杀掉本地进程其实很简单,取得进程ID后,调用OpenProcess函数打开进程句柄,然后调用TerminateProcess函数就可以杀掉进程了。有些情况下并不能直接打开进程句柄,例如WINLOGON等系统进程,因为权限不够。这个时候我们就得先提升自己的进程的权限了。提升权限过程也不复杂,先调用GetCurrentProcess函数取得当前进程的句柄,然后调用OpenProcessToken打开当前进程的访问令牌,接着调用LookupPrivilegeValue函数取得你想提升的权限的值,最后调用AdjustTokenPrivileges函数给当前进程的访问令牌增加权限就可以了。一般有了SeDebugPrivilege特权后,就可以杀掉除Idle外的所有进程了。
E?gu(\an@ OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
<r +!hJ[s' <1>与远程系统建立IPC连接
m$E^u[ <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
q]i(CaKh <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
/q"d`!h)w <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
m,gy9$ <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
|;.Pj3)- <6>服务启动后,killsrv.exe运行,杀掉进程
3q|cZQK!1 <7>清场
[71#@^ye 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
i+X2M-[Ls /***********************************************************************
XHZ:
mLf Module:Killsrv.c
{NY~JFM Date:2001/4/27
}6CXJ+-UR Author:ey4s
Dz8:;$/ Http://www.ey4s.org ~C"k$;(n ***********************************************************************/
Z`oaaO #include
1]
%W\RHxo #include
(,Ja
#include "function.c"
]/o12pI #define ServiceName "PSKILL"
Wm$`ae
{7=WU4$ SERVICE_STATUS_HANDLE ssh;
'6o`^u> SERVICE_STATUS ss;
p]h*6nH>~ /////////////////////////////////////////////////////////////////////////
xI@$aTGq void ServiceStopped(void)
YXX36 {
rQcRjh+E
H ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
+^4BO` ss.dwCurrentState=SERVICE_STOPPED;
<}EV*`w4 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
3`fJzS% O ss.dwWin32ExitCode=NO_ERROR;
=& q-[JW ss.dwCheckPoint=0;
zNV!@Yr ss.dwWaitHint=0;
BKC7kDK3H SetServiceStatus(ssh,&ss);
kqKj7L return;
3!.H^v?
}
wC(vr.,F /////////////////////////////////////////////////////////////////////////
11)/] ?/j void ServicePaused(void)
%@lV-(5q {
'dIX=/RZ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
axK6sIxx ss.dwCurrentState=SERVICE_PAUSED;
GJ1;\:cQq ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
M5GY>3P$c ss.dwWin32ExitCode=NO_ERROR;
~A`&/U ss.dwCheckPoint=0;
.KLm39j( ss.dwWaitHint=0;
-?< Ww{ SetServiceStatus(ssh,&ss);
AT B\^;n. return;
ORGv)>C| }
q&XCX$N void ServiceRunning(void)
< /;Q8;0 {
0'?V|V=v ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
\{c,,th ss.dwCurrentState=SERVICE_RUNNING;
(Wd_G-da ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
?EI'^xg ss.dwWin32ExitCode=NO_ERROR;
}>MP{67Dm ss.dwCheckPoint=0;
(jU/Wj!q ss.dwWaitHint=0;
]y3pE}R SetServiceStatus(ssh,&ss);
8tb6 gZz return;
Qq#Ff\|4u( }
[YC=d1F5 /////////////////////////////////////////////////////////////////////////
/> ^@
O void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
tHrK~| {
qqnclqkw& switch(Opcode)
01U
*_\ {
Q)09]hP[Xj case SERVICE_CONTROL_STOP://停止Service
PX;Vo~6 ServiceStopped();
Zimh_ break;
Dt.0YKF case SERVICE_CONTROL_INTERROGATE:
F-_%>KJS SetServiceStatus(ssh,&ss);
K K?Zm_ break;
S8
:"<B) }
&^V~cJ return;
q5Fs )B }
,Pn-ZF //////////////////////////////////////////////////////////////////////////////
&!ED# gs //杀进程成功设置服务状态为SERVICE_STOPPED
Lp_$?MCD. //失败设置服务状态为SERVICE_PAUSED
#@ 9)h //
z5x _fAT( void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
*yJ[zXXjJ {
led))qd@V- ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
Y 4d3n if(!ssh)
&e5(Djz8t {
[+;qWfs B ServicePaused();
pD"YNlB^ return;
n5|l|#c$N }
m9Ax\lf ServiceRunning();
!<&m]K Sleep(100);
F8H'^3`b`U //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
[r(Qs| //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
l71gf.4g if(KillPS(atoi(lpszArgv[5])))
P''X_1oMC ServiceStopped();
@}WNKS&m else
:-?Ct ServicePaused();
PocYFhWQ` return;
^(ScgoXva }
} ^i b /////////////////////////////////////////////////////////////////////////////
EFAGP${F void main(DWORD dwArgc,LPTSTR *lpszArgv)
j Fma|y {
Ur^j$B} SERVICE_TABLE_ENTRY ste[2];
Z?oG*G: ste[0].lpServiceName=ServiceName;
LOr|k8tL% ste[0].lpServiceProc=ServiceMain;
FXV`9uq}Z ste[1].lpServiceName=NULL;
$6T3y8 ste[1].lpServiceProc=NULL;
Bd@'e7{ StartServiceCtrlDispatcher(ste);
1G;8MPU return;
6-B 9na }
]3Dl)[R
/////////////////////////////////////////////////////////////////////////////
6rN(_Oi- function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
!@A#=(4R4 下:
2;`=P5V /***********************************************************************
%XTcP2pRJ Module:function.c
<#+44>h Date:2001/4/28
Pw0Ci Author:ey4s
2F`cv1 M Http://www.ey4s.org Avlz=k1* ***********************************************************************/
Xz 4 x #include
gEQNs\Jn
L ////////////////////////////////////////////////////////////////////////////
_7T@5\b:; BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
P
u0uKE {
B;K`q
TOKEN_PRIVILEGES tp;
X"fh@. LUID luid;
kcie}Be Q,h7Sk* if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
*Vw\'%p* {
4Kwh?8. printf("\nLookupPrivilegeValue error:%d", GetLastError() );
qU6nJi+-I return FALSE;
b6(p }
3jH \yXj tp.PrivilegeCount = 1;
JPn$FQD tp.Privileges[0].Luid = luid;
NS)}6OI3~" if (bEnablePrivilege)
&sXRN&Fp tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
eM7Bc4V else
`(6r3f~XJ tp.Privileges[0].Attributes = 0;
'_k+WH& // Enable the privilege or disable all privileges.
=qy=-j] AdjustTokenPrivileges(
?E%ELs_Dl hToken,
6r:?;j~l FALSE,
b1XRC`Gy &tp,
_p-t<ytnh sizeof(TOKEN_PRIVILEGES),
&UCsBqIY (PTOKEN_PRIVILEGES) NULL,
m!z|h9Ed (PDWORD) NULL);
G0O#/%% // Call GetLastError to determine whether the function succeeded.
'J&f%kx" if (GetLastError() != ERROR_SUCCESS)
p!O(Y6QM {
@yXfBML?] printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
-<v~snq' return FALSE;
1i:|3PA~ }
(/-hu[: return TRUE;
,lA.C%4au~ }
.h&k jD ////////////////////////////////////////////////////////////////////////////
:l7U>~ o BOOL KillPS(DWORD id)
DrnJ;Hi" {
>>aq,pH HANDLE hProcess=NULL,hProcessToken=NULL;
&[NG]V!Oc BOOL IsKilled=FALSE,bRet=FALSE;
dVB~Smsr __try
b"!Q2S~ {
K7Rpr.p g;$Xq)Dd if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
XNQAi (!GS {
)o-Q!<*1 printf("\nOpen Current Process Token failed:%d",GetLastError());
&B!
o,qp __leave;
%sHF-n5P }
X#3et' //printf("\nOpen Current Process Token ok!");
E*L iM5+I if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
H$G0`LP0/a {
yaq'Lt` __leave;
:l|%17N }
$zB[B;-!$ printf("\nSetPrivilege ok!");
.h0b~nI>> z'uK3ng\hH if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
kJWN. {
=+t^ f printf("\nOpen Process %d failed:%d",id,GetLastError());
btdb%Q* __leave;
"D?z }
3~nnCR[R //printf("\nOpen Process %d ok!",id);
/'31w9 if(!TerminateProcess(hProcess,1))
Qne/g}PD` {
ui (^k $ printf("\nTerminateProcess failed:%d",GetLastError());
hstbz __leave;
Or
!+._3i }
vjjSKP6B IsKilled=TRUE;
sdQkT# %y }
/-bO!RTwf __finally
J|&JD? {
}Tf9S<xpq3 if(hProcessToken!=NULL) CloseHandle(hProcessToken);
lNQcYv if(hProcess!=NULL) CloseHandle(hProcess);
('-JY }
5]M>8ll return(IsKilled);
o.q/O)'V u }
)T;?^kho //////////////////////////////////////////////////////////////////////////////////////////////
J>u
7, OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
a33TPoj /*********************************************************************************************
O(+phRwJ ModulesKill.c
&3yD_P_3 Create:2001/4/28
`'V4PUe Modify:2001/6/23
'uq#ai[5I Author:ey4s
!9xp cQ> Http://www.ey4s.org hAHq\ PsKill ==>Local and Remote process killer for windows 2k
-!c"k}N= **************************************************************************/
C+|b1/N- #include "ps.h"
3E3HL7 #define EXE "killsrv.exe"
_x!7}O#k #define ServiceName "PSKILL"
uL[.ND2._& `[C!L *#, #pragma comment(lib,"mpr.lib")
8P=o4lO+ //////////////////////////////////////////////////////////////////////////
:]J Ye* //定义全局变量
}g4 M2| SERVICE_STATUS ssStatus;
gdkwWoN. SC_HANDLE hSCManager=NULL,hSCService=NULL;
=+AS/Jq BOOL bKilled=FALSE;
Offu9`DiZ char szTarget[52]=;
Y +Fljr* //////////////////////////////////////////////////////////////////////////
}fKSqB]T- BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
W^s
;Bi+Nw BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
wQRZ"ri, BOOL WaitServiceStop();//等待服务停止函数
{l |E:>Q2 BOOL RemoveService();//删除服务函数
XP@1~$ /////////////////////////////////////////////////////////////////////////
)KP5WudX int main(DWORD dwArgc,LPTSTR *lpszArgv)
P{u0ftyX} {
/Ml.}7& BOOL bRet=FALSE,bFile=FALSE;
u;`U*@ char tmp[52]=,RemoteFilePath[128]=,
KCWc`Oz szUser[52]=,szPass[52]=;
7e<c$t#H HANDLE hFile=NULL;
Dq)j:f#QM DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
%*\es7m} ;$z$@@WC //杀本地进程
G_SG if(dwArgc==2)
'7oA< R {
0=K9`=5d0 if(KillPS(atoi(lpszArgv[1])))
&9Xhl'' printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
+=:#wzK@ else
4T=u`3pD7l printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
~{Mn{ lpszArgv[1],GetLastError());
i@4~.iZ8 return 0;
1CHeufQ }
Pcw6!xH //用户输入错误
e/^=U7:io else if(dwArgc!=5)
-e8}Pm
" {
t
89!Ihk printf("\nPSKILL ==>Local and Remote Process Killer"
"70WUx(\t "\nPower by ey4s"
m'f,_ \' "\nhttp://www.ey4s.org 2001/6/23"
NM06QzE "\n\nUsage:%s <==Killed Local Process"
=dFv/F/RW "\n %s <==Killed Remote Process\n",
MX@_=Sp- lpszArgv[0],lpszArgv[0]);
2"B _At return 1;
0q'w8]m }
APO>y //杀远程机器进程
qv@$ZLR strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
EbdfV-E strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
p1|f<SF') strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
.<Zy|1
4 MzL1Bh!M //将在目标机器上创建的exe文件的路径
<^lRUw sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
_-#'j2 __try
Oj^,m.R {
dX)GPC-D7 //与目标建立IPC连接
ETXZ?\<a5 if(!ConnIPC(szTarget,szUser,szPass))
Mv6-|O {
X3V'Cy/sy printf("\nConnect to %s failed:%d",szTarget,GetLastError());
19j+lCSvH return 1;
f4PIoZ e }
UNkCL4N printf("\nConnect to %s success!",szTarget);
Bn(W"=1 //在目标机器上创建exe文件
]~E0gsq n;:rf 7hGY hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
t>[KVVg
W E,
Q
!(pE& NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
2!$gyu6bpG if(hFile==INVALID_HANDLE_VALUE)
6CMub0 {
0JJS2oY/ printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
m2v'WY5u __leave;
T"0,r$3: }
KFFSv{m[ //写文件内容
Y14W?|KOB while(dwSize>dwIndex)
*7wAkljP {
[mPjP%{=@ [ U wi if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
<E0UK^-} {
:G<E^<M\)^ printf("\nWrite file %s
PK4iuU`vh failed:%d",RemoteFilePath,GetLastError());
Vl2XDkhq __leave;
?:L:EW8 }
xQp|;oW;z dwIndex+=dwWrite;
4~N[%>zJ }
PxfY&;4n! //关闭文件句柄
al[n,u CloseHandle(hFile);
4sP2g&