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。
B&3@b OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
t]t(/x# <1>与远程系统建立IPC连接
3gCP?%R <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
Kv5 !cll5 <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
6XhS
g0s <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
-k,}LJjo <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
D#ED?Lqf <6>服务启动后,killsrv.exe运行,杀掉进程
PVq y\i <7>清场
#R=6$ 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
g>?,,y6/w /***********************************************************************
&fxyY( Module:Killsrv.c
sBN4:8 Date:2001/4/27
]x_14$rk Author:ey4s
oe_,q&e Http://www.ey4s.org NUY sQO) ***********************************************************************/
I7#+B1t #include
A{hST~s #include
}N3Ur~X\ #include "function.c"
_rUsb4r #define ServiceName "PSKILL"
\$8p8MP<&D #=fd8}9 SERVICE_STATUS_HANDLE ssh;
7&dPrnQX= SERVICE_STATUS ss;
v Dph}Z /////////////////////////////////////////////////////////////////////////
bsWDjV~ void ServiceStopped(void)
n
QOLR?% {
M)nf(jw#G ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
A@EUH ss.dwCurrentState=SERVICE_STOPPED;
V+y:!t` ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
}?d
l.=eq ss.dwWin32ExitCode=NO_ERROR;
1z8AK"8 ss.dwCheckPoint=0;
0j-;4>p ss.dwWaitHint=0;
4mWT"T-8 SetServiceStatus(ssh,&ss);
aj]%c_])( return;
0 KWi<G1 }
5r\Rfma /////////////////////////////////////////////////////////////////////////
\xtmd[7lb< void ServicePaused(void)
j98>Jr\ {
u $T'#p1
ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
/#4BUfY
f ss.dwCurrentState=SERVICE_PAUSED;
A.S:eQvS% ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
q1M16qv5 ss.dwWin32ExitCode=NO_ERROR;
}15ooe% ss.dwCheckPoint=0;
0'y3iar ss.dwWaitHint=0;
c:`&QDF SetServiceStatus(ssh,&ss);
9y"\]G77E return;
,OO0*% }
r`=!4vY2 void ServiceRunning(void)
z9*7fT {
JMYM}G ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
cM+s)4TPL ss.dwCurrentState=SERVICE_RUNNING;
cW, 6MAQo ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
R$40cW3` ss.dwWin32ExitCode=NO_ERROR;
^pZ\: ss.dwCheckPoint=0;
=kWm9W<^ ss.dwWaitHint=0;
<j89HtCz SetServiceStatus(ssh,&ss);
0 Pa\:^/6 return;
!TuMrA* }
`Df)wNN1 /////////////////////////////////////////////////////////////////////////
~%:23mIk void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
DadlCEZv {
ZTSNM)f switch(Opcode)
7b[vZNi_ {
}q@Jh* case SERVICE_CONTROL_STOP://停止Service
?)#}Nj<R ServiceStopped();
faaFmEC break;
"(#]H;!W case SERVICE_CONTROL_INTERROGATE:
v.I>B3bEg SetServiceStatus(ssh,&ss);
`BHPjp> break;
W 7Y5~%@ }
Mi"dFx^Md return;
E MKv)5MH }
/7<l`RSr //////////////////////////////////////////////////////////////////////////////
KrT+Svm //杀进程成功设置服务状态为SERVICE_STOPPED
H@,(
//失败设置服务状态为SERVICE_PAUSED
(f|3(u'e? //
pVm'XP void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
as6YjE.Yy {
fg1["{\ ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
s4c2 if(!ssh)
xFt[:G`\}u {
ljTnxg/?
W ServicePaused();
#?Z>o16,u return;
rn7eY }
{]/}3t ServiceRunning();
R(sPU>`MX Sleep(100);
p#UrZKR //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
_>8ZL)NQQ //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
~e5hfZv|w if(KillPS(atoi(lpszArgv[5])))
ew#t4~hh ServiceStopped();
sF$$S/b else
25RFi24>D ServicePaused();
%EuJ~;x(Mg return;
qJ b9JL$s }
B'OUT2cgB /////////////////////////////////////////////////////////////////////////////
ruG5~dm> void main(DWORD dwArgc,LPTSTR *lpszArgv)
90oG+T4 {
Ccld;c&+ SERVICE_TABLE_ENTRY ste[2];
ndn)}Z!0h ste[0].lpServiceName=ServiceName;
-lL(:drn ste[0].lpServiceProc=ServiceMain;
8[Ssrk ste[1].lpServiceName=NULL;
RjY(MSc ste[1].lpServiceProc=NULL;
.mzy?!w0q StartServiceCtrlDispatcher(ste);
}]ak6'|[ return;
W *t+!cU/: }
[;`B /////////////////////////////////////////////////////////////////////////////
x roo_ 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
`;yfSoY 下:
;N4A9/) /***********************************************************************
iX]Vkx Module:function.c
A~_*vcz Date:2001/4/28
Nv@SpV' Author:ey4s
]3xb Q1 Http://www.ey4s.org (*>%^ C? ***********************************************************************/
a7+w)]r #include
G=R`O1-3 ////////////////////////////////////////////////////////////////////////////
!=7(3<? BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
]_6w(>A@3# {
gJE m TOKEN_PRIVILEGES tp;
Em?Z LUID luid;
' XJ>;",[ |'B-^? ; if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
hSQuML {
y3^<rff3Gc printf("\nLookupPrivilegeValue error:%d", GetLastError() );
mhZ{}~ return FALSE;
9?5'>WO }
&eL02:[ tp.PrivilegeCount = 1;
$9!2c / tp.Privileges[0].Luid = luid;
^Oy97Y if (bEnablePrivilege)
1 ]Q;fe tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
)N4!zuSVf else
K(
: NshM tp.Privileges[0].Attributes = 0;
X}@^$'W // Enable the privilege or disable all privileges.
N?Byp&rqI< AdjustTokenPrivileges(
o
gec6u} hToken,
z ;>xI~ FALSE,
YIjY? &tp,
f;AQw_{ sizeof(TOKEN_PRIVILEGES),
9Z.Xo kg (PTOKEN_PRIVILEGES) NULL,
7>#?-, B (PDWORD) NULL);
fhGI // Call GetLastError to determine whether the function succeeded.
TPjElBh if (GetLastError() != ERROR_SUCCESS)
By&T59 {
'MLp*3djF, printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
dux.Z9X? return FALSE;
xeo5) }
e
:(7$jo return TRUE;
w;@NYMK) }
1>I4=mj ////////////////////////////////////////////////////////////////////////////
]_!5g3VQh BOOL KillPS(DWORD id)
>|{n";n& {
e[<vVe! HANDLE hProcess=NULL,hProcessToken=NULL;
B 2p/ BOOL IsKilled=FALSE,bRet=FALSE;
gD}lDK6N __try
00jW s@K {
Q&j-a;L g=)B+SY' if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
%b8ig1 {
,sw|OYb printf("\nOpen Current Process Token failed:%d",GetLastError());
?A4zIJ\ __leave;
Y fRjr }
Gw!VPFV>W //printf("\nOpen Current Process Token ok!");
sIUhk7Cd8 if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
=35g:fL {
oT76)O __leave;
uX82q.u_y }
HQtR;[1 printf("\nSetPrivilege ok!");
63'Rw'g^|2 dY=]ES}` if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
/\L-y,>X {
/e/%mo printf("\nOpen Process %d failed:%d",id,GetLastError());
E}?n^Zf __leave;
R;mA2:W)x }
pco:]3BF6 //printf("\nOpen Process %d ok!",id);
5;WESk if(!TerminateProcess(hProcess,1))
B* 0TM+
{
Y-yozt printf("\nTerminateProcess failed:%d",GetLastError());
Dj?84y __leave;
l k~VvRq }
!wbO:py[8> IsKilled=TRUE;
O*Gg57a }
s2Z'_rT __finally
#:B14E {
4S%s=vw if(hProcessToken!=NULL) CloseHandle(hProcessToken);
_3Kow{y\ if(hProcess!=NULL) CloseHandle(hProcess);
qQ&=Z`p! }
6d7E@}< return(IsKilled);
`!,"">5 }
.rPg //////////////////////////////////////////////////////////////////////////////////////////////
_HMQx_e0YM 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:
k)j6rU /*********************************************************************************************
={'3j ModulesKill.c
-!@]z2uU Create:2001/4/28
p!oO}gE Modify:2001/6/23
a/wg%cWG_ Author:ey4s
.(J~:U Http://www.ey4s.org 7)RDu,fx PsKill ==>Local and Remote process killer for windows 2k
Dj9v9 **************************************************************************/
D02'P{ #include "ps.h"
h(~@
nd{ #define EXE "killsrv.exe"
wH?]kV8Q #define ServiceName "PSKILL"
dDu8n+(8 L > J.q3 #pragma comment(lib,"mpr.lib")
v(0IQ //////////////////////////////////////////////////////////////////////////
'zJBp 9a% //定义全局变量
:9H`O!VF SERVICE_STATUS ssStatus;
!n`9V^` SC_HANDLE hSCManager=NULL,hSCService=NULL;
7MbV|gM} BOOL bKilled=FALSE;
%LM2CgH
V char szTarget[52]=;
|*fi!nvk@ //////////////////////////////////////////////////////////////////////////
H*.v*ro9_ BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
K#%@4]jO3 BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
=I.uf BOOL WaitServiceStop();//等待服务停止函数
}HCt=W` BOOL RemoveService();//删除服务函数
EpW89X /////////////////////////////////////////////////////////////////////////
5'<J@3B int main(DWORD dwArgc,LPTSTR *lpszArgv)
wiFA3_\G {
"lVbla4b
BOOL bRet=FALSE,bFile=FALSE;
<lkt'iT=Sz char tmp[52]=,RemoteFilePath[128]=,
A!$;pwn0 szUser[52]=,szPass[52]=;
2%?Kc]JY9 HANDLE hFile=NULL;
$x~U&a DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
gB_gjn\ @
^q}.u` //杀本地进程
WJlJD*3 if(dwArgc==2)
~XeWN^l(Ov {
u+;iR/ if(KillPS(atoi(lpszArgv[1])))
XQ'$J_hC printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
,Gi%D3lA else
\? n<UsI printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
<@S'vcO lpszArgv[1],GetLastError());
)H1\4LeP return 0;
rff_=(?i }
:Z[|B(U //用户输入错误
aCRiW;+' else if(dwArgc!=5)
#Zg pm"MW {
~hxW3e printf("\nPSKILL ==>Local and Remote Process Killer"
YB+My~fw{l "\nPower by ey4s"
x%yzhIRR "\nhttp://www.ey4s.org 2001/6/23"
^:^ "\n\nUsage:%s <==Killed Local Process"
[]-<-TqJ "\n %s <==Killed Remote Process\n",
/B
53Z[yL lpszArgv[0],lpszArgv[0]);
1rIL[(r4 return 1;
GU0[K#% }
!59,<N1Iu //杀远程机器进程
Q<Q?#v7NX strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
-5b#w"^w^ strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
'u#c_m!9 strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
no$X0ia {zI>"%$u //将在目标机器上创建的exe文件的路径
\4j(el sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
D!DL6l` __try
P(bds {
84_Y+_9 //与目标建立IPC连接
\IhHbcF`d if(!ConnIPC(szTarget,szUser,szPass))
;uho.)%N`F {
-]Ny-[P printf("\nConnect to %s failed:%d",szTarget,GetLastError());
yJ:rry return 1;
:-Wh'H( }
HPY;UN printf("\nConnect to %s success!",szTarget);
gXj3=N(l //在目标机器上创建exe文件
Bdcs}Ga I{$TMkh[ hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
lot;d3} E,
YIs_.CTi NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
b
w! if(hFile==INVALID_HANDLE_VALUE)
J^=Xy(3e {
v"*c\, printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
Y
8-;eqH __leave;
?jU 3%" }
OWp`Wat //写文件内容
dbg%n 0h while(dwSize>dwIndex)
.:t&LC][ {
_Qq lOc9 v\g1w&PN if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
u"F{cA!B {
w0O(> printf("\nWrite file %s
k/M{2Po+ failed:%d",RemoteFilePath,GetLastError());
!TN)6e7`
__leave;
UJuz }
BxiR0snf0q dwIndex+=dwWrite;
DFbhy }
dtBr#Te //关闭文件句柄
fRwr}n' CloseHandle(hFile);
XaaR>HljJ bFile=TRUE;
Rw<O%i5/d //安装服务
.7+"KP: if(InstallService(dwArgc,lpszArgv))
'(zP; {
QJ%N80 //等待服务结束
O[$XgPM if(WaitServiceStop())
l>6p')F! {
t^=S\1"R\ //printf("\nService was stoped!");
,uD}1
G<u }
xP7mP+D else
It]GlxMX {
JH#p;7; //printf("\nService can't be stoped.Try to delete it.");
^}UFtL i }
ny0]Q@ Sleep(500);
iGBHlw;A //删除服务
CropHB/t RemoveService();
^[6#Kw&E }
(ylZ[M&B: }
%"e hZd0r __finally
{5 3#Xd {
vcZ"4%w //删除留下的文件
Y=/;7T if(bFile) DeleteFile(RemoteFilePath);
4m%Yck{R //如果文件句柄没有关闭,关闭之~
Qnx?5R-}ZU if(hFile!=NULL) CloseHandle(hFile);
xiVbVr#[ //Close Service handle
#+
{%>f if(hSCService!=NULL) CloseServiceHandle(hSCService);
KvjH\;78 //Close the Service Control Manager handle
\1eWI if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
dFZh1*1 //断开ipc连接
z"*3p8N wsprintf(tmp,"\\%s\ipc$",szTarget);
_y:aPn WNetCancelConnection2(tmp,CONNECT_UPDATE_PROFILE,TRUE);
\okvL2:! if(bKilled)
Z ?ATWCa printf("\nProcess %s on %s have been
aqgm killed!\n",lpszArgv[4],lpszArgv[1]);
2gW+&5;4 else
mj ,Oy printf("\nProcess %s on %s can't be
z3M6<.K killed!\n",lpszArgv[4],lpszArgv[1]);
?[.g~DK, }
O`_]n return 0;
16"L;r }
k;<F33v;Mh //////////////////////////////////////////////////////////////////////////
xv7nChB BOOL ConnIPC(char *RemoteName,char *User,char *Pass)
XvZ5Q {
R8|FqBs
NETRESOURCE nr;
)o;n2T#O char RN[50]="\\";
sUZ2A1J} XUK%O8N#9 strcat(RN,RemoteName);
XcKyrh;i strcat(RN,"\ipc$");
C9j5Pd5q1L "uBr]N: nr.dwType=RESOURCETYPE_ANY;
6Z-[-0o+g nr.lpLocalName=NULL;
\wp8kSzC nr.lpRemoteName=RN;
} 7i}dyQv} nr.lpProvider=NULL;
7U-?Rd 3=_to7] if(WNetAddConnection2(&nr,Pass,User,FALSE)==NO_ERROR)
#B__-"cRv return TRUE;
7 .xejz else
(`d _DQ return FALSE;
^mZTki4 }
!/Wv\qm /////////////////////////////////////////////////////////////////////////
CYNpbv BOOL InstallService(DWORD dwArgc,LPTSTR *lpszArgv)
%p};Di[V {
T_qh_L3 BOOL bRet=FALSE;
u73/#!(1=H __try
V6b) {
Yt;@@xe& //Open Service Control Manager on Local or Remote machine
mZ.E;X& ,* hSCManager=OpenSCManager(szTarget,NULL,SC_MANAGER_ALL_ACCESS);
t`0(5v if(hSCManager==NULL)
^ |>)H {
30h1)nQ$h} printf("\nOpen Service Control Manage failed:%d",GetLastError());
R[2h!.O8 __leave;
`4"&_ltD }
d-"[-+)- //printf("\nOpen Service Control Manage ok!");
u
&{|f //Create Service
%/wfY Rp* hSCService=CreateService(hSCManager,// handle to SCM database
9z(h8H ServiceName,// name of service to start
m
A|" ServiceName,// display name
tHo/Vly6Z SERVICE_ALL_ACCESS,// type of access to service
j*jq2u SERVICE_WIN32_OWN_PROCESS,// type of service
u_S>`I SERVICE_AUTO_START,// when to start service
"HbrYYRb'
SERVICE_ERROR_IGNORE,// severity of service
s`,. & failure
fQ,(,^!; EXE,// name of binary file
9'!I6;M NULL,// name of load ordering group
4\Cb4jq%/ NULL,// tag identifier
[mQ*];GA NULL,// array of dependency names
^Cn_
ODjo NULL,// account name
7h.:XlUm| NULL);// account password
Zx,aj //create service failed
?Tk4Vt if(hSCService==NULL)
)h(yh50
B {
g$S<_$Iey //如果服务已经存在,那么则打开
z(beT e if(GetLastError()==ERROR_SERVICE_EXISTS)
h9 3 {
EB>rY //printf("\nService %s Already exists",ServiceName);
?T:$:IHw //open service
O[#B906JB hSCService = OpenService(hSCManager, ServiceName,
<*&2b SERVICE_ALL_ACCESS);
,6a }l;lv if(hSCService==NULL)
d*<