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add API features for ws2_32 ordinals #893

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Apr 23, 2024
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7 changes: 5 additions & 2 deletions communication/dns/resolve-dns.yml
Original file line number Diff line number Diff line change
Expand Up @@ -16,16 +16,19 @@ rule:
- 17264e3126a97c319a6a0c61e6da951e:0x5FDC25D0
features:
- or:
- api: gethostbyname
- api: ws2_32.gethostbyname
- api: ws2_32.#52 = gethostbyname
- api: DnsQuery_A
- api: DnsQuery_W
- api: DnsQuery_UTF8
- api: DnsQueryEx
- api: getaddrinfo
- api: GetAddrInfo
- api: ws2_32.#24 = GetAddrInfoW
- api: GetAddrInfoEx
- api: gethostbyname
- api: getaddrinfo
- api: ws2_32.#98 = getaddrinfo
- api: getnameinfo
- api: ws2_32.#99 = getnameinfo
- api: gethostent
- api: System.Net.Dns::GetHostAddresses
5 changes: 4 additions & 1 deletion communication/socket/create-raw-socket.yml
Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,10 @@ rule:
- and:
- or:
- api: socket
- api: ws2_32.WSASocketA
- api: ws2_32.#23 = socket
- api: ws2_32.WSASocket
- api: ws2_32.#82 = WSASocketA
- api: ws2_32.#83 = WSASocketW
- or:
- number: 2 = AF_INET
- number: 23 = AF_INET6
Expand Down
3 changes: 2 additions & 1 deletion communication/socket/get-socket-status.yml
Original file line number Diff line number Diff line change
Expand Up @@ -14,5 +14,6 @@ rule:
examples:
- 6A352C3E55E8AE5ED39DC1BE7FB964B1:0x1000C1F0
features:
- and:
- or:
- api: ws2_32.select
- api: ws2_32.#18 = select
3 changes: 2 additions & 1 deletion communication/socket/initialize-winsock-library.yml
Original file line number Diff line number Diff line change
Expand Up @@ -12,5 +12,6 @@ rule:
examples:
- 6A352C3E55E8AE5ED39DC1BE7FB964B1:0x10001D30
features:
- and:
- or:
- api: ws2_32.WSAStartup
- api: ws2_32.#115 = WSAStartup
9 changes: 7 additions & 2 deletions communication/socket/receive/receive-data-on-socket.yml
Original file line number Diff line number Diff line change
Expand Up @@ -15,14 +15,20 @@ rule:
- Practical Malware Analysis Lab 01-01.dll_:0x10001010
features:
- or:
- api: recv
- api: ws2_32.recv
- api: ws2_32.#16 = recv
- api: ws2_32.recvfrom
- api: ws2_32.#17 = recvfrom
- api: ws2_32.WSARecv
- api: ws2_32.#71 = WSARecv
- api: ws2_32.WSARecvDisconnect
- api: ws2_32.#72 = WSARecvDisconnect
- api: ws2_32.WSARecvEx
- api: ws2_32.WSARecvFrom
- api: ws2_32.#73 = WSARecvFrom
- api: ws2_32.WSARecvMsg
- api: recv
- api: recvmsg
- api: System.Net.Sockets.Socket::Receive
- api: System.Net.Sockets.Socket::ReceiveAsync
- api: System.Net.Sockets.Socket::ReceiveFrom
Expand All @@ -35,4 +41,3 @@ rule:
- api: System.Net.Sockets.Socket::EndReceive
- api: System.Net.Sockets.Socket::EndReceiveFrom
- api: System.Net.Sockets.Socket::EndReceiveMessageFrom
- api: recvmsg
6 changes: 5 additions & 1 deletion communication/socket/send/send-data-on-socket.yml
Original file line number Diff line number Diff line change
Expand Up @@ -15,12 +15,16 @@ rule:
- Practical Malware Analysis Lab 01-01.dll_:0x10001010
features:
- or:
- api: send
- api: ws2_32.send
- api: ws2_32.#19 = send
- api: ws2_32.sendto
- api: ws2_32.#20 = sendto
- api: ws2_32.WSASend
- api: ws2_32.#76 = WSASend
- api: ws2_32.WSASendMsg
- api: ws2_32.WSASendTo
- api: send
- api: ws2_32.#78 = WSASendTo
- api: System.Net.Sockets.Socket::Send
- api: System.Net.Sockets.Socket::SendAsync
- api: System.Net.Sockets.Socket::SendTo
Expand Down
2 changes: 2 additions & 0 deletions communication/socket/set-socket-configuration.yml
Original file line number Diff line number Diff line change
Expand Up @@ -14,4 +14,6 @@ rule:
features:
- or:
- api: ws2_32.setsockopt
- api: ws2_32.#21 = setsockopt
- api: ws2_32.ioctlsocket
- api: ws2_32.#10 = ioctlsocket
26 changes: 20 additions & 6 deletions communication/socket/tcp/connect-tcp-socket.yml
Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,9 @@ rule:
- or:
- api: connect
- api: ws2_32.connect
- api: ws2_32.#4 = connect
- api: ws2_32.WSAConnect
- api: ws2_32.#33 = WSAConnect
- api: ConnectEx
- or:
- and:
Expand All @@ -32,27 +34,39 @@ rule:
- number: 0x3E06748C
- basic block:
- and:
- api: WSAIoctl
- or:
- api: ws2_32.WSAIoctl
- api: ws2_32.#60 = WSAIoctl
- number: 0xC8000006 = SIO_GET_EXTENSION_FUNCTION_POINTER
- basic block:
- and:
- api: setsockopt
- or:
- api: setsockopt
- api: ws2_32.#21 = setsockopt
- number: 0xFFFF = SOL_SOCKET
- number: 0x7010 = SO_UPDATE_CONNECT_CONTEXT
# socket must be bound to ConnectEx
# https://gist.github.com/joeyadams/4158972
- api: bind
- or:
- api: bind
- api: ws2_32.#2 = bind
- and:
# dynamic
- call:
- and:
- api: WSAIoctl
- or:
- api: ws2_32.WSAIoctl
- api: ws2_32.#60 = WSAIoctl
- number: 0xC8000006 = SIO_GET_EXTENSION_FUNCTION_POINTER
- call:
- and:
- api: setsockopt
- or:
- api: setsockopt
- api: ws2_32.#21 = setsockopt
- number: 0xFFFF = SOL_SOCKET
- number: 0x7010 = SO_UPDATE_CONNECT_CONTEXT
# socket must be bound to ConnectEx
# https://gist.github.com/joeyadams/4158972
- api: bind
- or:
- api: bind
- api: ws2_32.#2 = bind
5 changes: 4 additions & 1 deletion communication/socket/tcp/create-tcp-socket.yml
Original file line number Diff line number Diff line change
Expand Up @@ -21,8 +21,11 @@ rule:
- number: 1 = SOCK_STREAM
- number: 2 = AF_INET
- or:
- api: socket
- api: ws2_32.socket
- api: ws2_32.#23 = socket
- api: ws2_32.WSASocket
- api: socket
- api: ws2_32.#82 = WSASocketA
- api: ws2_32.#83 = WSASocketW
- api: System.Net.Sockets.Socket::ctor
- property/read: System.Net.Sockets.TcpClient::Client
5 changes: 4 additions & 1 deletion communication/socket/udp/send/create-udp-socket.yml
Original file line number Diff line number Diff line change
Expand Up @@ -18,8 +18,11 @@ rule:
- and:
- count(number(2 = AF_INET/SOCK_DGRAM)): 2 or more
- or:
- api: socket
- api: ws2_32.socket
- api: ws2_32.#23 = socket
- api: ws2_32.WSASocket
- api: socket
- api: ws2_32.#82 = WSASocketA
- api: ws2_32.#83 = WSASocketW
- api: System.Net.Sockets.Socket::ctor
- api: System.Net.Sockets.UdpClient::ctor
3 changes: 2 additions & 1 deletion nursery/get-socket-information.yml
Original file line number Diff line number Diff line change
Expand Up @@ -10,5 +10,6 @@ rule:
att&ck:
- Discovery::System Network Configuration Discovery [T1016]
features:
- and:
- or:
- api: ws2_32.getsockname
- api: ws2_32.#6 = getsockname
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