joyce8/EMBER2024-capa huggingface dataset:
Function at 0x53b490
Capabilities:
Access peb ldr_data
Enumerate pe sections
Get kernel32 base address

Disassembly:
push 0xffffffffffffffff
push 0x62be08
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x10
push ebx
push ebp
push esi
push edi
mov esi, ecx
push 0
push 0x2e
lea ecx, [esp + 0x1c]
call fcn.0053d450
mov eax, dword [esp + 0x18]
mov edi, dword [esp + 0x30]
push 1
push 0x2e
push eax
mov ecx, edi
mov dword [esp + 0x34], 0
call fcn.0053c120
mov eax, dword [esp + 0x18]
mov ecx, dword [eax]
mov dword [esi + 4], ecx
mov dx, word [eax + 4]
mov word [esi + 8], dx
mov cx, word [eax + 6]
mov word [esi + 0xa], cx
mov dx, word [eax + 8]
mov word [esi + 0xc], dx
mov cx, word [eax + 0xa]
mov word [esi + 0xe], cx
mov dx, word [eax + 0xc]
mov word [esi + 0x10], dx
mov cx, word [eax + 0xe]
mov word [esi + 0x12], cx
mov edx, dword [eax + 0x10]
mov dword [esi + 0x14], edx
mov ecx, dword [eax + 0x14]
mov dword [esi + 0x18], ecx
mov edx, dword [eax + 0x18]
mov dword [esi + 0x1c], edx
mov cx, word [eax + 0x20]
mov dx, word [eax + 0x22]
mov bx, word [eax + 0x1c]
mov bp, word [eax + 0x1e]
mov word [esp + 0x30], cx
mov word [esi + 0x20], dx
mov cx, word [eax + 0x24]
mov word [esi + 0x22], cx
mov edx, dword [eax + 0x26]
mov dword [esi + 0x24], edx
mov eax, dword [eax + 0x2a]
lea ecx, [esp + 0x14]
mov dword [esi + 0x28], eax
call fcn.0053d500
mov edx, dword [esi + 4]
mov ecx, 0x68e28c
cmp edx, dword [ecx]
je 0x53b57c
lea ecx, [esp + 0x14]
mov dword [esp + 0x28], 0xffffffff
call fcn.0053d4d0
xor al, al
jmp 0x53b614
mov ecx, edi
call fcn.0053c5e0
and ebx, 0xffff
push 0
push ebx
lea ecx, [esi + 0x38]
mov dword [esp + 0x18], eax
call fcn.0053d530
mov ecx, dword [edi + 0x1c]
mov eax, dword [esi + 0x3c]
push ebx
push eax
mov edx, dword [ecx]
call dword [edx + 0x34]
test bp, bp
je 0x53b5ca
mov ebx, ebp
push 0
and ebx, 0xffff
lea ecx, [esi + 0x2c]
push ebx
call fcn.0053d530
mov ecx, dword [edi + 0x1c]
mov eax, dword [esi + 0x30]
push ebx
push eax
mov edx, dword [ecx]
call dword [edx + 0x34]
mov ebx, dword [esp + 0x30]
test bx, bx
je 0x53b5f1
and ebx, 0xffff
push 0
push ebx
lea ecx, [esi + 0x44]
call fcn.0053d530
mov ecx, dword [edi + 0x1c]
mov esi, dword [esi + 0x48]
push ebx
push esi
mov eax, dword [ecx]
call dword [eax + 0x34]
mov ecx, edi
call fcn.0053c5e0
mov ecx, dword [esp + 0x10]
mov dword [esp + 0x28], 0xffffffff
cmp eax, ecx
lea ecx, [esp + 0x14]
sete bl
call fcn.0053d4d0
mov al, bl
mov ecx, dword [esp + 0x20]
pop edi
pop esi
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x1c
ret 4
Function at 0x53baf0
Capabilities:
Access peb ldr_data
Get ntdll base address

Disassembly:
push 0xffffffffffffffff
push 0x62be48
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x14
push ebx
push ebp
mov ebx, ecx
push esi
push edi
push 0
mov esi, dword [ebx + 0x40]
mov edi, dword [ebx + 0x34]
mov eax, edi
mov ebp, esi
and eax, 0xffff
and ebp, 0xffff
mov dword [esp + 0x14], eax
lea ecx, [esp + 0x1c]
lea eax, [eax + ebp + 0x1e]
push eax
mov dword [esp + 0x1c], eax
call fcn.0053d450
mov eax, dword [esp + 0x1c]
mov ecx, dword [0x68e290]
push 1
mov dword [esp + 0x30], 0
mov dword [eax], ecx
mov eax, dword [esp + 0x20]
mov dx, word [ebx + 0xa]
mov word [eax + 4], dx
mov edx, dword [esp + 0x20]
mov cx, word [ebx + 0xc]
mov word [edx + 6], cx
mov ecx, dword [esp + 0x20]
mov ax, word [ebx + 0xe]
mov word [ecx + 8], ax
mov eax, dword [esp + 0x20]
mov dx, word [ebx + 0x10]
mov word [eax + 0xa], dx
mov edx, dword [esp + 0x20]
mov cx, word [ebx + 0x12]
mov word [edx + 0xc], cx
mov ecx, dword [esp + 0x20]
mov eax, dword [ebx + 0x14]
mov dword [ecx + 0xe], eax
mov eax, dword [esp + 0x20]
mov edx, dword [ebx + 0x18]
mov dword [eax + 0x12], edx
mov edx, dword [esp + 0x20]
mov ecx, dword [ebx + 0x1c]
mov dword [edx + 0x16], ecx
mov eax, dword [esp + 0x20]
mov word [eax + 0x1a], si
mov ecx, dword [esp + 0x20]
mov word [ecx + 0x1c], di
mov edx, dword [esp + 0x20]
mov esi, dword [ebx + 0x3c]
mov ecx, ebp
mov eax, ecx
lea edi, [edx + 0x1e]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, dword [esp + 0x14]
mov edx, dword [esp + 0x20]
mov esi, dword [ebx + 0x30]
mov eax, ecx
lea edi, [edx + ebp + 0x1e]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov edi, dword [esp + 0x18]
mov ecx, dword [esp + 0x20]
mov esi, dword [esp + 0x38]
push edi
push ecx
mov ecx, esi
call fcn.0053d050
lea ecx, [ebx + 0x2c]
call fcn.0053d500
mov ecx, esi
call fcn.0053c5e0
mov ecx, esi
mov word [ebx + 0x20], ax
call fcn.0053d360
sub eax, edi
lea ecx, [esp + 0x18]
mov dword [ebx + 0x28], eax
mov dword [esp + 0x2c], 0xffffffff
call fcn.0053d4d0
mov ecx, dword [esp + 0x24]
pop edi
pop esi
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x20
ret 4
Function at 0x53c720
Capabilities:
Get disk size

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x62c028
push eax
mov al, byte [esp + 0x10]
mov dword fs:[0], esp
sub esp, 0x20
test al, al
push ebx
push ebp
push esi
mov esi, ecx
jne 0x53c88f
mov eax, dword [esi + 0x30]
mov edx, dword [esi + 0x48]
add edx, eax
test eax, eax
mov dword [esi + 0x48], edx
je 0x53c76c
mov ecx, dword [esi + 0x1c]
mov edx, dword [esi + 0x40]
push eax
push edx
mov ebx, dword [ecx]
call dword [ebx + 0x38]
mov dword [esi + 0x30], 0
mov eax, dword [esi + 0x24]
or ebp, 0xffffffff
cmp eax, 1
jne 0x53c7f5
mov ecx, dword [esi + 0x1c]
lea edx, [esp + 0x14]
push edx
mov eax, dword [ecx]
call dword [eax + 0x18]
mov eax, dword [eax]
mov dword [esp + 0x34], 0
push eax
lea eax, [esp + 0x14]
push eax
call fcn.0053a040
mov eax, dword [eax]
add esp, 8
lea ecx, [esp + 0x24]
lea edx, [esp + 0x20]
push ecx
push edx
lea ecx, [esp + 0x24]
lea edx, [esp + 0x20]
push ecx
push edx
push eax
call dword [sym.imp.KERNEL32.dll_GetDiskFreeSpaceW]
test eax, eax
lea ecx, [esp + 0x10]
sete bl
call fcn.005ef235
lea ecx, [esp + 0x14]
mov dword [esp + 0x34], ebp
call fcn.005ef235
test bl, bl
je 0x53c7dc
xor eax, eax
jmp 0x53c7f2
mov eax, dword [esp + 0x18]
mov dword [esp + 0x28], 0
imul eax, dword [esp + 0x1c]
imul eax, dword [esp + 0x20]
mov dword [esi + 0x34], eax
mov eax, dword [esi + 0x24]
mov ebx, 2
cmp eax, ebx
jne 0x53c880
mov al, byte [esi + 0x4c]
test al, al
je 0x53c880
mov ecx, dword [esi + 0x1c]
lea edx, [esp + 0xc]
push edx
mov eax, dword [ecx]
call dword [eax + 0x18]
push 0
lea eax, [esp + 0x40]
push 1
push eax
mov ecx, esi
mov dword [esp + 0x40], 1
call fcn.0053c8d0
mov ecx, dword [esi + 0x1c]
mov byte [esp + 0x34], bl
mov edx, dword [ecx]
call dword [edx + 0x4c]
mov eax, dword [esp + 0x3c]
push eax
call fcn.005391d0
add esp, 4
test eax, eax
je 0x53c854
mov ecx, dword [esp + 0x3c]
push ecx
call fcn.005f56a5
mov edx, dword [esp + 0x3c]
mov eax, dword [esp + 0xc]
push edx
push eax
call fcn.005f5683
lea ecx, [esp + 0x3c]
mov byte [esp + 0x34], 1
call fcn.005ef235
lea ecx, [esp + 0xc]
mov dword [esp + 0x34], ebp
call fcn.005ef235
jmp 0x53c89f
mov ecx, dword [esi + 0x1c]
cmp dword [ecx + 4], ebp
je 0x53c89f
mov edx, dword [ecx]
call dword [edx + 0x4c]
jmp 0x53c89f
mov ecx, dword [esi + 0x1c]
or ebp, 0xffffffff
cmp dword [ecx + 4], ebp
je 0x53c89f
mov eax, dword [ecx]
call dword [eax + 0x4c]
lea ecx, [esi + 0x3c]
call fcn.0053d500
mov ecx, dword [esp + 0x2c]
mov dword [esi + 0x50], ebp
mov dword [esi + 0x24], 0
mov dword [esi + 0x1c], 0
pop esi
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x2c
ret 4
Function at 0x53c8d0
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x62c09e
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x18
mov eax, dword [esp + 0x30]
push ebx
xor ebx, ebx
push esi
test eax, eax
mov esi, ecx
mov dword [esp + 8], ebx
jne 0x53c916
mov ecx, dword [esi + 0x1c]
lea edx, [esp + 0x18]
push edx
mov eax, dword [ecx]
call dword [eax + 0x18]
mov ebx, 1
mov dword [esp + 8], ebx
mov eax, dword [eax]
mov dword [esp + 0x28], ebx
push eax
lea ecx, [esp + 0x10]
call fcn.005ef2a9
test bl, 1
mov dword [esp + 0x28], 3
je 0x53c93d
and ebx, 0xfffffffe
lea ecx, [esp + 0x18]
mov dword [esp + 8], ebx
call fcn.005ef235
mov eax, dword [esp + 0xc]
lea ecx, [esp + 0x14]
push eax
push ecx
call fcn.00538b60
mov edx, dword [esp + 0x14]
lea eax, [esp + 0x18]
push edx
push eax
mov byte [esp + 0x38], 4
call fcn.00538c80
add esp, 0x10
mov ecx, dword [0x67f740]
mov dword [esp + 0x38], ecx
mov al, byte [esp + 0x34]
mov byte [esp + 0x28], 6
test al, al
je 0x53c98a
push 0x68e2a4
lea ecx, [esp + 0x3c]
call fcn.005ef3cc
jmp 0x53c9a0
mov edx, dword [esi + 0x50]
lea eax, [esp + 0x38]
push edx
push 0x68e298
push eax
call fcn.005e6f56
add esp, 0xc
lea ecx, [esp + 0x10]
lea edx, [esp + 0x14]
push ecx
lea eax, [esp + 0x20]
push edx
push eax
call fcn.005ef474
push 0x67ec98
lea ecx, [esp + 0x38]
push eax
push ecx
mov byte [esp + 0x34], 7
call fcn.005ef4da
mov esi, dword [esp + 0x30]
lea edx, [esp + 0x38]
push edx
push eax
push esi
mov byte [esp + 0x34], 8
call fcn.005ef474
or ebx, 2
mov dword [esp + 8], ebx
lea ecx, [esp + 0x34]
mov byte [esp + 0x28], 7
call fcn.005ef235
lea ecx, [esp + 0x1c]
mov byte [esp + 0x28], 6
call fcn.005ef235
lea ecx, [esp + 0x38]
mov byte [esp + 0x28], 5
call fcn.005ef235
lea ecx, [esp + 0x10]
mov byte [esp + 0x28], 4
call fcn.005ef235
lea ecx, [esp + 0x14]
mov byte [esp + 0x28], 3
call fcn.005ef235
lea ecx, [esp + 0xc]
mov byte [esp + 0x28], 0
call fcn.005ef235
mov ecx, dword [esp + 0x20]
mov eax, esi
pop esi
pop ebx
mov dword fs:[0], ecx
add esp, 0x24
ret 0xc
Function at 0x53ce90
Capabilities:
Get disk size

Disassembly:
push 0xffffffffffffffff
push 0x62c168
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x18
mov ecx, dword [ecx + 0x1c]
lea edx, [esp + 4]
push ebx
push edx
mov eax, dword [ecx]
call dword [eax + 0x18]
mov eax, dword [eax]
mov dword [esp + 0x24], 0
push eax
lea eax, [esp + 8]
push eax
call fcn.0053a040
mov eax, dword [eax]
add esp, 8
lea ecx, [esp + 0x18]
lea edx, [esp + 0x14]
push ecx
push edx
lea ecx, [esp + 0x18]
lea edx, [esp + 0x14]
push ecx
push edx
push eax
call dword [sym.imp.KERNEL32.dll_GetDiskFreeSpaceW]
test eax, eax
lea ecx, [esp + 4]
sete bl
call fcn.005ef235
lea ecx, [esp + 8]
mov dword [esp + 0x24], 0xffffffff
call fcn.005ef235
test bl, bl
pop ebx
je 0x53cf20
xor eax, eax
mov ecx, dword [esp + 0x18]
mov dword fs:[0], ecx
add esp, 0x24
ret
mov eax, dword [esp + 8]
mov ecx, dword [esp + 0x18]
imul eax, dword [esp + 0xc]
imul eax, dword [esp + 0x10]
mov dword fs:[0], ecx
add esp, 0x24
ret

Function at 0x541803
Capabilities:
Check if file exists
Get file attributes

Disassembly:
push dword [esp + 4]
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x541823
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0042ee40
pop ecx
or eax, 0xffffffff
ret
test al, 1
je 0x541846
test byte [esp + 8], 2
je 0x541846
call fcn.0042eeb3
mov dword [eax], 0xd
call fcn.0042eebc
mov dword [eax], 5
jmp 0x54181f
xor eax, eax
ret

Function at 0x542f30
Capabilities:
Create thread
Resume thread

Disassembly:
push esi
mov esi, ecx
mov eax, dword [esi + 8]
test eax, eax
jne 0x542f80
lea eax, [esi + 4]
push eax
push 4
push esi
push 0x543150
push 0
push 0
call fcn.0042e0fc
add esp, 0x18
mov dword [esi + 8], eax
test eax, eax
je 0x542f80
mov ecx, dword [esi + 0x1c]
mov dword [esi + 0xc], 1
test ecx, ecx
je 0x542f6f
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_SetThreadPriority]
mov ecx, dword [esi + 8]
push ecx
call dword [sym.imp.KERNEL32.dll_ResumeThread]
mov eax, 1
pop esi
ret
xor eax, eax
pop esi
ret

Function at 0x542fd0
Capabilities:
Terminate thread

Disassembly:
sub esp, 8
push esi
mov esi, ecx
mov eax, dword [esi + 8]
test eax, eax
jne 0x542fe4
xor eax, eax
pop esi
add esp, 8
ret
mov eax, dword [esi + 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_SetEvent]
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 0x18]
mov edx, dword [esi + 8]
mov dword [esp + 4], ecx
push eax
lea ecx, [esp + 8]
push 0
push ecx
push 2
mov dword [esp + 0x18], edx
call dword [sym.imp.KERNEL32.dll_WaitForMultipleObjects]
mov edx, dword [esi + 8]
push 0x3e8
push edx
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
cmp eax, 0x102
jne 0x543031
mov eax, dword [esi + 8]
push 0
push eax
call dword [sym.imp.KERNEL32.dll_TerminateThread]
mov ecx, dword [esi + 0x10]
push edi
mov edi, dword [sym.imp.KERNEL32.dll_ResetEvent]
push ecx
call edi
mov edx, dword [esi + 0x14]
push edx
call edi
mov dword [esi + 0xc], 0
pop edi
mov eax, 1
pop esi
add esp, 8
ret
Function at 0x543790
Capabilities:
Access the windows event log

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x104
call fcn.0042ccd0
push ebx
push esi
push edi
push 0xfffffffffffffff4
call dword [sym.imp.KERNEL32.dll_GetStdHandle]
test eax, eax
je 0x5437d9
push eax
call dword [sym.imp.KERNEL32.dll_GetFileType]
test eax, eax
je 0x5437d9
mov ecx, dword [ebp + 8]
lea eax, [ebp + 0xc]
push eax
push ecx
push 0x683bf8
call fcn.00589ee0
add esp, 0xc
lea esp, [ebp - 0x110]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, dword [ebp + 8]
lea edx, [ebp + 0xc]
push edx
push eax
lea ecx, [ebp - 0x104]
push 0xff
push ecx
call fcn.0054105e
add esp, 0x10
mov byte [ebp - 5], 0
call dword [sym.imp.KERNEL32.dll_GetVersion]
cmp eax, 0x80000000
jae 0x5438eb
call dword [sym.imp.USER32.dll_GetDesktopWindow]
call dword [sym.imp.USER32.dll_GetProcessWindowStation]
mov ebx, eax
test ebx, ebx
je 0x5438eb
lea edx, [ebp - 4]
push edx
push 0
push 0
push 2
push ebx
call dword [sym.imp.USER32.dll_GetUserObjectInformationW]
test eax, eax
jne 0x5438eb
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0x7a
jne 0x5438eb
mov eax, dword [ebp - 4]
cmp eax, 0x200
ja 0x5438eb
lea esi, [eax + 1]
and esi, 0xfffffffe
mov dword [ebp - 4], esi
lea eax, [esi + 2]
add eax, 3
and al, 0xfc
call fcn.0042ccd0
lea eax, [ebp - 4]
mov edi, esp
push eax
push esi
push edi
push 2
push ebx
call dword [sym.imp.USER32.dll_GetUserObjectInformationW]
test eax, eax
je 0x5438eb
mov ecx, dword [ebp - 4]
push 0x63f6b8
push edi
lea eax, [ecx + 1]
and al, 0xfe
mov dword [ebp - 4], eax
shr eax, 1
mov word [edi + eax*2], 0
call fcn.0042c56e
add esp, 8
test eax, eax
je 0x5438eb
push str.OPENSSL
push 0
call dword [sym.imp.ADVAPI32.dll_RegisterEventSourceA]
mov esi, eax
lea eax, [ebp - 4]
push 0
push eax
push 0
push 1
push 0
push 0
push 0
lea edx, [ebp - 0x104]
push 1
push esi
mov dword [ebp - 4], edx
call dword [sym.imp.ADVAPI32.dll_ReportEventA]
push esi
call dword [sym.imp.ADVAPI32.dll_DeregisterEventSource]
lea esp, [ebp - 0x110]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push 0x10
lea ecx, [ebp - 0x104]
push str.OpenSSL:_FATAL
push ecx
push 0
call dword [sym.imp.USER32.dll_MessageBoxA]
lea esp, [ebp - 0x110]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x546d80
Capabilities:
Encode data using base64

Disassembly:
push ebp
push edi
mov edi, dword [esp + 0x14]
xor ebp, ebp
test edi, edi
jle 0x546e66
mov ecx, dword [esp + 0xc]
push ebx
push esi
mov esi, dword [esp + 0x18]
cmp edi, 3
jl 0x546df3
xor edx, edx
xor eax, eax
mov dh, byte [esi]
mov al, byte [esi + 2]
mov dl, byte [esi + 1]
shl edx, 8
or edx, eax
mov eax, edx
shr eax, 0x12
and eax, 0x3f
inc ecx
mov al, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [ecx - 1], al
mov eax, edx
shr eax, 0xc
and eax, 0x3f
inc ecx
mov al, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [ecx - 1], al
mov eax, edx
shr eax, 6
and eax, 0x3f
inc ecx
and edx, 0x3f
mov al, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [ecx - 1], al
mov dl, byte [edx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [ecx], dl
jmp 0x546e4a
xor edx, edx
mov dl, byte [esi]
shl edx, 0x10
cmp edi, 2
jne 0x546e06
xor eax, eax
mov ah, byte [esi + 1]
or edx, eax
mov eax, edx
shr eax, 0x12
and eax, 0x3f
inc ecx
mov al, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [ecx - 1], al
mov eax, edx
shr eax, 0xc
and eax, 0x3f
inc ecx
cmp edi, 1
mov al, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [ecx - 1], al
jne 0x546e36
mov ebx, 0x3d
jmp 0x546e44
shr edx, 6
and edx, 0x3f
xor ebx, ebx
mov bl, byte [edx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [ecx], bl
inc ecx
mov byte [ecx], 0x3d
sub edi, 3
inc ecx
add ebp, 4
add esi, 3
test edi, edi
jg 0x546d9a
pop esi
pop ebx
mov eax, ebp
pop edi
mov byte [ecx], 0
pop ebp
ret
mov ecx, dword [esp + 0xc]
mov eax, ebp
pop edi
pop ebp
mov byte [ecx], 0
ret
Function at 0x547240
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
mov eax, 0x80
call fcn.0042ccd0
push ebx
push ebp
push esi
mov esi, dword [esp + 0x9c]
xor eax, eax
push edi
test esi, esi
je 0x54726b
mov ebx, dword [esp + 0x94]
mov eax, 1
mov dword [ebx], esi
jmp 0x54727d
mov ebx, dword [esp + 0x94]
mov ecx, dword [ebx]
mov dword [esp + 0xa0], ecx
mov esi, ecx
mov ecx, dword [esp + 0x98]
test ecx, ecx
je 0x5473e9
push esi
call fcn.0054ed10
mov edi, eax
add esp, 4
cmp edi, 0x80
jle 0x5472b3
push str.j____int_sizeof_ctx__key_
push 0x54
push str..cryptohmachmac.c
call fcn.00543910
add esp, 0xc
mov ebp, dword [esp + 0x9c]
cmp edi, ebp
jge 0x5472f2
mov edx, dword [esp + 0xa4]
lea edi, [ebx + 4]
push edx
push esi
push edi
call fcn.005462c0
mov eax, dword [esp + 0xa4]
push ebp
push eax
push edi
call fcn.00546430
lea esi, [ebx + 0x34]
lea ecx, [ebx + 0x38]
push esi
push ecx
push edi
call fcn.00546530
add esp, 0x24
jmp 0x547331
test ebp, ebp
jl 0x5472fe
cmp ebp, 0x80
jle 0x547312
push str.len_0__len__int_sizeof_ctx__key_
push 0x5e
push str..cryptohmachmac.c
call fcn.00543910
add esp, 0xc
mov esi, dword [esp + 0x98]
mov ecx, ebp
mov edx, ecx
lea edi, [ebx + 0x38]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea esi, [ebx + 0x34]
mov dword [esi], ebp
mov esi, dword [esi]
cmp esi, 0x80
je 0x547356
mov ecx, 0x80
xor eax, eax
sub ecx, esi
lea edi, [esi + ebx + 0x38]
mov edx, ecx
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
and ecx, 3
rep stosb byte es:[edi], al
mov esi, dword [esp + 0xa0]
xor eax, eax
mov cl, byte [ebx + eax + 0x38]
xor cl, 0x36
mov byte [esp + eax + 0x10], cl
inc eax
cmp eax, 0x80
jl 0x54735f
mov ebp, dword [esp + 0xa4]
lea edi, [ebx + 0x14]
push ebp
push esi
push edi
call fcn.005462c0
push esi
call fcn.0054ed10
lea edx, [esp + 0x20]
push eax
push edx
push edi
call fcn.00546430
add esp, 0x1c
xor eax, eax
mov cl, byte [ebx + eax + 0x38]
xor cl, 0x5c
mov byte [esp + eax + 0x10], cl
inc eax
cmp eax, 0x80
jl 0x54739b
lea edi, [ebx + 0x24]
push ebp
push esi
push edi
call fcn.005462c0
push esi
call fcn.0054ed10
lea edx, [esp + 0x20]
push eax
push edx
push edi
call fcn.00546430
add esp, 0x1c
lea eax, [ebx + 0x14]
add ebx, 4
push eax
push ebx
call fcn.005465e0
add esp, 8
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x80
ret
test eax, eax
je 0x5473ce
jmp 0x54735d
Function at 0x54b8d0
Capabilities:
Encode data using add xor sub operations
Encode data using xor

Disassembly:
push esi
push edi
mov edi, dword [esp + 0xc]
xor esi, esi
test edi, edi
je 0x54b931
mov al, byte [edi]
test al, al
je 0x54b931
push ebx
push ebp
mov ebx, 0x100
movsx eax, al
or eax, ebx
mov ebp, esi
mov edx, eax
mov ecx, eax
shr edx, 2
and edx, 0xf
and ecx, 0xf
xor edx, ecx
mov ecx, 0x20
sub ecx, edx
add ebx, 0x100
shr ebp, cl
mov ecx, edx
mov edx, eax
imul edx, eax
shl esi, cl
mov al, byte [edi + 1]
or ebp, esi
xor ebp, edx
inc edi
test al, al
mov esi, ebp
jne 0x54b8e9
mov eax, esi
pop ebp
shr eax, 0x10
pop ebx
xor eax, esi
pop edi
pop esi
ret
pop edi
xor eax, eax
pop esi
ret
Function at 0x54d520
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x20
call fcn.0042ccd0
push ebx
mov ebx, dword [esp + 0x30]
push ebp
push esi
test ebx, ebx
push edi
jle 0x54d674
cmp ebx, 0x80
jg 0x54d674
mov edi, dword [esp + 0x44]
mov eax, edi
mov ecx, dword [eax]
mov dword [esp + 0x10], ecx
mov edx, dword [eax + 4]
mov dword [esp + 0x14], edx
mov ecx, dword [eax + 8]
mov dword [esp + 0x18], ecx
mov edx, dword [eax + 0xc]
mov eax, dword [esp + 0x40]
push eax
push edi
push edi
mov dword [esp + 0x28], edx
call fcn.0054de30
lea eax, [ebx + 7]
add esp, 0xc
cdq
and edx, 7
add eax, edx
mov ebp, eax
mov eax, dword [esp + 0x48]
sar ebp, 3
test eax, eax
je 0x54d5b7
test ebp, ebp
jle 0x54d605
mov edx, dword [esp + 0x34]
mov ebx, dword [esp + 0x38]
lea esi, [esp + 0x20]
sub edx, edi
sub esi, edi
mov ecx, edi
sub ebx, edi
mov al, byte [edx + ecx]
xor al, byte [ecx]
inc ecx
dec ebp
mov byte [esi + ecx - 1], al
mov byte [ebx + ecx - 1], al
jne 0x54d5a4
jmp 0x54d601
xor esi, esi
test ebp, ebp
jle 0x54d605
mov eax, dword [esp + 0x34]
lea ecx, [esp + 0x20]
mov ebx, edi
lea edx, [esp + 0x20]
sub eax, ecx
mov ecx, dword [esp + 0x38]
sub ebx, edx
lea edx, [esp + 0x20]
sub ecx, edx
mov dword [esp + 0x34], ebx
mov dword [esp + 0x38], ecx
jmp 0x54d5e7
mov ebx, dword [esp + 0x34]
lea ecx, [esp + esi + 0x20]
mov dl, byte [eax + ecx]
mov bl, byte [ebx + ecx]
mov byte [ecx], dl
xor bl, dl
mov edx, dword [esp + 0x38]
inc esi
cmp esi, ebp
mov byte [edx + ecx], bl
jl 0x54d5e3
mov ebx, dword [esp + 0x3c]
mov ebp, ebx
and ebp, reloc.OLEAUT32.dll_VariantInit
jns 0x54d614
dec ebp
or ebp, 0xfffffff8
inc ebp
mov eax, ebx
cdq
and edx, 7
add eax, edx
sar eax, 3
test ebp, ebp
jne 0x54d645
lea eax, [esp + eax + 0x10]
mov ecx, dword [eax]
mov dword [edi], ecx
mov edx, dword [eax + 4]
mov dword [edi + 4], edx
mov ecx, dword [eax + 8]
mov dword [edi + 8], ecx
mov edx, dword [eax + 0xc]
mov dword [edi + 0xc], edx
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x20
ret
mov ecx, 8
xor esi, esi
sub ecx, ebp
lea eax, [esp + eax + 0x10]
mov dword [esp + 0x3c], ecx
jmp 0x54d65c
mov ecx, dword [esp + 0x3c]
mov dl, byte [eax + esi + 1]
mov bl, byte [eax + esi]
shr dl, cl
mov ecx, ebp
shl bl, cl
or dl, bl
mov byte [esi + edi], dl
inc esi
cmp esi, 0x10
jl 0x54d658
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x20
ret
Function at 0x5525e0
Capabilities:
Hash data using sha1

Disassembly:
mov eax, dword [esp + 4]
xor ecx, ecx
mov dword [eax], 0x67452301
mov dword [eax + 4], 0xefcdab89
mov dword [eax + 8], 0x98badcfe
mov dword [eax + 0xc], 0x10325476
mov dword [eax + 0x10], 0xc3d2e1f0
mov dword [eax + 0x14], ecx
mov dword [eax + 0x18], ecx
mov dword [eax + 0x5c], ecx
mov eax, 1
ret
Function at 0x553ef0
Capabilities:
Hash data using sha224

Disassembly:
mov eax, dword [esp + 4]
xor ecx, ecx
mov dword [eax], 0xc1059ed8
mov dword [eax + 4], 0x367cd507
mov dword [eax + 8], 0x3070dd17
mov dword [eax + 0xc], 0xf70e5939
mov dword [eax + 0x10], 0xffc00b31
mov dword [eax + 0x14], 0x68581511
mov dword [eax + 0x18], 0x64f98fa7
mov dword [eax + 0x1c], 0xbefa4fa4
mov dword [eax + 0x20], ecx
mov dword [eax + 0x24], ecx
mov dword [eax + 0x68], ecx
mov dword [eax + 0x6c], 0x1c
mov eax, 1
ret

Function at 0x553f50
Capabilities:
Hash data using sha256

Disassembly:
mov eax, dword [esp + 4]
xor ecx, ecx
mov dword [eax], 0x6a09e667
mov dword [eax + 4], 0xbb67ae85
mov dword [eax + 8], 0x3c6ef372
mov dword [eax + 0xc], 0xa54ff53a
mov dword [eax + 0x10], 0x510e527f
mov dword [eax + 0x14], 0x9b05688c
mov dword [eax + 0x18], 0x1f83d9ab
mov dword [eax + 0x1c], 0x5be0cd19
mov dword [eax + 0x20], ecx
mov dword [eax + 0x24], ecx
mov dword [eax + 0x68], ecx
mov dword [eax + 0x6c], 0x20
mov eax, 1
ret