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。
l
$w/Fz OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
qmID-t" <1>与远程系统建立IPC连接
s7M}NA 0 <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
^$}/|d( <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
Gc^t%Ue-H) <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
G1p'p&x. <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
qp@m&GH <6>服务启动后,killsrv.exe运行,杀掉进程
DO%Pwfkd <7>清场
tj0Qr-/ 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
Y"oDFo, /***********************************************************************
4y>(RrVG Module:Killsrv.c
6=3(oUl Date:2001/4/27
a7=YG6[ Author:ey4s
6Ty3e|do Http://www.ey4s.org QES^^PQe: ***********************************************************************/
%-r?=L #include
XLocg #include
^k;mn-0 #include "function.c"
1b+h>.gWar #define ServiceName "PSKILL"
_'lmCj8L <
GU SERVICE_STATUS_HANDLE ssh;
`x*/UCy\ SERVICE_STATUS ss;
[%?hCc /////////////////////////////////////////////////////////////////////////
`~h0?g void ServiceStopped(void)
;L$,gn5H {
!"%S#nrL$ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
vlAy!:CV ss.dwCurrentState=SERVICE_STOPPED;
:fW.-^"VP ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
*F..ZS'$[ ss.dwWin32ExitCode=NO_ERROR;
7P
c(<Ui+ ss.dwCheckPoint=0;
{yU0D*#6 ss.dwWaitHint=0;
cTy'JT7 SetServiceStatus(ssh,&ss);
J7Sx!PQ return;
u9,=po=+7f }
JeL~]F /////////////////////////////////////////////////////////////////////////
18rp;
l{ void ServicePaused(void)
-`g J {
LGXZx}4@; ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
1Df,a#,y" ss.dwCurrentState=SERVICE_PAUSED;
jVs(x
ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
X]MTaD.t ss.dwWin32ExitCode=NO_ERROR;
_^-D _y ss.dwCheckPoint=0;
s_S$7N`ocS ss.dwWaitHint=0;
#XfT1 SetServiceStatus(ssh,&ss);
Yq{jEatY{/ return;
&rcdr+' }
s4N,^_j void ServiceRunning(void)
2=O))^8 {
{F/q{c~] ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
\ JG
#m ss.dwCurrentState=SERVICE_RUNNING;
<ipWMZae0F ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
q6Rw4 ss.dwWin32ExitCode=NO_ERROR;
d&?F#$> 7| ss.dwCheckPoint=0;
L@+Z)# V ss.dwWaitHint=0;
moe/cO5a9 SetServiceStatus(ssh,&ss);
VH[l\I(h return;
ys/vI/e\ }
C,(j$Id /////////////////////////////////////////////////////////////////////////
2zM-Ob<U` void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
,,7.=# {
l*qk1H"g switch(Opcode)
z41D^}b {
4':MI|/my_ case SERVICE_CONTROL_STOP://停止Service
DgVyy&7> ServiceStopped();
k}#@8n|b break;
-&$%|cyThQ case SERVICE_CONTROL_INTERROGATE:
>6w@{p2B SetServiceStatus(ssh,&ss);
Y1|^>C#a break;
|MVV +.X }
ig+k[`W return;
zWJKYF qK }
Ls(&HOK[p //////////////////////////////////////////////////////////////////////////////
8z?$t-D O //杀进程成功设置服务状态为SERVICE_STOPPED
mcCB7<.
e //失败设置服务状态为SERVICE_PAUSED
X:DMT>5k //
@f\
X4!e*y void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
:bI,rEW#_ {
":nI_~q ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
MV9r5 |3- if(!ssh)
Kjv2J;Xuh {
[@x ServicePaused();
p0 return;
V@Ax}<$A }
N-Qu/,~+ ServiceRunning();
FXcc1X/ Sleep(100);
O0->sR //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
"--/v. Cs //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
&:-GI)[o if(KillPS(atoi(lpszArgv[5])))
C"(_mW{@ ServiceStopped();
B5D3_iX] else
9#ZzE/ ServicePaused();
:J<Owh@ return;
r!CA2iK` }
$tEdBnf^ca /////////////////////////////////////////////////////////////////////////////
HhzkMJR8 void main(DWORD dwArgc,LPTSTR *lpszArgv)
Ca$y819E2 {
t`h_+p%> SERVICE_TABLE_ENTRY ste[2];
u6]gQP">I ste[0].lpServiceName=ServiceName;
{ 576+:* ste[0].lpServiceProc=ServiceMain;
gfV]^v ste[1].lpServiceName=NULL;
9+W!k^VWq ste[1].lpServiceProc=NULL;
RzMA\r;# StartServiceCtrlDispatcher(ste);
P>>f{3e. return;
y|$vtD%c }
1<;\6sg /////////////////////////////////////////////////////////////////////////////
eog\pMv function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
CZF^Wxk 下:
*Rz!i m| /***********************************************************************
jQO*oq} Module:function.c
0kkRK*fp}x Date:2001/4/28
u<$S> Author:ey4s
\dC.%# Http://www.ey4s.org 9zmD6G!}t ***********************************************************************/
=`r ppO #include
<yis ////////////////////////////////////////////////////////////////////////////
4
`j,&= BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
ys:1Z\$P {
4F}g( TOKEN_PRIVILEGES tp;
?a*fy}A| LUID luid;
zw}@nqp !IfI-Q if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
F">Nrj-bs {
0~Um^q*'3 printf("\nLookupPrivilegeValue error:%d", GetLastError() );
oXnC"y}0P return FALSE;
5w]DncdQ~ }
Q]yV:7 tp.PrivilegeCount = 1;
L[`R8n1C tp.Privileges[0].Luid = luid;
lp IteZw: if (bEnablePrivilege)
)e@01l tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
Z|V"8jE else
C3&17O6 tp.Privileges[0].Attributes = 0;
"bv,I-\ // Enable the privilege or disable all privileges.
EI[e+@J AdjustTokenPrivileges(
xgZV0!% hToken,
SH .9!lQv FALSE,
Gw{Gt]liq &tp,
Np|:dP9#} sizeof(TOKEN_PRIVILEGES),
;D%$Eh&oma (PTOKEN_PRIVILEGES) NULL,
LsuAOB 8 (PDWORD) NULL);
!l sy&6 // Call GetLastError to determine whether the function succeeded.
Oz"@yL} if (GetLastError() != ERROR_SUCCESS)
e-L5=B {
`V?x
xq\ printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
XLkL#&Ir return FALSE;
_lP4ez
Y }
Ukk-(gjX return TRUE;
s:-8 Z\, }
<B|n<R<? ////////////////////////////////////////////////////////////////////////////
Z!q2F%02FO BOOL KillPS(DWORD id)
AAIyr703cQ {
]>]#zu$=c HANDLE hProcess=NULL,hProcessToken=NULL;
<Tj"GVZAEO BOOL IsKilled=FALSE,bRet=FALSE;
=NVZ$K OZ __try
fvAh?<Ul {
[lDt0l5^ M="WUe_ if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
>
gA %MT {
)R
[@G. printf("\nOpen Current Process Token failed:%d",GetLastError());
q/W{PBb-2k __leave;
hP'~ }
|G`4"``]k //printf("\nOpen Current Process Token ok!");
*7:u-}c! if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
[TiTff&LV {
w>H%[\Qs __leave;
/K2.V@T }
\NvC
printf("\nSetPrivilege ok!");
P#vv+]/ 3B!&ow<rt if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
N}.Q%&6: {
sRo<4U0M;l printf("\nOpen Process %d failed:%d",id,GetLastError());
)A>U<n $h __leave;
Zi[{\7a }
wiK@o$S- //printf("\nOpen Process %d ok!",id);
lOowMlf@2 if(!TerminateProcess(hProcess,1))
W TXD4} {
w@gl printf("\nTerminateProcess failed:%d",GetLastError());
`? 9]' __leave;
Z9;nC zHm }
qd#(`%_/ IsKilled=TRUE;
]yj4~_&O }
s+y'<88 __finally
(Fbm9(q$d {
} K+Q9<~u if(hProcessToken!=NULL) CloseHandle(hProcessToken);
hJ$C%1; if(hProcess!=NULL) CloseHandle(hProcess);
{kRDegby }
Skr\a\
J return(IsKilled);
MA/"UV&M( }
VOowA^ //////////////////////////////////////////////////////////////////////////////////////////////
!}Woo$#ND 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:
*pS7/Qe /*********************************************************************************************
q N[\J7Pz9 ModulesKill.c
5'{qEZs^QU Create:2001/4/28
:*F3 Modify:2001/6/23
PpJE|[] Author:ey4s
$BR=IYby Http://www.ey4s.org %%-U. PsKill ==>Local and Remote process killer for windows 2k
R%]9y]HQ **************************************************************************/
7YQK@lS #include "ps.h"
!~w6"%2+7 #define EXE "killsrv.exe"
?@g;[310` #define ServiceName "PSKILL"
PJSDY1T QYf/tQg$ #pragma comment(lib,"mpr.lib")
&4[#_(pk //////////////////////////////////////////////////////////////////////////
:#Ex3H7 //定义全局变量
yp^[]Mz= SERVICE_STATUS ssStatus;
.JD4gF2N SC_HANDLE hSCManager=NULL,hSCService=NULL;
mER8>
< BOOL bKilled=FALSE;
VFO&)E/- char szTarget[52]=;
"t%1@b*u //////////////////////////////////////////////////////////////////////////
O0=,&=i BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
z6L>!= BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
jr#g>7yM BOOL WaitServiceStop();//等待服务停止函数
c9ov;Bw6S BOOL RemoveService();//删除服务函数
Q'Q72Fg /////////////////////////////////////////////////////////////////////////
q.,p6D int main(DWORD dwArgc,LPTSTR *lpszArgv)
\/x)BE, {
&[W3e3Asra BOOL bRet=FALSE,bFile=FALSE;
*k@0:a(> char tmp[52]=,RemoteFilePath[128]=,
0]2B-o"kI szUser[52]=,szPass[52]=;
p.TiTFu/ HANDLE hFile=NULL;
H[_uVv;}6 DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
K#6`LL m x>8}|ou //杀本地进程
\{+nXn if(dwArgc==2)
^*?B)D =, {
wE8a4. if(KillPS(atoi(lpszArgv[1])))
/F8\%l+ printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
3<UDVt@0 else
W:+2We @ printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
0imqj7L lpszArgv[1],GetLastError());
_'v }=:X return 0;
u=v%7c2Mx} }
qeK //用户输入错误
tE9_dR^K else if(dwArgc!=5)
N`|Ab(. {
{KpH|i printf("\nPSKILL ==>Local and Remote Process Killer"
utm+\/ "\nPower by ey4s"
.'NO~ "\nhttp://www.ey4s.org 2001/6/23"
G
&rYz "\n\nUsage:%s <==Killed Local Process"
4f*Ua`E_ "\n %s <==Killed Remote Process\n",
p$b=r+1f lpszArgv[0],lpszArgv[0]);
thm3JfQt return 1;
cJ(zidf_$ }
1R+ )T'in //杀远程机器进程
c^[1]'y strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
(zTI)EV strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
=
"hY{RUa strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
s>M~g,xTU O.up%'%, //将在目标机器上创建的exe文件的路径
HBga'xJ sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
Sfr\%Buv __try
=Q=&Ucf_ {
g%q?2Nv //与目标建立IPC连接
Qdx`c^4m if(!ConnIPC(szTarget,szUser,szPass))
X5oW[ {
X^_+%U printf("\nConnect to %s failed:%d",szTarget,GetLastError());
UN
.[,%<s return 1;
Q3'B$,3O^ }
LN3dp?;_{ printf("\nConnect to %s success!",szTarget);
divZJc //在目标机器上创建exe文件
#u2&8-Gh .jGsO0 hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
|<Dx E,
<}Wy;!L NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
lTOM/^L if(hFile==INVALID_HANDLE_VALUE)
4-nr_
WCm4 {
%_@5_S printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
DneSzqO"o __leave;
SeJFZ0p }
k4AE`[UE //写文件内容
[TfV2j* e while(dwSize>dwIndex)
8.3_Wb(c {
s3E~X m)]fJ_ if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
Mb2 L32 {
ZEyGqCf3 printf("\nWrite file %s
F6GZZKj failed:%d",RemoteFilePath,GetLastError());
1PTu3o&3 __leave;
~
GT\RAj[ }
qxcBj dwIndex+=dwWrite;
Y /ac}q }
wyA(}iSq //关闭文件句柄
~G^}2#5 CloseHandle(hFile);
QB|fFj58u bFile=TRUE;
.lF\b A| //安装服务
=wR]X*Pan if(InstallService(dwArgc,lpszArgv))
kcz#8K]~ {
i6 ypx //等待服务结束
ZYD88kQ if(WaitServiceStop())
|KrG3-i3X {
W0T
i ^@ //printf("\nService was stoped!");
<pl2
dxy }
%d#)({N else
$J0~2TV< {
Gx* 0$4xJ3 //printf("\nService can't be stoped.Try to delete it.");
[.Wt,zrE }
1
GHgwT Sleep(500);
0S5C7df //删除服务
M^JZ]W( RemoveService();
dVGUhXN6 }
Am?Hkh2 }
>dm._*M __finally
'%RK KA {
<VxpMF //删除留下的文件
MJ/%$ if(bFile) DeleteFile(RemoteFilePath);
_NqT8C4C //如果文件句柄没有关闭,关闭之~
*_K-T# if(hFile!=NULL) CloseHandle(hFile);
GuY5 %wr //Close Service handle
<w2NJ~M^ if(hSCService!=NULL) CloseServiceHandle(hSCService);
6.7Kp //Close the Service Control Manager handle
-Tkd@ if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
Y&