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。
DT*/2TH*l 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
)T`?y <1>与远程系统建立IPC连接
p'H5yg3h <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
8w{V[@QLn <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
xe5>)\18- <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
rJAY7/u <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
"PX~Yc <6>服务启动后,killsrv.exe运行,杀掉进程
|PWLFiT(> <7>清场
XLtuck 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
sx22|j`)V /***********************************************************************
6)W9/V-W Module:Killsrv.c
o*<(,I% Date:2001/4/27
{vaq,2_w Author:ey4s
X3nwA#If1 Http://www.ey4s.org U<*dDE~z ***********************************************************************/
f`?|A
#include
pD){K #include
dZZHk #include "function.c"
&B))3WFy #define ServiceName "PSKILL"
cM55
vVd aUd633 SERVICE_STATUS_HANDLE ssh;
[ P
8e=; SERVICE_STATUS ss;
Cu0 /TeEM /////////////////////////////////////////////////////////////////////////
*{XbC\j void ServiceStopped(void)
A>X#[qx {
EB)0 iQ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
u!t'J+: ss.dwCurrentState=SERVICE_STOPPED;
5^%FEZ&Sp ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
vwP83b0ov" ss.dwWin32ExitCode=NO_ERROR;
l!GAMK 6o ss.dwCheckPoint=0;
C3D1rS/I ss.dwWaitHint=0;
~V (WD;Mk SetServiceStatus(ssh,&ss);
k&9
b&-=fk return;
<}|+2f233+ }
Rrs z{a
/////////////////////////////////////////////////////////////////////////
UA{A G; void ServicePaused(void)
&Uzg&eB {
A H`6)v<f ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
uYV#'% ss.dwCurrentState=SERVICE_PAUSED;
).k=[@@V ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
p`Ax)L\f ss.dwWin32ExitCode=NO_ERROR;
`2GHB@S"k ss.dwCheckPoint=0;
2 &R-zG ss.dwWaitHint=0;
;hRo}
+\l SetServiceStatus(ssh,&ss);
[IiwpC return;
b8>rUGA{ }
*ozeoX'5D void ServiceRunning(void)
ZVeY`o(uE {
la
f b^ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
94H 6` ss.dwCurrentState=SERVICE_RUNNING;
d'PjO-"g ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
q4Q1Ib-<2 ss.dwWin32ExitCode=NO_ERROR;
{gzL}KL ss.dwCheckPoint=0;
EWbFy"= ss.dwWaitHint=0;
B1 'Ds SetServiceStatus(ssh,&ss);
&g|-3)A return;
{D$#m }
,LG6py&aT /////////////////////////////////////////////////////////////////////////
!MoGdI-<r[ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
CmM K\R. {
_8kZ>w( L switch(Opcode)
z0a=A:+/ {
F $B_;G case SERVICE_CONTROL_STOP://停止Service
=!
/S | ServiceStopped();
Ow<=K:^ break;
$5:j" )$, case SERVICE_CONTROL_INTERROGATE:
waldLb>7D SetServiceStatus(ssh,&ss);
qY0p)`3!% break;
?PLf+S }
Hcuvu[)T" return;
)V} t(>V }
K`D>G< //////////////////////////////////////////////////////////////////////////////
nCJ)=P.d //杀进程成功设置服务状态为SERVICE_STOPPED
G,%R`Xns //失败设置服务状态为SERVICE_PAUSED
G|v{[>tr //
rD
fUTfv|Q void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
~gmj/PQ0 {
:,% vAI ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
<t&0[l if(!ssh)
?(4=:o {
P;{f+I|` ServicePaused();
vEk
jd# return;
hr(E,TAe }
W/L~&.' ServiceRunning();
Ak^g#^c* Sleep(100);
0DV
.1 //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
z`y!C3w< //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
GBVw6+(c if(KillPS(atoi(lpszArgv[5])))
:iP2e+j ServiceStopped();
h%9#~gJ}) else
>S,yqKp37~ ServicePaused();
Z`Rrv$M! return;
*shE-w;C }
B;@7 /////////////////////////////////////////////////////////////////////////////
'
cR||VX void main(DWORD dwArgc,LPTSTR *lpszArgv)
&;DK^ta*P {
K1Snag SERVICE_TABLE_ENTRY ste[2];
vlY83mU. ste[0].lpServiceName=ServiceName;
3dTz$s/[ ste[0].lpServiceProc=ServiceMain;
]nY,%XE ste[1].lpServiceName=NULL;
9@/X;zO ste[1].lpServiceProc=NULL;
Lk9X>`b#B StartServiceCtrlDispatcher(ste);
Ru9QQaHE return;
YzNSZJPD }
* G!C 'w\$ /////////////////////////////////////////////////////////////////////////////
t2uX+1F 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
50q(8F-N 下:
Ii FeO /***********************************************************************
o'O;69D]tX Module:function.c
T)?:q Date:2001/4/28
#eadkj#; Author:ey4s
gqJSz}' Http://www.ey4s.org 0A9llE ***********************************************************************/
ammlUWl #include
]-]K4*{ ////////////////////////////////////////////////////////////////////////////
4c^WQ>[ BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
pY]T32 {
Zawnx=
TOKEN_PRIVILEGES tp;
.^
djt LUID luid;
'-c
*S]: r 2t
7':X if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
$FXlH;_7 {
1seWR" printf("\nLookupPrivilegeValue error:%d", GetLastError() );
&GYnGrw?@ return FALSE;
&Z'3n9zl }
bji5X')~# tp.PrivilegeCount = 1;
v
*icoj tp.Privileges[0].Luid = luid;
r)<c
~\0 7 if (bEnablePrivilege)
# `L?24% tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
9B3+$uP else
&FrUj>i tp.Privileges[0].Attributes = 0;
*'&]DJj // Enable the privilege or disable all privileges.
p.@kv AdjustTokenPrivileges(
%Yw?!GvL[ hToken,
"{9^SPsp FALSE,
xB4}9zN s &tp,
c o 8bnH sizeof(TOKEN_PRIVILEGES),
^5E:hW[* (PTOKEN_PRIVILEGES) NULL,
1FA:"0lO (PDWORD) NULL);
(>49SOu;$\ // Call GetLastError to determine whether the function succeeded.
d!57`bVOd if (GetLastError() != ERROR_SUCCESS)
L0\~K~q {
G]v BI= printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
6+UTEw; return FALSE;
<S ae:m4 }
(jmF7XfU return TRUE;
7m$EZTw? }
y:',)f } ////////////////////////////////////////////////////////////////////////////
G22{',#r8 BOOL KillPS(DWORD id)
"f~*4g {
o'EJ,8 HANDLE hProcess=NULL,hProcessToken=NULL;
43.Q);4 BOOL IsKilled=FALSE,bRet=FALSE;
]A&pXAM __try
w%1-_;.aU6 {
;~,)6UX7 9 1.gE*D if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
8AVtUU {
WhT5NE9t printf("\nOpen Current Process Token failed:%d",GetLastError());
^]5^p9Jt"e __leave;
DuQW?9^232 }
v\lKY*@f //printf("\nOpen Current Process Token ok!");
g@zhhBtQ if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
#HDP ha {
"T@9#7Obu __leave;
=4[
U<opP }
6Vgxfic printf("\nSetPrivilege ok!");
'iWDYZ? @+{F\SD\ if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
8S`
j6 {
}U'VVPh_ printf("\nOpen Process %d failed:%d",id,GetLastError());
:al
,zxs __leave;
u!-v1O^[ }
dsU'UG7L //printf("\nOpen Process %d ok!",id);
od)ssL&E~ if(!TerminateProcess(hProcess,1))
p`2Q6 {
]JR2Av printf("\nTerminateProcess failed:%d",GetLastError());
JU#m?4g __leave;
<Nk:C1Op} }
]N2!
'c IsKilled=TRUE;
Jj/}GVNc7 }
$>7T s>8 __finally
{FX]1: {
7p-
RPC if(hProcessToken!=NULL) CloseHandle(hProcessToken);
IhN^*P:Fo if(hProcess!=NULL) CloseHandle(hProcess);
|c>.xt~ }
i;atYltEJ2 return(IsKilled);
nu)YN1
* }
g^}C/~b[ //////////////////////////////////////////////////////////////////////////////////////////////
f@gvDo]Y 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:
(_]!}N /*********************************************************************************************
M0g=gmau ModulesKill.c
Be9,m!on Create:2001/4/28
{V pk o Modify:2001/6/23
mMvAA; Author:ey4s
:`4F0 Http://www.ey4s.org -&Q+x,.% PsKill ==>Local and Remote process killer for windows 2k
E0x\h<6W~ **************************************************************************/
9)8Cf%<( #include "ps.h"
7n?yf_je #define EXE "killsrv.exe"
Qea"49R #define ServiceName "PSKILL"
u0]u"T&N! V;W{pd-I #pragma comment(lib,"mpr.lib")
w5^k84vye //////////////////////////////////////////////////////////////////////////
6i%6u=um3 //定义全局变量
'oK oF SERVICE_STATUS ssStatus;
|Y8}*C\M.h SC_HANDLE hSCManager=NULL,hSCService=NULL;
9 *uK]/c BOOL bKilled=FALSE;
*dxm|F98 char szTarget[52]=;
l p(D@FT //////////////////////////////////////////////////////////////////////////
PxQQf I> BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
icX4n BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
& Zn`2% BOOL WaitServiceStop();//等待服务停止函数
pF7N = mO BOOL RemoveService();//删除服务函数
0w:
3/WO /////////////////////////////////////////////////////////////////////////
S>>wf:\ c int main(DWORD dwArgc,LPTSTR *lpszArgv)
e&2,cQRFV {
)iM(
\=1ff BOOL bRet=FALSE,bFile=FALSE;
mE5{)<N:C char tmp[52]=,RemoteFilePath[128]=,
KK5;6b szUser[52]=,szPass[52]=;
; o
Y|~ HANDLE hFile=NULL;
W~2,J4= DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
vy}_aD{B 2m]4 //杀本地进程
Y<u%J#'[ if(dwArgc==2)
8nu!5 3 {
:o~'\:/ if(KillPS(atoi(lpszArgv[1])))
LSA6*Q51 printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
Il9xNVos# else
{@iLfBh5 printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
sT"ICooc lpszArgv[1],GetLastError());
_@y uaMoW= return 0;
6)ibXbH }
AWi>(wk< //用户输入错误
<" nWGF4d else if(dwArgc!=5)
W^h,O+vk {
fkp(M printf("\nPSKILL ==>Local and Remote Process Killer"
05k'TqT{c "\nPower by ey4s"
Wh..QVv "\nhttp://www.ey4s.org 2001/6/23"
ZzNHEV "\n\nUsage:%s <==Killed Local Process"
K}cA%Y "\n %s <==Killed Remote Process\n",
87[ ,.W lpszArgv[0],lpszArgv[0]);
x?V^l* return 1;
E"_{S.Wc }
3o[(pfcU //杀远程机器进程
:e=7=|@7 strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
$x`HmL3Sb strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
3e;|KU strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
f.uuXK >!@D^3PPA //将在目标机器上创建的exe文件的路径
D.:`]W| sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
u-|%K.A __try
\fEG5/s}T {
gJX"4]Ol#} //与目标建立IPC连接
eu" m0Q if(!ConnIPC(szTarget,szUser,szPass))
.z_nW1id {
F?R6zvive printf("\nConnect to %s failed:%d",szTarget,GetLastError());
P$Vh{]4i{ return 1;
e|~{X\l }
d;p3cW" printf("\nConnect to %s success!",szTarget);
DJgM>&Y6, //在目标机器上创建exe文件
.<>t2,Af ] 9C)F*r7 hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
nVWU\$Ft E,
g2TK(S|# NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
kVM*[<k if(hFile==INVALID_HANDLE_VALUE)
l![79eFp {
{CR`~)v& printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
NpZ'pBl __leave;
mfI[9G }
SaF0JPm4z //写文件内容
`Zo5!"' while(dwSize>dwIndex)
/<LjD {
&$CyT6mb^ *vRHF1)L if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
> `eo 0 {
CPNV\qCY printf("\nWrite file %s
:RB7#v={ failed:%d",RemoteFilePath,GetLastError());
cwaR#-# __leave;
3=ME$%f }
(AZneK
:* dwIndex+=dwWrite;
W%ix|R^2] }
Ja*,ht(5 //关闭文件句柄
l2Py2ZI-b CloseHandle(hFile);
~oSA&v4V bFile=TRUE;
:%mlsNw //安装服务
wjX0r7^@ if(InstallService(dwArgc,lpszArgv))
bupW*fD: {
#Qz9{1\G //等待服务结束
#oEtLb@O if(WaitServiceStop())
Lp$&eROFVs {
w\d1 //printf("\nService was stoped!");
MJe/ \ }
lxXF8c>U else
u];\v%b {
C|FI4/-e //printf("\nService can't be stoped.Try to delete it.");
^v;8 (eF }
o%]b\Vl6
Sleep(500);
A;C4>U Y //删除服务
ct*~\C6Ze RemoveService();
?j!/Hc/b4 }
UeBSt. }
!_o1;GzK __finally
|1OF!(: {
p0Ij4 //删除留下的文件
'#lEUlB if(bFile) DeleteFile(RemoteFilePath);
3WkrG.$[b //如果文件句柄没有关闭,关闭之~
,0Udz0 if(hFile!=NULL) CloseHandle(hFile);
REJBm //Close Service handle
}darXtZKkK if(hSCService!=NULL) CloseServiceHandle(hSCService);
9ys[xOh
WM //Close the Service Control Manager handle
>>-{AR0 if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
`o+J/nc //断开ipc连接
O'k<4'TC wsprintf(tmp,"\\%s\ipc$",szTarget);
)u!}`UJ WNetCancelConnection2(tmp,CONNECT_UPDATE_PROFILE,TRUE);
yq[CA`zVN if(bKilled)
9Kz} printf("\nProcess %s on %s have been
q4/P'.S killed!\n",lpszArgv[4],lpszArgv[1]);
3=L5Y/ else
i2O$oHd printf("\nProcess %s on %s can't be
x?R1/iHv killed!\n",lpszArgv[4],lpszArgv[1]);
LGRhCOP: }
G\f:H%[5[ return 0;
'OYnLz`"6 }
![%:X)? //////////////////////////////////////////////////////////////////////////
G8W^XD BOOL ConnIPC(char *RemoteName,char *User,char *Pass)
:Ot5W {
a!x?Apww NETRESOURCE nr;
<