joyce8/EMBER2024-capa huggingface dataset:
Function at 0x514640
Capabilities:
Resolve dns

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [ebp + 0x14]
push ebx
xor ebx, ebx
mov dword [ebp - 0xc], ebx
mov dword [eax], ebx
lea eax, [ebp - 0x10]
push eax
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov dword [ebp - 0x14], eax
test eax, eax
jne 0x5147bd
push esi
mov esi, dword [ebp - 0x10]
test esi, esi
je 0x5147a9
push edi
nop dword [eax]
mov eax, dword [esi + 0x14]
test eax, eax
je 0x51469e
lea edx, [eax + 1]
nop word [eax + eax]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x514690
sub eax, edx
lea ecx, [eax + 1]
jmp 0x5146a0
xor ecx, ecx
mov eax, dword [esi + 4]
mov dword [ebp - 8], ecx
cmp eax, 2
jne 0x5146b2
mov eax, 0x10
jmp 0x5146c0
cmp eax, 0x17
jne 0x514765
mov eax, 0x1c
cmp dword [esi + 0x18], 0
mov dword [ebp - 4], eax
je 0x514765
mov edx, dword [esi + 0x10]
test edx, edx
je 0x514765
cmp edx, eax
jb 0x514765
add ecx, 0x20
add eax, ecx
push eax
call dword [0x6244c4]
mov edi, eax
add esp, 4
test edi, edi
je 0x51479e
mov ecx, dword [esi]
mov dword [edi], ecx
mov ecx, dword [esi + 4]
mov dword [edi + 4], ecx
mov ecx, dword [esi + 8]
mov dword [edi + 8], ecx
mov eax, dword [esi + 0xc]
mov ecx, dword [ebp - 4]
mov dword [edi + 0xc], eax
lea eax, [edi + 0x20]
push ecx
mov dword [edi + 0x10], ecx
mov dword [edi + 0x14], 0
mov dword [edi + 0x1c], 0
mov dword [edi + 0x18], eax
push dword [esi + 0x18]
push eax
call fcn.0058cce0
mov edx, dword [ebp - 8]
add esp, 0xc
test edx, edx
je 0x514753
mov eax, dword [edi + 0x18]
add eax, dword [ebp - 4]
push edx
mov dword [edi + 0x14], eax
push dword [esi + 0x14]
push eax
call fcn.0058cce0
add esp, 0xc
mov eax, dword [ebp - 0xc]
test ebx, ebx
cmove ebx, edi
test eax, eax
je 0x514762
mov dword [eax + 0x1c], edi
mov dword [ebp - 0xc], edi
mov esi, dword [esi + 0x1c]
test esi, esi
jne 0x514680
mov esi, dword [ebp - 0x14]
mov eax, dword [ebp - 0x10]
pop edi
test eax, eax
je 0x514782
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test esi, esi
je 0x5147a5
push ebx
call fcn.00514610
mov eax, dword [ebp + 0x14]
add esp, 4
xor ebx, ebx
mov dword [eax], ebx
mov eax, esi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov esi, 8
jmp 0x514773
test ebx, ebx
jne 0x5147b5
mov esi, 0x2af9
push esi
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [ebp + 0x14]
mov dword [eax], ebx
mov eax, esi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x514a80
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push 0
push 0
push dword [ebp + 0xc]
push dword [ebp + 8]
push 0
push 0
call fcn.0059495f
add esp, 0x18
test eax, eax
je 0x514aa2
cmp eax, 0xffffffff
jne 0x514aa4
xor eax, eax
pop ebp
ret

Function at 0x514c00
Capabilities:
Generate random numbers via winapi

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0xc]
push 0
push dword [ebp + 8]
call fcn.0058d810
add esp, 0xc
push 2
push dword [ebp + 0xc]
push dword [ebp + 8]
push 0
call sub.bcrypt.dll_BCryptGenRandom
neg eax
sbb eax, eax
and eax, 2
pop ebp
ret
Function at 0x517170
Capabilities:
Hash data via wincrypt
Initialize hashing via wincrypt

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
push esi
mov esi, dword [ebp + 0x14]
push esi
push 0
push dword [ebp + 0x10]
mov dword [ebp - 8], 0
mov dword [ebp - 4], 0
mov dword [ebp - 0xc], 0
mov dword [ebp - 0x10], 4
mov dword [ebp + 0x14], esi
call fcn.0058d810
add esp, 0xc
lea eax, [ebp - 8]
push 0xf0000040
push dword [ebp + 0x18]
push 0
push 0
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x51723e
lea eax, [ebp - 4]
push eax
push 0
push 0
push dword [ebp + 0x1c]
push dword [ebp - 8]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
test eax, eax
je 0x517220
push 0
push dword [ebp + 0xc]
push dword [ebp + 8]
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_CryptHashData]
test eax, eax
je 0x517220
push 0
lea eax, [ebp - 0x10]
push eax
lea eax, [ebp - 0xc]
push eax
push 4
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_CryptGetHashParam]
test eax, eax
je 0x517220
cmp esi, dword [ebp - 0xc]
jb 0x517220
push 0
lea eax, [ebp + 0x14]
push eax
push dword [ebp + 0x10]
push 2
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_CryptGetHashParam]
mov eax, dword [ebp - 4]
test eax, eax
je 0x51722e
push eax
call dword [sym.imp.ADVAPI32.dll_CryptDestroyHash]
mov eax, dword [ebp - 8]
test eax, eax
je 0x51723e
push 0
push eax
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
pop esi
mov esp, ebp
pop ebp
ret

Function at 0x518fe0
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.00518f50
Function at 0x51e920
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x624500]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
lea ecx, [ebp - 0x88]
push ecx
lea ecx, [ebp - 0x84]
or esi, 0xffffffff
push ecx
mov ebx, dword [edi + 0xc]
mov eax, dword [ebx + 0x134]
push eax
mov dword [ebp - 0x8c], eax
mov dword [ebp - 0x88], 0x80
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x51e994
lea eax, [ebp - 0x88]
mov dword [ebp - 0x88], 0x80
push eax
lea eax, [ebp - 0x84]
push eax
push dword [ebp - 0x8c]
call dword [sym.imp.WS2_32.dll_accept]
mov esi, eax
push dword [ebp - 0x8c]
push ebx
push edi
call fcn.00501890
add esp, 0xc
cmp esi, 0xffffffff
jne 0x51e9cd
push str.Error_accept__ing_server_connect
push edi
call fcn.00500ec0
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00539e65
mov esp, ebp
pop ebp
ret
push str.Connection_accepted_from_server
push edi
call fcn.00500f80
push 1
push esi
mov byte [ebx + 0x24d], 0
mov dword [ebx + 0x134], esi
call fcn.0052d800
add esp, 0x10
mov byte [ebx + 0x260], 1
cmp dword [edi + 0x1b0], 0
je 0x51ea4a
push 1
push edi
call fcn.004f87e0
mov eax, dword [edi + 0x1b0]
push 1
push esi
push dword [edi + 0x1b4]
call eax
push 0
push edi
mov esi, eax
call fcn.004f87e0
add esp, 0x1c
test esi, esi
je 0x51ea4a
push ebx
push edi
call fcn.0051ee90
add esp, 8
mov eax, 0x2a
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00539e65
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
xor eax, eax
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00539e65
mov esp, ebp
pop ebp
ret

Function at 0x520ec0
Capabilities:
Check http status code

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 0xc]
push ebx
push esi
mov esi, dword [ebp + 8]
push edi
lea eax, [ecx - 0xc8]
xor edi, edi
mov ebx, dword [esi + 0xc]
cmp eax, 0x64
jb 0x520ef2
push str.Couldnt_set_desired_mode
push esi
call fcn.00500ec0
add esp, 8
lea eax, [edi + 0x11]
pop edi
pop esi
pop ebx
pop ebp
ret
cmp ecx, 0xc8
je 0x520f09
push ecx
push str.Got_a__03d_response_code_instead_of_the_assumed_200
push esi
call fcn.00500f80
add esp, 0xc
mov eax, dword [ebp + 0x10]
cmp eax, 0x13
jne 0x520f22
push ebx
push esi
call fcn.00520b60
add esp, 8
mov edi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x14
jne 0x520f37
push esi
call fcn.0051fb70
add esp, 4
mov edi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x15
jne 0x520f4c
push esi
call fcn.00520b40
add esp, 4
mov edi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x16
jne 0x520f5c
push esi
call fcn.00520da0
add esp, 4
mov edi, eax
mov eax, edi
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x527420
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 0x10]
push ebx
mov ebx, dword [ebp + 0xc]
push esi
mov esi, dword [ebp + 8]
push 0
mov byte [ebp + 0xa], cl
lea ecx, [ebp + 8]
push 3
mov eax, dword [esi + 0xc]
push ecx
mov byte [ebp + 8], 0xff
mov byte [ebp + 9], bl
push dword [eax + 0x130]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x527468
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push esi
call fcn.00500ec0
add esp, 0xc
push dword [ebp + 0x10]
push ebx
push str.SENT
push esi
call fcn.00526cd0
add esp, 0x10
pop esi
pop ebx
pop ebp
ret

Function at 0x5275a0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
cmp dword [ebp + 0xc], 0x1f
push ebx
mov ebx, dword [ebp + 8]
mov eax, dword [ebx + 0x134]
mov ecx, dword [ebx + 0xc]
mov dword [ebp - 4], eax
mov dword [ebp - 8], ecx
jne 0x5276fe
push edi
lea ecx, [eax + 0x1cb4]
lea edi, [eax + 0x1eb4]
mov dword [edi], ecx
cmp ecx, edi
jae 0x5275f1
mov byte [ecx], 0xff
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x5275f1
mov byte [ecx], 0xfa
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x5275f1
mov byte [ecx], 0x1f
inc dword [edi]
movzx eax, word [eax + 0x1ca8]
push esi
mov esi, dword [sym.imp.WS2_32.dll_htons]
push eax
call esi
movzx eax, ax
mov dword [ebp + 8], eax
mov eax, dword [ebp - 4]
movzx eax, word [eax + 0x1caa]
push eax
call esi
mov edx, dword [ebp + 8]
movzx ecx, ax
mov eax, dword [edi]
cmp eax, edi
jae 0x52765d
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x52765d
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x52765d
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x52765d
shr ecx, 8
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x52765d
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x52765d
mov byte [eax], 0xf0
mov eax, dword [edi]
inc eax
mov esi, dword [ebp - 4]
mov dword [esi + 0x1eb8], eax
lea ecx, [esi + 0x1cb4]
sub eax, ecx
mov dword [edi], ecx
sub eax, 2
push eax
lea eax, [esi + 0x1cb6]
push eax
push 0x3e
push ebx
call fcn.00526dd0
add esp, 0x10
lea eax, [esi + 0x1cb4]
push 0
push 3
push eax
mov eax, dword [ebp - 8]
push dword [eax + 0x130]
call dword [sym.imp.WS2_32.dll_send]
mov edi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
jns 0x5276bb
call edi
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.00500ec0
add esp, 0xc
push 4
lea eax, [esi + 0x1cb7]
push eax
push ebx
call fcn.00527480
add esp, 0xc
lea eax, [esi + 0x1cbb]
push 0
push 2
push eax
mov eax, dword [ebp - 8]
push dword [eax + 0x130]
call dword [sym.imp.WS2_32.dll_send]
pop esi
test eax, eax
jns 0x5276fd
call edi
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.00500ec0
add esp, 0xc
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x5287e0
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x624500]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
push esi
push edi
mov eax, dword [ebx + 0xc]
mov edi, dword [eax + 0x420]
lea eax, [ebp - 0x88]
push eax
mov dword [ebp - 0x88], 0x80
lea eax, [ebp - 0x84]
push eax
mov eax, dword [edi + 0x13c]
lea esi, [edi + 0x148]
push 0
add eax, 4
push eax
push dword [esi]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_recvfrom]
cmp dword [edi + 0x130], 0
mov dword [edi + 0x134], eax
jne 0x52886e
push dword [ebp - 0x88]
lea eax, [ebp - 0x84]
push eax
lea eax, [edi + 0xb0]
push eax
call fcn.0058cce0
mov eax, dword [ebp - 0x88]
add esp, 0xc
mov dword [edi + 0x130], eax
mov edx, dword [edi + 0x134]
cmp edx, 4
jge 0x5288a1
push str.Received_too_short_packet
push ebx
call fcn.00500ec0
add esp, 8
mov dword [edi + 0xc], 7
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00539e65
mov esp, ebp
pop ebp
ret
push esi
call fcn.005283f0
movzx eax, ax
add esp, 4
mov dword [edi + 0xc], eax
add eax, 0xfffffffd
cmp eax, 3
ja case.default.0x5288bc
jmp dword [eax*4 + 0x5289fc]
cmp edx, 4
jle case.0x5288bc.4
push esi
call fcn.005283d0
movzx ecx, word [edi + 0x144]
add esp, 4
inc ecx
cmp cx, ax
jne case.0x5288bc.4
lea eax, [edx - 4]
push eax
mov eax, dword [esi]
add eax, 4
push eax
push 1
push ebx
call fcn.00500e30
mov esi, eax
add esp, 0x10
test esi, esi
je 0x52891f
push 5
push edi
call fcn.00529240
add esp, 8
mov eax, esi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00539e65
mov esp, ebp
pop ebp
ret
mov eax, dword [edi + 0x134]
sub eax, 4
cdq
add dword [ebx + 0x90], eax
adc dword [ebx + 0x94], edx
push dword [ebx + 0x94]
push dword [ebx + 0x90]
push ebx
call fcn.0050d480
jmp 0x5289c7
mov eax, dword [esi]
lea esi, [edx - 4]
add eax, 4
mov dword [ebp - 0x8c], eax
lea eax, [edi + 0x148]
push eax
call fcn.005283d0
push esi
push dword [ebp - 0x8c]
movzx eax, ax
mov dword [edi + 8], eax
call fcn.00529370
add esp, 0xc
cmp eax, esi
jae case.0x5288bc.4
push dword [ebp - 0x8c]
push str.TFTP_error:__s
push ebx
call fcn.00500f80
jmp 0x5289c7
lea eax, [edx - 2]
push eax
mov eax, dword [esi]
add eax, 2
push eax
push edi
call fcn.005285b0
add esp, 0xc
test eax, eax
je case.0x5288bc.4
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00539e65
mov esp, ebp
pop ebp
ret
push str.Internal_error:_Unexpected_packet
push 0x6043c8
push ebx
call fcn.00500ec0
add esp, 0xc
push ebx
call fcn.0050d790
add esp, 4
test eax, eax
je 0x52888e
push 5
push edi
call fcn.00529240
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 0x2a
pop edi
pop esi
pop ebx
call fcn.00539e65
mov esp, ebp
pop ebp
ret
Function at 0x529240
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov edx, dword [eax]
mov ecx, dword [eax + 0x10]
cmp edx, 3
ja case.default.0x529250
jmp dword [edx*4 + 0x5292a4]
mov dword [ebp + 8], eax
pop ebp
jmp fcn.00528cf0
mov dword [ebp + 8], eax
pop ebp
jmp fcn.00528a10
mov dword [ebp + 8], eax
pop ebp
jmp fcn.005294a0
push str.TFTP_finished
push 0x6043c8
push ecx
call fcn.00500f80
add esp, 0xc
xor eax, eax
pop ebp
ret
push str.Internal_state_machine_error
push 0x6043c8
push ecx
call fcn.00500ec0
add esp, 0xc
mov eax, 0x47
pop ebp
ret
Function at 0x533800
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x124
mov eax, dword [0x624500]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
push esi
push edi
mov edi, dword [ebp + 0x10]
xor ebx, ebx
mov dword [ebp - 0x118], eax
xor esi, esi
mov eax, dword [ebp + 0xc]
push eax
mov dword [ebp - 0x108], eax
mov dword [ebp - 0x10c], edi
call fcn.00513700
add esp, 4
mov dword [ebp - 0x11c], eax
test eax, eax
jne 0x53387d
push 0x100
lea eax, [ebp - 0x104]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00512e50
push eax
push dword [ebp - 0x108]
push str.schannel:_invalid_path_name_for_CA_file__s:__s
push edi
call fcn.00500ec0
add esp, 0x1c
lea esi, [ebx + 0x4d]
jmp 0x5339de
push 0
push 0x80
push 3
push 0
push 1
push SysReAllocString
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 0x114], eax
cmp eax, 0xffffffff
jne 0x5338d8
push 0x100
lea eax, [ebp - 0x104]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00512e50
push eax
push dword [ebp - 0x108]
push str.schannel:_failed_to_open_CA_file__s:__s
push edi
call fcn.00500ec0
add esp, 0x1c
mov esi, 0x4d
jmp 0x5339de
lea ecx, [ebp - 0x124]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_GetFileSizeEx]
test eax, eax
jne 0x533921
push 0x100
lea eax, [ebp - 0x104]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00512e50
push eax
push dword [ebp - 0x108]
push str.schannel:_failed_to_determine_size_of_CA_file__s:__s
push edi
call fcn.00500ec0
add esp, 0x1c
mov esi, 0x4d
jmp 0x5339d2
mov edi, dword [ebp - 0x124]
cmp dword [ebp - 0x120], ebx
jl 0x533958
jg 0x533939
cmp edi, 0x100000
jbe 0x533958
push 0x100000
push str.schannel:_CA_file_exceeds_max_size_of__u_bytes
push dword [ebp - 0x10c]
call fcn.00500ec0
add esp, 0xc
mov esi, 0x4d
jmp 0x5339d2
lea eax, [edi + 1]
push eax
call dword [0x6244c4]
mov ebx, eax
add esp, 4
test ebx, ebx
jne 0x533970
lea esi, [eax + 0x1b]
jmp 0x5339d2
test edi, edi
je 0x5339b0
push 0
lea eax, [ebp - 0x110]
mov dword [ebp - 0x110], 0
push eax
mov eax, edi
sub eax, esi
push eax
lea eax, [esi + ebx]
push eax
push dword [ebp - 0x114]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x533a12
mov eax, dword [ebp - 0x110]
test eax, eax
je 0x533a0e
add esi, eax
cmp esi, edi
jb 0x533974
push dword [ebp - 0x10c]
mov byte [edi + ebx], 0
push dword [ebp - 0x108]
push edi
push ebx
push dword [ebp - 0x118]
call fcn.005335a0
add esp, 0x14
mov esi, eax
push dword [ebp - 0x114]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
call dword [0x6244c8]
mov eax, dword [ebp - 0x11c]
add esp, 4
test eax, eax
je 0x5339fb
push eax
call fcn.00594e3b
add esp, 4
mov ecx, dword [ebp - 4]
mov eax, esi
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00539e65
mov esp, ebp
pop ebp
ret
mov edi, esi
jmp 0x5339b0
push 0x100
lea eax, [ebp - 0x104]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00512e50
push eax
push dword [ebp - 0x108]
push str.schannel:_failed_to_read_from_CA_file__s:__s
push dword [ebp - 0x10c]
call fcn.00500ec0
add esp, 0x1c
mov esi, 0x4d
jmp 0x5339d2
Function at 0x536e00
Capabilities:
Get hostname

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 0xc]
push edi
mov edi, dword [ebp + 8]
push esi
push edi
mov byte [edi], 0
call dword [sym.imp.WS2_32.dll_gethostname]
mov byte [edi + esi - 1], 0
test eax, eax
jne 0x536e33
push 0x2e
push edi
call fcn.0058f240
add esp, 8
test eax, eax
je 0x536e31
mov byte [eax], 0
xor eax, eax
pop edi
pop esi
pop ebp
ret

Function at 0x537f80
Capabilities:
Create new key via cryptacquirecontext
Encrypt data using des via winapi
Encrypt or decrypt via wincrypt

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x24
mov eax, dword [0x624500]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 0xc]
lea eax, [ebp - 0x1c]
push edi
mov edi, dword [ebp + 0x10]
push 0xf0000040
push 1
push 0
push 0
push eax
mov dword [ebp - 0x20], 8
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x538012
lea eax, [ebp - 0xc]
mov dword [ebp - 0x18], 0x208
push eax
xorps xmm0, xmm0
mov dword [ebp - 0x14], 0x6601
push edi
movlpd qword [ebp - 0xc], xmm0
mov dword [ebp - 0x10], 8
call fcn.00538070
lea eax, [ebp - 0xc]
push 8
push eax
call fcn.00539d70
add esp, 0x10
lea eax, [ebp - 0x24]
push eax
push 0
push 0
push 0x14
lea eax, [ebp - 0x18]
push eax
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptImportKey]
test eax, eax
jne 0x538024
push eax
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
pop edi
xor al, al
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00539e65
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp + 8]
push dword [ebp - 0x20]
mov eax, dword [ecx]
mov dword [esi], eax
mov eax, dword [ecx + 4]
mov dword [esi + 4], eax
lea eax, [ebp - 0x20]
push eax
push esi
push 0
push 0
push 0
push dword [ebp - 0x24]
call dword [sym.imp.ADVAPI32.dll_CryptEncrypt]
push dword [ebp - 0x24]
call dword [sym.imp.ADVAPI32.dll_CryptDestroyKey]
push 0
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov ecx, dword [ebp - 4]
mov al, 1
pop edi
xor ecx, ebp
pop esi
call fcn.00539e65
mov esp, ebp
pop ebp
ret
Function at 0x538600
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push esi
mov esi, dword [ebp + 8]
push edi
mov ecx, dword [esi + 0xc]
mov eax, dword [esi + 0x14]
lea eax, [eax + ecx*2]
add eax, 0xc
push eax
call dword [0x6244c4]
mov edi, eax
add esp, 4
test edi, edi
jne 0x53862d
pop edi
pop esi
mov esp, ebp
pop ebp
ret
lea ecx, [edi + 0xc]
mov dword [edi], esi
mov dword [edi + 4], ecx
mov eax, dword [esi + 0xc]
add eax, ecx
push ebx
mov ebx, dword [ebp + 0x10]
mov dword [edi + 8], eax
cmp ebx, dword [esi + 0x10]
jbe 0x538677
mov eax, dword [esi]
push ecx
call eax
mov eax, dword [esi + 4]
push ebx
push dword [ebp + 0xc]
push dword [edi + 4]
call eax
mov eax, dword [edi + 8]
add eax, dword [esi + 0xc]
push dword [edi + 4]
mov dword [ebp - 4], eax
push eax
mov eax, dword [esi + 8]
call eax
mov ebx, dword [esi + 0x14]
add esp, 0x18
mov ecx, dword [edi + 4]
mov dword [ebp + 0x10], ebx
jmp 0x53867d
mov eax, dword [ebp + 0xc]
mov dword [ebp - 4], eax
mov eax, dword [esi]
push ecx
call eax
push dword [edi + 8]
mov eax, dword [esi]
call eax
mov eax, dword [ebp + 0x10]
add esp, 8
xor ebx, ebx
test eax, eax
je 0x5386db
mov ebx, dword [ebp - 4]
mov dword [ebp - 8], eax
nop dword [eax + eax]
movzx eax, byte [ebx]
xor al, 0x36
mov byte [ebp + 0xb], al
lea eax, [ebp + 0xb]
push 1
push eax
push dword [edi + 4]
mov eax, dword [esi + 4]
call eax
movzx eax, byte [ebx]
lea ebx, [ebx + 1]
xor al, 0x5c
mov byte [ebp + 0xb], al
lea eax, [ebp + 0xb]
push 1
push eax
push dword [edi + 8]
mov eax, dword [esi + 4]
call eax
add esp, 0x18
sub dword [ebp + 0x10], 1
jne 0x5386a0
mov ebx, dword [ebp - 8]
cmp ebx, dword [esi + 0x10]
jae 0x538707
mov eax, dword [esi + 4]
push 1
push 0x5eab80
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x5eab81
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x5386e0
pop ebx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret

Function at 0x538760
Capabilities:
Create new key via cryptacquirecontext
Initialize hashing via wincrypt

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
push 0xf0000040
push 0x18
push 0
push 0
push esi
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x538792
lea eax, [esi + 4]
push eax
push 0
push 0
push 0x800c
push dword [esi]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
xor eax, eax
pop esi
pop ebp
ret

Function at 0x539d70
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push esi
push edi
mov edi, dword [ebp + 0xc]
xor esi, esi
test edi, edi
je 0x539dc0
push ebx
mov ebx, dword [ebp + 8]
mov cl, byte [esi + ebx]
mov dl, cl
mov al, cl
shr dl, 1
and al, 0xfe
not dl
movzx eax, al
xor dl, cl
shr dl, 1
xor dl, cl
shr dl, 1
xor dl, cl
shr dl, 1
xor dl, cl
shr dl, 1
xor dl, cl
shr dl, 1
xor dl, cl
or cl, 1
and dl, 2
movzx ecx, cl
cmp dl, 2
cmovb ecx, eax
mov byte [esi + ebx], cl
inc esi
cmp esi, edi
jb 0x539d82
pop ebx
pop edi
pop esi
pop ebp
ret