecx, [esp + 0xc]
push esi
push ecx
lea edx, [esp + 0x18]
push 0x80
push edx
push ebx
mov dword [esp + 0x20], esi
stosb byte es:[edi], al
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
pop edi
je 0x54ec27
cmp dword [esp + 8], esi
je 0x54ec27
lea eax, [esp + 0xc]
push eax
call fcn.0056f394
lea ecx, [esp + 0x10]
push str._HTML
push ecx
call fcn.0056c6b0
add esp, 0xc
test eax, eax
jne 0x54ebc0
lea edx, [esp + 0xc]
push str.__HTML
push edx
call fcn.0056c6b0
add esp, 8
test eax, eax
je 0x54ebc5
mov esi, 1
lea eax, [esp + 0xc]
push str._BODY
push eax
call fcn.0056c6b0
add esp, 8
test eax, eax
jne 0x54ebf1
lea ecx, [esp + 0xc]
push str.__BODY
push ecx
call fcn.0056c6b0
add esp, 8
test eax, eax
je 0x54ebf6
mov esi, 1
lea edx, [esp + 0xc]
push str._HEAD
push edx
call fcn.0056c6b0
add esp, 8
test eax, eax
jne 0x54ec22
lea eax, [esp + 0xc]
push str.__HEAD
push eax
call fcn.0056c6b0
add esp, 8
test eax, eax
je 0x54ec27
mov esi, 1
push ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, esi
mov ecx, dword [esp + 0x94]
pop esi
pop ebx
mov dword fs:[0], ecx
add esp, 0x98
ret 4

Function at 0x54f130
Capabilities:
Get file size

Disassembly:
push esi
push edi
mov edi, ecx
lea eax, [esp + 0xc]
mov ecx, dword [esp + 0xc]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
cmp esi, 0xffffffff
jne 0x54f16b
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
je 0x54f16b
push eax
push str.GetFileSize___error_in_CFormatParsing::GetFSize____errcode___ld._r_n
mov ecx, edi
call fcn.00550730
xor eax, eax
pop edi
xor edx, edx
pop esi
ret 4
mov edx, dword [esp + 0xc]
push 1
push 0
push 0
push edx
call fcn.0056ee00
xor ecx, ecx
add eax, esi
pop edi
pop esi
adc edx, ecx
ret 4
Function at 0x5501a0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5afa38
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
mov eax, 0x2760
call fcn.0056c9b0
push ebx
push esi
mov esi, ecx
push edi
xor ebx, ebx
lea ecx, [ebp - 0x60]
mov dword [ebp - 0x10], esp
mov dword [ebp - 0x14], esi
mov dword [ebp - 4], ebx
call fcn.00551090
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 0x18]
test eax, eax
mov byte [ebp - 4], 1
mov edi, 0x2710
jg 0x550221
jl 0x5501f4
cmp ecx, edi
jae 0x550221
mov edx, dword [esi + 0x14]
test edx, edx
jne 0x55021d
lea ecx, [ebp - 0x60]
mov byte [ebp - 4], 0
call fcn.005510c0
mov eax, 3
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov edi, ecx
mov ebx, eax
mov edx, dword [esi + 0x10]
lea eax, [ebp - 0x18]
push 0
push eax
lea ecx, [ebp - 0x2770]
push edi
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x55029f
mov eax, dword [ebp - 0x18]
test eax, eax
je 0x55029f
push ebx
lea eax, [ebp - 0x2770]
push edi
push eax
lea ecx, [ebp - 0x60]
call fcn.005510d0
cmp eax, 0xa
jne 0x5502b2
mov ecx, dword [ebp - 0x48]
mov edx, dword [ebp - 0x24]
mov eax, dword [ebp - 0x28]
push ecx
mov ecx, dword [ebp - 0x54]
push edx
mov edx, dword [ebp - 0x58]
push eax
mov eax, dword [0x6641b0]
push ecx
push edx
add esi, 8
push eax
push esi
call fcn.0058148b
add esp, 0x1c
lea ecx, [ebp - 0x60]
mov byte [ebp - 4], 0
call fcn.005510c0
xor eax, eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push str.ReadFile___error__ld_in_CFormatParsing::PreCheckMpg___r_n
mov ecx, esi
call fcn.00550730
lea ecx, [ebp - 0x60]
mov byte [ebp - 4], 0
call fcn.005510c0
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
mov eax, 1
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x5502f0
Capabilities:
Check if file exists

Disassembly:
mov eax, dword [esp + 4]
push esi
push 0
push 0
push 3
push 0
push 3
push closesocket
mov esi, ecx
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
mov dword [esi + 0x10], eax
jne 0x550333
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 2
je 0x55032d
push eax
push str.CreateFile___error__ld_in_CFormatParsing::Initialize___r_n
mov ecx, esi
call fcn.00550730
xor al, al
pop esi
ret 8
push eax
mov ecx, esi
call fcn.0054f130
mov ecx, dword [esp + 0xc]
mov dword [esi + 0x18], eax
mov dword [esi + 0x1c], edx
mov dword [esi + 0x14], ecx
mov al, 1
pop esi
ret 8
Function at 0x5504e0
Capabilities:
Read file on windows

Disassembly:
push 0xffffffffffffffff
push 0x5afa76
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x150
push ebp
push esi
mov esi, ecx
push edi
lea ecx, [esp + 0x14]
call fcn.00550d50
mov eax, dword [esi + 0x1c]
mov dword [esp + 0x164], 0
test eax, eax
jg 0x55054e
jl 0x550526
cmp dword [esi + 0x18], 0x80
jae 0x55054e
mov esi, dword [esi + 0x14]
lea ecx, [esp + 0x14]
neg esi
sbb esi, esi
mov dword [esp + 0x164], 0xffffffff
and esi, 0xfffffffe
add esi, 3
call fcn.00550e50
mov eax, esi
jmp 0x55070a
mov eax, dword [esi + 0x10]
push 2
push 0
push 0xffffffffffffff80
push eax
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
or ebp, 0xffffffff
cmp eax, ebp
jne 0x55057c
call edi
test eax, eax
je 0x55057c
push eax
push str.SetFilePointer___error__ld_in_CFormatParsing::GetLastMp3___r_n
jmp 0x5506ee
mov eax, dword [esi + 0x10]
lea ecx, [esp + 0x10]
push 0
push ecx
lea edx, [esp + 0xcc]
push 0x80
push edx
push eax
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x5506e6
mov eax, dword [esp + 0x10]
test eax, eax
je 0x5506e6
lea ecx, [esp + 0x14]
call fcn.00550ec0
cmp eax, 0x51
jne 0x5506f5
lea ecx, [esp + 0x64]
call fcn.0058149e
mov ecx, dword [esp + 0x64]
mov eax, dword [ecx - 8]
test eax, eax
je 0x5505ef
lea edi, [esi + 8]
push 0x6641c4
mov ecx, edi
call fcn.00588a72
lea edx, [esp + 0x64]
mov ecx, edi
push edx
call fcn.00588a72
lea ecx, [esp + 0x6c]
call fcn.0058149e
mov eax, dword [esp + 0x6c]
mov ecx, dword [eax - 8]
test ecx, ecx
je 0x55061e
lea edi, [esi + 8]
push 0x6641c0
mov ecx, edi
call fcn.00588a72
lea ecx, [esp + 0x6c]
push ecx
mov ecx, edi
call fcn.00588a72
lea ecx, [esp + 0x68]
call fcn.0058149e
mov edx, dword [esp + 0x68]
mov eax, dword [edx - 8]
test eax, eax
je 0x55064d
lea edi, [esi + 8]
push 0x6641bc
mov ecx, edi
call fcn.00588a72
lea eax, [esp + 0x68]
mov ecx, edi
push eax
call fcn.00588a72
lea ecx, [esp + 0x5c]
push ecx
lea ecx, [esp + 0x10]
call fcn.0058872e
lea ecx, [esp + 0xc]
mov byte [esp + 0x164], 1
call fcn.0058149e
mov edx, dword [esp + 0xc]
mov eax, dword [edx - 8]
test eax, eax
je 0x550692
lea edi, [esi + 8]
push 0x65581c
mov ecx, edi
call fcn.00588a36
lea eax, [esp + 0xc]
mov ecx, edi
push eax
call fcn.00588a72
lea ecx, [esp + 0x70]
call fcn.0058149e
mov ecx, dword [esp + 0x70]
mov eax, dword [ecx - 8]
test eax, eax
je 0x5506c1
add esi, 8
push 0x6641b8
mov ecx, esi
call fcn.00588a72
lea edx, [esp + 0x70]
mov ecx, esi
push edx
call fcn.00588a72
lea ecx, [esp + 0xc]
mov byte [esp + 0x164], 0
call fcn.005886c0
lea ecx, [esp + 0x14]
mov dword [esp + 0x164], ebp
call fcn.00550e50
xor eax, eax
jmp 0x55070a
call edi
push eax
push str.ReadFile___error__ld_in_CFormatParsing::GetLastMp3___r_n
mov ecx, esi
call fcn.00550730
lea ecx, [esp + 0x14]
mov dword [esp + 0x164], ebp
call fcn.00550e50
mov eax, 1
mov ecx, dword [esp + 0x15c]
pop edi
pop esi
pop ebp
mov dword fs:[0], ecx
add esp, 0x15c
ret
Function at 0x554eb0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5affa0
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x30
push ebx
push esi
mov esi, ecx
lea edx, [ebp - 0x30]
lea ecx, [ebp - 0x14]
push edi
mov eax, 1
mov dword [ebp - 0x28], ecx
mov dword [ebp - 0x34], edx
mov edx, dword [ebp + 0xc]
lea ecx, [ebp - 0x3c]
mov dword [ebp - 0x10], esp
mov dword [ebp - 0x14], eax
mov dword [ebp - 0x38], eax
mov eax, dword [esi + 0x80]
xor ebx, ebx
push ecx
push edx
mov dword [ebp - 0x18], esi
mov dword [ebp - 0x2c], 2
mov dword [ebp - 0x30], 4
mov dword [ebp - 0x3c], ebx
mov dword [ebp - 4], ebx
call dword [eax + 0x354]
mov edi, eax
mov dword [ebp - 4], 0xffffffff
cmp edi, ebx
jl 0x554fd3
lea eax, [ebp - 0x30]
lea edx, [ebp - 0x24]
mov dword [ebp - 0x34], eax
lea eax, [ebp - 0x1c]
push edx
push eax
mov eax, dword [ebp + 0xc]
lea edx, [ebp - 0x3c]
push edx
push eax
mov ecx, dword [esi + 0x80]
push ebx
push ebx
push 0x10
push ebx
push 0xc11c
push ebx
push eax
mov eax, dword [ebp + 8]
mov dword [ebp - 0x28], ebx
push eax
mov dword [ebp - 0x2c], 2
mov dword [ebp - 0x30], ebx
mov dword [ebp - 0x38], 1
mov dword [ebp - 0x3c], ebx
call dword [ecx + 0x344]
mov edi, eax
cmp edi, ebx
jl 0x554fd3
mov eax, dword [ebp - 0x28]
cmp eax, ebx
mov dword [ebp + 8], eax
je 0x554fd3
mov ecx, dword [ebp - 0x30]
cmp ecx, ebx
je 0x554fd3
push ebx
push ecx
mov ecx, dword [esi + 0x30c4]
push eax
push ecx
call sub.WSOCK32.dll_send
cmp eax, 0xffffffff
je 0x554fbe
cmp eax, ebx
je 0x554fbe
push str.Sending_Close_Notify_n
mov ecx, esi
call fcn.004f8a80
mov eax, dword [ebp + 8]
mov edx, dword [esi + 0x80]
push eax
call dword [edx + 0x36c]
jmp 0x554fd3
call sub.WSOCK32.dll_WSAGetLastError
mov edi, eax
jmp 0x554fd3
mov edx, dword [ebp + 0xc]
mov ecx, dword [esi + 0x80]
push edx
call dword [ecx + 0x350]
mov eax, dword [esi + 0x80]
add esi, 0x31e4
push esi
call dword [eax + 0x33c]
mov ecx, dword [ebp - 0xc]
mov eax, edi
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret 8
Function at 0x555140
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
mov ecx, dword [esp + 8]
test ecx, ecx
jne 0x55514b
xor eax, eax
ret
mov eax, dword [esp + 4]
push ebx
push esi
mov esi, dword [esp + 0x14]
cmp esi, 8
not eax
jb 0x55524e
push edi
mov edi, esi
shr edi, 3
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
mov ebx, eax
shr ebx, 8
mov eax, dword [edx*4 + 0x5dc588]
sub esi, 8
xor eax, ebx
inc ecx
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x5dc588]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x5dc588]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x5dc588]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x5dc588]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x5dc588]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x5dc588]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x5dc588]
xor eax, edx
inc ecx
dec edi
jne 0x555166
pop edi
test esi, esi
je 0x555270
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x5dc588]
xor eax, edx
inc ecx
dec esi
jne 0x555252
pop esi
pop ebx
not eax
ret
Function at 0x55c530
Capabilities:
Write file on windows

Disassembly:
mov eax, dword [esp + 4]
push esi
push edi
push 0
push 0
push 2
push 0
push 3
push 0xc0000000
mov edi, ecx
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov esi, eax
cmp esi, 0xffffffff
je 0x55c575
mov edx, dword [edi + 4]
mov eax, dword [edi + 0xc]
lea ecx, [esp + 0xc]
push 0
shl edx, 2
push ecx
push edx
push eax
push esi
call dword [sym.imp.KERNEL32.dll_WriteFile]
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
pop esi
ret 4

Function at 0x55c580
Capabilities:
Check if file exists
Get file attributes
Get file size
Read file on windows

Disassembly:
push ecx
push ebx
push ebp
push esi
mov esi, dword [esp + 0x14]
push edi
mov edi, ecx
push esi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x55c5a1
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
pop ecx
ret 4
push 0
push 0
push 4
push 0
push 3
push 0xc0000000
push esi
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov ebp, eax
cmp ebp, 0xffffffff
jne 0x55c5c8
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
pop ecx
ret 4
lea eax, [esp + 0x18]
push eax
push ebp
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
xor ebx, ebx
cmp esi, 0xffffffff
jne 0x55c5fc
test ebx, ebx
jne 0x55c5fc
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
je 0x55c5fc
push ebp
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
pop ecx
ret 4
mov ecx, dword [esp + 0x18]
push 1
push 0
push 0
push ecx
call fcn.0056ee00
add esi, eax
adc ebx, edx
mov edx, esi
or edx, ebx
je 0x55c67d
push 0
push 4
push ebx
push esi
call fcn.0056e3a0
mov ebx, eax
mov eax, dword [edi + 8]
cmp ebx, eax
jl 0x55c65b
mov eax, dword [edi + 0xc]
push eax
call fcn.00584a85
lea eax, [ebx + 0x2710]
mov dword [edi + 8], eax
lea ecx, [eax*4]
push ecx
call fcn.00584a5c
add esp, 8
mov dword [edi + 0xc], eax
test eax, eax
jne 0x55c65b
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret 4
mov eax, dword [edi + 0xc]
lea edx, [esp + 0x10]
push 0
push edx
push esi
push eax
push ebp
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x55c67a
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret 4
mov dword [edi + 4], ebx
push ebp
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
pop ecx
ret 4

Function at 0x55c9e0
Capabilities:
Write file on windows

Disassembly:
mov eax, dword [esp + 4]
push esi
push edi
push 0
push 0
push 2
push 0
push 3
push 0xc0000000
mov edi, ecx
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov esi, eax
cmp esi, 0xffffffff
je 0x55ca25
mov edx, dword [edi + 4]
mov eax, dword [edi + 0xc]
lea ecx, [esp + 0xc]
push 0
shl edx, 4
push ecx
push edx
push eax
push esi
call dword [sym.imp.KERNEL32.dll_WriteFile]
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
pop esi
ret 4