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。
ru{f]| OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
Pz@/|&] <1>与远程系统建立IPC连接
`(DJs-xD <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
MCU9O <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
Q0~j$Jc <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
^.vmF>$+I <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
(ua q<Cvg <6>服务启动后,killsrv.exe运行,杀掉进程
rl?7W]; <7>清场
s<&[\U 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
TsHF
tj9S /***********************************************************************
62kb2C Module:Killsrv.c
`G?qY8 Date:2001/4/27
=IHje;s Author:ey4s
7tgFDLA Http://www.ey4s.org O-PdM`mqW ***********************************************************************/
&g0g]G21*I #include
:#$F)]y'\ #include
Z^#]#f #include "function.c"
^VI,C| #define ServiceName "PSKILL"
#mLuU ia4k :\ SERVICE_STATUS_HANDLE ssh;
ntGq"
o SERVICE_STATUS ss;
})[($$f/ /////////////////////////////////////////////////////////////////////////
]1sNmi$T void ServiceStopped(void)
AmcC:5 {
Q\9K2=4 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
wqy^8N[K] ss.dwCurrentState=SERVICE_STOPPED;
~HmxEk9 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
73
V"s ss.dwWin32ExitCode=NO_ERROR;
}Hy ~i ss.dwCheckPoint=0;
l>&sIX ss.dwWaitHint=0;
.Xd0
Q=1h SetServiceStatus(ssh,&ss);
8!zbF<W9 return;
B4yh3cf }
N:x0w+Ca /////////////////////////////////////////////////////////////////////////
EGS%C%>l/o void ServicePaused(void)
= .`jjDJ {
</s,pe79B ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
U<Jt50O ss.dwCurrentState=SERVICE_PAUSED;
w`gyE
6A ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
\[#t<dD ss.dwWin32ExitCode=NO_ERROR;
vPmnN^ ss.dwCheckPoint=0;
Yc`<S ss.dwWaitHint=0;
_k2w(ew? SetServiceStatus(ssh,&ss);
f=aIXhiYU return;
?QpNjsF }
S~3\3qt$ void ServiceRunning(void)
mqFq_UX/T {
s[AA7>]3 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
1R*=.i%W ss.dwCurrentState=SERVICE_RUNNING;
sLns3&n2 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
o8z)nOTO; ss.dwWin32ExitCode=NO_ERROR;
q`Q}yE>9 ss.dwCheckPoint=0;
EJm4xkYLj1 ss.dwWaitHint=0;
E4HU 'y~ SetServiceStatus(ssh,&ss);
v01#>,R return;
Q$a }
YaL]>.;Z:" /////////////////////////////////////////////////////////////////////////
k+1gQru{d void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
P`"mM?u {
B8V,)rn switch(Opcode)
{1~T]5 {
usOx=^?= case SERVICE_CONTROL_STOP://停止Service
\##5O7/1 ServiceStopped();
&[j]Bp? break;
};S0 G! case SERVICE_CONTROL_INTERROGATE:
(Uk, SetServiceStatus(ssh,&ss);
5=Lq=,K$ break;
8&E}n(XE }
kMxjS^fr return;
Gvx[8I }
_x % 1 F //////////////////////////////////////////////////////////////////////////////
*Km7U-BG //杀进程成功设置服务状态为SERVICE_STOPPED
nvyB/ //失败设置服务状态为SERVICE_PAUSED
$1@,Qor //
Tbf:eVIG void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
MYdx .NZT {
_H\<[-l ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
/fwgqFVk if(!ssh)
dGkgaC+ {
&Lt@} 7$8 ServicePaused();
C2/}d? bki return;
>Ko[Xb-8^_ }
\=nrt? ServiceRunning();
*jCW.ZLY Sleep(100);
J(iV0LAZb //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
GAl+Zg## //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
<B[G |FY, if(KillPS(atoi(lpszArgv[5])))
m,tXE%l ServiceStopped();
'HaD~pa else
4JO@BV >t ServicePaused();
&]iKriG return;
$f-hUOuyo }
v?j!&d> /////////////////////////////////////////////////////////////////////////////
@8gEH+r void main(DWORD dwArgc,LPTSTR *lpszArgv)
(3%t+aqq {
u$\a3yi SERVICE_TABLE_ENTRY ste[2];
-:`V< ste[0].lpServiceName=ServiceName;
|~e?,[-2`r ste[0].lpServiceProc=ServiceMain;
]P1YHw9 ste[1].lpServiceName=NULL;
rVzI_zYqp' ste[1].lpServiceProc=NULL;
)#[|hb=o StartServiceCtrlDispatcher(ste);
|t6~%6^8 return;
3,6Ox45 }
9l
!S9d /////////////////////////////////////////////////////////////////////////////
C}"@RHEu 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
L
*Y|ey 下:
U[||~FW' /***********************************************************************
J@#?@0]F Module:function.c
c`kQvXx Date:2001/4/28
&drFQ| Author:ey4s
LWmB,
Zf/ Http://www.ey4s.org KoHGweKl# ***********************************************************************/
nSS=%,? #include
V4K'R2t ////////////////////////////////////////////////////////////////////////////
Y25uU%6t_ BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
J8Z0D:5 {
LmLGki$w TOKEN_PRIVILEGES tp;
HL 8eD^ LUID luid;
\:/Lc{*}MD VKuAO$s$ if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
PT]GJ<K/ {
4hAJ!7[A. printf("\nLookupPrivilegeValue error:%d", GetLastError() );
[1(FgyE return FALSE;
dM]#WBOPy }
o`? zF+M0 tp.PrivilegeCount = 1;
OJ3UE(,I= tp.Privileges[0].Luid = luid;
.eF_cD7v if (bEnablePrivilege)
EHI 'xt tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
GozPvR^/ else
g22gIj] tp.Privileges[0].Attributes = 0;
=m tY // Enable the privilege or disable all privileges.
8 ws$k\> AdjustTokenPrivileges(
,8VU&?`<} hToken,
a!,r46>$H FALSE,
$3;Upgv &tp,
G|4^_`- sizeof(TOKEN_PRIVILEGES),
f_\_9o"l (PTOKEN_PRIVILEGES) NULL,
GP,<`l& (PDWORD) NULL);
Ix8$njp[ // Call GetLastError to determine whether the function succeeded.
O4|2|sA if (GetLastError() != ERROR_SUCCESS)
S# we3 {
&Lj@9\Dh printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
~5OL6Bi-q return FALSE;
ai-n z-; }
|jG~,{ return TRUE;
..qd,9H }
QLo(i ////////////////////////////////////////////////////////////////////////////
mP^SS
Je BOOL KillPS(DWORD id)
q``wt {
}[!92WS/ee HANDLE hProcess=NULL,hProcessToken=NULL;
2 y8~#*O BOOL IsKilled=FALSE,bRet=FALSE;
lU.Kc __try
?<%=:
Yh {
+U8Bln SbT5u3,' if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
;Yts\4BSM {
K1q+~4>\| printf("\nOpen Current Process Token failed:%d",GetLastError());
T*>`,}J __leave;
< bUe/m }
,+1m`9} //printf("\nOpen Current Process Token ok!");
r<R4
1Fz if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
w{,4rk;Hr {
f =s&n} __leave;
p
EusTP }
~[W#/kd1n printf("\nSetPrivilege ok!");
s"~5']8 PLR0#).n if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
&|o$=Ad {
*l+Cl%e printf("\nOpen Process %d failed:%d",id,GetLastError());
wpo1
__leave;
=$^MQ\S0p }
!a-b6Aa //printf("\nOpen Process %d ok!",id);
fZN><3MO> if(!TerminateProcess(hProcess,1))
uzU{z; {
-_0?_Cb printf("\nTerminateProcess failed:%d",GetLastError());
a.%LHb __leave;
p 2O~>97t1 }
u$*>`Xe6 IsKilled=TRUE;
S2^>6/[xM }
{qpi?oY __finally
1~yZ T {
#1/}3+=5B if(hProcessToken!=NULL) CloseHandle(hProcessToken);
f~h~5 if(hProcess!=NULL) CloseHandle(hProcess);
Y`ihi,s`H }
gS9>N/b| return(IsKilled);
WZewPn>#q }
!iu5OX7K| //////////////////////////////////////////////////////////////////////////////////////////////
?=On%bh OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
4<S' /*********************************************************************************************
_elX<o4 ModulesKill.c
x\\7G^$<h Create:2001/4/28
6 "gj!/e Modify:2001/6/23
Akk
3 Qx Author:ey4s
2}WDw>V Http://www.ey4s.org {ERMGd6Jp PsKill ==>Local and Remote process killer for windows 2k
ZFn(x*L **************************************************************************/
0Y+FRB]u #include "ps.h"
T0QvnIaP #define EXE "killsrv.exe"
PlxIfL #define ServiceName "PSKILL"
~(X(& Af-UScD%G #pragma comment(lib,"mpr.lib")
?ny= //////////////////////////////////////////////////////////////////////////
uh3)0.nR //定义全局变量
S\ ,mR4: SERVICE_STATUS ssStatus;
)e%}b-I'r SC_HANDLE hSCManager=NULL,hSCService=NULL;
!]koSw} BOOL bKilled=FALSE;
MQTdk*L_] char szTarget[52]=;
{7"0,2 Hb? //////////////////////////////////////////////////////////////////////////
cDkV;$ BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
N$I03m BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
-"TR\/ BOOL WaitServiceStop();//等待服务停止函数
pV\YG B+ BOOL RemoveService();//删除服务函数
zr_yO`{ /////////////////////////////////////////////////////////////////////////
W6/ @W int main(DWORD dwArgc,LPTSTR *lpszArgv)
.zj0Jy8N {
E4%j. BOOL bRet=FALSE,bFile=FALSE;
^4>k%d char tmp[52]=,RemoteFilePath[128]=,
S-Fo szUser[52]=,szPass[52]=;
4YROB912 HANDLE hFile=NULL;
<PD?f/4 / DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
WI[:-cv FY'dJY3O //杀本地进程
`N87h" if(dwArgc==2)
5 t{ja {
MZ4c{@Tg if(KillPS(atoi(lpszArgv[1])))
` lpz-"EEV printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
\=2m7v#E else
Wch~Yb printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
)}lRd#V lpszArgv[1],GetLastError());
^))RM_ic return 0;
p<GR SJIk= }
!PUZWO //用户输入错误
zqySm)o] else if(dwArgc!=5)
F2I 5qC/ {
Fd$!wBL printf("\nPSKILL ==>Local and Remote Process Killer"
?+C V1 ] "\nPower by ey4s"
=?Fkn4t "\nhttp://www.ey4s.org 2001/6/23"
nHOr AD|& "\n\nUsage:%s <==Killed Local Process"
IQ!Fv/I< "\n %s <==Killed Remote Process\n",
:7.Me;RA lpszArgv[0],lpszArgv[0]);
a:rX9-** return 1;
%5'6Tj }
Fwg^(;bL //杀远程机器进程
t'qL[r%? strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
q0xjA strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
&%=D \YzG strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
x_w~G]! / 0BU=)Swku //将在目标机器上创建的exe文件的路径
ja=w5 sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
Qs 2.ef? __try
<,@%*G1- {
#J\rv' //与目标建立IPC连接
x hs#u if(!ConnIPC(szTarget,szUser,szPass))
#KpY6M-H {
^_5|BT@ printf("\nConnect to %s failed:%d",szTarget,GetLastError());
)]6hy9< return 1;
m?CZQq, }
oy.[+EI`| printf("\nConnect to %s success!",szTarget);
s|yVAt|= //在目标机器上创建exe文件
;/O#4]2* 2a=sm1? hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
Q(7ob}+jQ E,
+g *k*e>l NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
Tbbz'b;{ if(hFile==INVALID_HANDLE_VALUE)
k#>hg#G {
&m^@9E)S/ printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
fC-P.:F#I __leave;
wEft4o }
,ZE?{G{tuj //写文件内容
:*i f while(dwSize>dwIndex)
{<$bAj {
f'En#-?O aEVsU|
if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
r|<DqTc6l {
Ww3wsy x printf("\nWrite file %s
^c}J,tZ] failed:%d",RemoteFilePath,GetLastError());
b0<o __leave;
U^lW@u?: }
@J'YV{] dwIndex+=dwWrite;
+ =$ }
9i$NhfOe //关闭文件句柄
<v
0*]NiX CloseHandle(hFile);
/#LW"4;* bFile=TRUE;
cDEJk?3+ //安装服务
%8.J=B if(InstallService(dwArgc,lpszArgv))
pV['' {
c "=N //等待服务结束
d=O3YNM:v if(WaitServiceStop())
|9K<-yD {
W m&