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。
:23P!^Y
OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
ee=D1 qNu; <1>与远程系统建立IPC连接
xyxy`qR A <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
@(lh%@hO <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
l+b~KU7~l <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
|vC~HJpuv' <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
{.]7!ISl5 <6>服务启动后,killsrv.exe运行,杀掉进程
2KZneS` <7>清场
;F Eqe49 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
%l%HHT /***********************************************************************
K)P%;X Module:Killsrv.c
!@"OB~ Date:2001/4/27
SS2%qv Author:ey4s
3(UVg!t Http://www.ey4s.org V VCZ9MVJ ***********************************************************************/
uw8f ~:LT #include
!`r$"}g #include
2A!FDr~cdT #include "function.c"
]_$[8#kg #define ServiceName "PSKILL"
5IG-~jzCLb (V@HR9?W) SERVICE_STATUS_HANDLE ssh;
4&iCht
= SERVICE_STATUS ss;
vKR[&K{Z| /////////////////////////////////////////////////////////////////////////
"wc<B4" void ServiceStopped(void)
tl>7^hH {
7-A2_!_x{ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
E(|>Ddv B& ss.dwCurrentState=SERVICE_STOPPED;
8cQ'dL`( ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
yh=N@Z*zP ss.dwWin32ExitCode=NO_ERROR;
8b=_Y; ss.dwCheckPoint=0;
5LMw?P.< ss.dwWaitHint=0;
K<J9~ SetServiceStatus(ssh,&ss);
:zR!/5 return;
T8NxJmYqB }
T^q
0'#/ /////////////////////////////////////////////////////////////////////////
L:x-%m%w void ServicePaused(void)
: E?V. {
#A.@i+Zv ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
54qFfN8O ss.dwCurrentState=SERVICE_PAUSED;
fc@A0Hf ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
&m vSiyKX ss.dwWin32ExitCode=NO_ERROR;
048kPXm` ss.dwCheckPoint=0;
DV{=n C ss.dwWaitHint=0;
M^I(OuRMeI SetServiceStatus(ssh,&ss);
hv+zGID7 return;
:Tq~8!s }
[/ZO q void ServiceRunning(void)
:hA#m[ {
E\$W_Lmr ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Q@H V- (A ss.dwCurrentState=SERVICE_RUNNING;
i mM_H;-X ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
S
tyfB ss.dwWin32ExitCode=NO_ERROR;
L0]_X#s># ss.dwCheckPoint=0;
1 {)Q[#l ss.dwWaitHint=0;
%>s|j'{ SetServiceStatus(ssh,&ss);
azU"G(6y?+ return;
rLT!To }
?%kV?eu' /////////////////////////////////////////////////////////////////////////
8XbT`y void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
mVmGg, {
I2DpRMy switch(Opcode)
!o-@&q {
YbLW/E\T case SERVICE_CONTROL_STOP://停止Service
|nF 8gh~} ServiceStopped();
L=h'Qgk% break;
.sA.C]f case SERVICE_CONTROL_INTERROGATE:
<\FH fE SetServiceStatus(ssh,&ss);
:H[6Lg\* break;
G/ 5%.Bf@ }
^}C\zW return;
SY8C4vb'h }
U<-D(J //////////////////////////////////////////////////////////////////////////////
CH/rp4NeSy //杀进程成功设置服务状态为SERVICE_STOPPED
^W@5TkkBQq //失败设置服务状态为SERVICE_PAUSED
"h ^Z //
)CyS#j#= void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
2BobH_H {
J-4:H
gx ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
ZG@q`<:j if(!ssh)
IM+o.@f- {
LIdF 0 ServicePaused();
Hr4}3.8 return;
O1kl70,`R }
L4f3X~8,b ServiceRunning();
9C i-v/M] Sleep(100);
GH
xp7H //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
DeYV$W
B //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
yppo6HGD if(KillPS(atoi(lpszArgv[5])))
D3A/l ServiceStopped();
5M_H
NWi4 else
p<;0g9,1 ServicePaused();
,Lt[\_ return;
iyog`s c }
Xry47a
) /////////////////////////////////////////////////////////////////////////////
%07SFu# void main(DWORD dwArgc,LPTSTR *lpszArgv)
l@:0e]8|o {
$mB;K]m SERVICE_TABLE_ENTRY ste[2];
.{KVMc ste[0].lpServiceName=ServiceName;
Lh<).<S ste[0].lpServiceProc=ServiceMain;
[1KuzCcK} ste[1].lpServiceName=NULL;
b u"!jHPB ste[1].lpServiceProc=NULL;
PYzvCf`? StartServiceCtrlDispatcher(ste);
&VcV$8k return;
]+$?u&0?w }
W}1
;Z(.* /////////////////////////////////////////////////////////////////////////////
Tb-F]lg$ 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
.}*"Nv 下:
snikn& /***********************************************************************
i 3SHg\~Z Module:function.c
2:= Date:2001/4/28
m#F`] { Author:ey4s
&t-kpA|EG Http://www.ey4s.org _-F s#f8 ***********************************************************************/
o8vug$=Z #include
nNU2([ ////////////////////////////////////////////////////////////////////////////
4H<lm*!^ BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
?0,Ngrbe {
#5j\C+P}| TOKEN_PRIVILEGES tp;
a@*\o+Su LUID luid;
K_-MYs. j8`BdKg if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
YrKWA {
+2j AC r printf("\nLookupPrivilegeValue error:%d", GetLastError() );
BF <ikilR return FALSE;
{qMIGwu }
!?gKqx'T$ tp.PrivilegeCount = 1;
k#rBB tp.Privileges[0].Luid = luid;
`~`k_7t. if (bEnablePrivilege)
IaXeRq?< tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
fd2T=fz- else
O7IJ%_A& tp.Privileges[0].Attributes = 0;
alvrh'51 // Enable the privilege or disable all privileges.
6K<K AdjustTokenPrivileges(
Tu 7QCr5* hToken,
r>U@3%0& FALSE,
O8.5}>gDn. &tp,
"w.3Q96r sizeof(TOKEN_PRIVILEGES),
tNX|U:Y* (PTOKEN_PRIVILEGES) NULL,
>e"#'K0?\ (PDWORD) NULL);
n.G!43@*N // Call GetLastError to determine whether the function succeeded.
;d9QAN&0} if (GetLastError() != ERROR_SUCCESS)
D5HZ2cz|a {
"FKOaQ%IH printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
@{O`E^}-D return FALSE;
_#h_: }
uRr o?m< return TRUE;
z]9MM
2+ }
|H+Wed| ////////////////////////////////////////////////////////////////////////////
U ZsH9
o BOOL KillPS(DWORD id)
IobD3:D8W {
:Zz
'1C HANDLE hProcess=NULL,hProcessToken=NULL;
{> 0wiH#!E BOOL IsKilled=FALSE,bRet=FALSE;
(ICd} __try
\;"=QmRD%: {
}U9G u-5{U-^_ if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
}!C)}.L< {
,nB5/Lx printf("\nOpen Current Process Token failed:%d",GetLastError());
#ucBo<[ __leave;
H
DFOA }
N'`A?&2ru //printf("\nOpen Current Process Token ok!");
/Mu@,)'' if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
7x4PaX( {
qm o9G __leave;
sp*v?5lW }
#?9;uy<j.q printf("\nSetPrivilege ok!");
1PV'?tXp( \)?HJ if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
"!%l/_p? {
nQ,HMXj printf("\nOpen Process %d failed:%d",id,GetLastError());
hFl^\$Re __leave;
9 j9TPyC/2 }
MFAH%Z$ //printf("\nOpen Process %d ok!",id);
~O&:C{9= if(!TerminateProcess(hProcess,1))
)/?$3h; {
?m?::R H printf("\nTerminateProcess failed:%d",GetLastError());
V%
6I\G2/: __leave;
= {wcfhUl+ }
8eHyL IsKilled=TRUE;
uGEfIy 2 }
}d}Ke_Q0 __finally
exUu7&*: {
$@"g^,n if(hProcessToken!=NULL) CloseHandle(hProcessToken);
^RtIh-Z.9 if(hProcess!=NULL) CloseHandle(hProcess);
RuVGG) }
<3C*Z"aQ>| return(IsKilled);
^qD$z=z- }
cq/$N //////////////////////////////////////////////////////////////////////////////////////////////
'u |c OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
tHwMX1 IG /*********************************************************************************************
wov\kV ModulesKill.c
ByNn Create:2001/4/28
9e,0\J Modify:2001/6/23
JB[~;nLlC Author:ey4s
)C]gld;8 Http://www.ey4s.org W+ko q*P PsKill ==>Local and Remote process killer for windows 2k
Y^EcQzLw **************************************************************************/
i5Yb`Z[Y #include "ps.h"
l#Y,R 0 #define EXE "killsrv.exe"
|Uh #define ServiceName "PSKILL"
"]b<uV D!-g&HBTC #pragma comment(lib,"mpr.lib")
FZslv"F //////////////////////////////////////////////////////////////////////////
<s<n //定义全局变量
S2GxV/E SERVICE_STATUS ssStatus;
x Bi' X SC_HANDLE hSCManager=NULL,hSCService=NULL;
.MoU1n{Yc BOOL bKilled=FALSE;
")XHak.JX char szTarget[52]=;
~;{;,8!) //////////////////////////////////////////////////////////////////////////
G^4hd i3@ BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
'^~{@~ ;%L BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
65$+{s BOOL WaitServiceStop();//等待服务停止函数
nwRc%C``UK BOOL RemoveService();//删除服务函数
V7fq4O^: /////////////////////////////////////////////////////////////////////////
"N bq#w\ int main(DWORD dwArgc,LPTSTR *lpszArgv)
#-i>;Rt {
UIN<2F_ BOOL bRet=FALSE,bFile=FALSE;
]{mPh\ char tmp[52]=,RemoteFilePath[128]=,
!/i{l szUser[52]=,szPass[52]=;
}.m< HANDLE hFile=NULL;
=QiI :|eRA DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
mQ26K~ (b-MMr //杀本地进程
+V046goX W if(dwArgc==2)
9} M?P {
?:I* 8Fj if(KillPS(atoi(lpszArgv[1])))
hVAn>_( printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
NzOx0WLF else
=BAW[%1b printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
0e ~JMUb lpszArgv[1],GetLastError());
Z!zF\<r return 0;
BdblLUGK# }
cZU=o\ //用户输入错误
k(7&N0V%zz else if(dwArgc!=5)
lKp"xcAD {
.P%bkD6M printf("\nPSKILL ==>Local and Remote Process Killer"
YdC6k?tzS "\nPower by ey4s"
x'>9d "\nhttp://www.ey4s.org 2001/6/23"
n QZwC
"\n\nUsage:%s <==Killed Local Process"
%JD,$pPs "\n %s <==Killed Remote Process\n",
^{;oM^Q' lpszArgv[0],lpszArgv[0]);
Z<y I\1 return 1;
[KaAXv
.X }
^-Kf']hU //杀远程机器进程
V0.vQ/ strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
d#rf5<i strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
Pz |>"' strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
tla
5B_ j2.|ln"! //将在目标机器上创建的exe文件的路径
O{G?;H$ sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
YPK(be_|I __try
K;Uvb(m{& {
|5~#&v_ //与目标建立IPC连接
j94=hJVKi if(!ConnIPC(szTarget,szUser,szPass))
BBRR) {
KNpl:g3{<Q printf("\nConnect to %s failed:%d",szTarget,GetLastError());
+LZLy9iKt return 1;
Ln<`E|[29 }
=eXU@B printf("\nConnect to %s success!",szTarget);
-)]Yr #Q //在目标机器上创建exe文件
e~[/i\ L Mbn hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
vkd.)x`J, E,
0gy/:T NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
=9["+;\e& if(hFile==INVALID_HANDLE_VALUE)
|w1Bq {
FR4QUk printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
}`QUHIF __leave;
JG!mc7 }
Cc' 37~6~P //写文件内容
+wvWwie while(dwSize>dwIndex)
G"U9E5O {
7>Ouqxh21 K'Tm_"[u if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
kmsb hYM) {
eH3JyzzP, printf("\nWrite file %s
&5spTMw8 failed:%d",RemoteFilePath,GetLastError());
ZQoU3AD; __leave;
AJ?r,!) }
6YLj^w] % dwIndex+=dwWrite;
)72+\C[*~r }
!&ayYu##{ //关闭文件句柄
nE&