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。
bY*_6SPK4 OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
vRD(* S9^ <1>与远程系统建立IPC连接
<<Y]P+uU <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
#pPR>,4 <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
qu]a+cYY <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
U3v~R4 <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
X56q,jCJ{ <6>服务启动后,killsrv.exe运行,杀掉进程
&gJ@"`r4 <7>清场
<:N$ $n 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
zlTLp-^Y /***********************************************************************
SB5qm?pT8< Module:Killsrv.c
zQt)>Qx_ Date:2001/4/27
!{ _:k%B Author:ey4s
AW9%E/{ Http://www.ey4s.org 1=E}X5 ***********************************************************************/
,?Vxcr #include
+u t%C.1
#include
45iO2W uur #include "function.c"
n<HF] #define ServiceName "PSKILL"
yp@cn(:~ \IzZJGi SERVICE_STATUS_HANDLE ssh;
9$VdYw7D SERVICE_STATUS ss;
7lJ8<EP9
u /////////////////////////////////////////////////////////////////////////
V~5vR`} void ServiceStopped(void)
CDW|cr{ {
Qy=tkCN ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
fIatp ss.dwCurrentState=SERVICE_STOPPED;
1DL+=- ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
cXN0D\%` ss.dwWin32ExitCode=NO_ERROR;
#BS!J&a ss.dwCheckPoint=0;
QfM^J5j.M? ss.dwWaitHint=0;
i=M[$ SetServiceStatus(ssh,&ss);
mz;ExV16 return;
~7Nqwwx }
#q9BU: /////////////////////////////////////////////////////////////////////////
E%stFyr9`/ void ServicePaused(void)
sk0/3X*Q% {
vp d!|/ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
3+:NX6Ewb* ss.dwCurrentState=SERVICE_PAUSED;
~)X;z"y%b ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
|8x_Av0 ss.dwWin32ExitCode=NO_ERROR;
-XkjO$=!= ss.dwCheckPoint=0;
=
1d$x: ss.dwWaitHint=0;
%$Q!'+YW SetServiceStatus(ssh,&ss);
/BF7N3 return;
e(`r"RrQ }
98_os2` void ServiceRunning(void)
x}d5Y {
$[J\sokpY ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
je>gT`8 ss.dwCurrentState=SERVICE_RUNNING;
@wP.Rd ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
_n4`mL8>kH ss.dwWin32ExitCode=NO_ERROR;
ZX{eggXl ss.dwCheckPoint=0;
P/]8+_K ss.dwWaitHint=0;
BCd0X. m( SetServiceStatus(ssh,&ss);
V2tA!II-s return;
p!?7; }
oW(8bd) /////////////////////////////////////////////////////////////////////////
[`KQ\4u void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
tEibxE {
G`;mSq6i switch(Opcode)
F%{z EANm {
U^-J_yq case SERVICE_CONTROL_STOP://停止Service
wjOqCF" ServiceStopped();
;[Esop break;
q zo)\, case SERVICE_CONTROL_INTERROGATE:
`<Hc,D; p SetServiceStatus(ssh,&ss);
#SD2b,f break;
HDu|KW$o1 }
: B1
"=ly return;
TFhYu }
<!|=_W6 //////////////////////////////////////////////////////////////////////////////
6Hd^qouid //杀进程成功设置服务状态为SERVICE_STOPPED
D6e<1W //失败设置服务状态为SERVICE_PAUSED
*1>T c,mb //
_F8-4 void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
:b#5cMUe {
~n/:a ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
K:pG<oV|} if(!ssh)
1'B=JyR~K {
:n
x;~f ServicePaused();
SBw'z(U return;
_,- \; }
[~Z#yEiW^ ServiceRunning();
_tO2PIL@Z Sleep(100);
r&L1jT. //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
Vr&v:8:wb //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
pcm1IwR` if(KillPS(atoi(lpszArgv[5])))
tfe'].uT ServiceStopped();
Z@Qf0
c else
2"Y=*s ServicePaused();
1fF\k#BE-% return;
lPl JL`e }
i{J[;rV9 /////////////////////////////////////////////////////////////////////////////
a$6pA@7} void main(DWORD dwArgc,LPTSTR *lpszArgv)
i\MW'b {
!}xRwkN SERVICE_TABLE_ENTRY ste[2];
Pp|pH|(n , ste[0].lpServiceName=ServiceName;
{Z[kvXf"mZ ste[0].lpServiceProc=ServiceMain;
ACgWT ste[1].lpServiceName=NULL;
&0-Pl.M ste[1].lpServiceProc=NULL;
_'s5FlZq StartServiceCtrlDispatcher(ste);
\z2d=E return;
#mO.[IuD }
vF@.BM> /////////////////////////////////////////////////////////////////////////////
|'#uV)b0@ function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
uYc&Q$U 下:
jg3['hTJT /***********************************************************************
a\I`:RO=<Z Module:function.c
q0\$wI Date:2001/4/28
9Mv4=k^7|4 Author:ey4s
q{)Q ?E Http://www.ey4s.org %E2C4UbY ***********************************************************************/
.>(qZEF #include
<^8OYnp ////////////////////////////////////////////////////////////////////////////
?Ye%k BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
]O+Nl5* {
+Nka,C^O" TOKEN_PRIVILEGES tp;
;!>>C0s" LUID luid;
cACnBgLl OL#RkD if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
V0:db {
VU|Cct&) printf("\nLookupPrivilegeValue error:%d", GetLastError() );
jTY{MY Jh return FALSE;
e?-LB }
]PXpzruy tp.PrivilegeCount = 1;
(8j@+J tp.Privileges[0].Luid = luid;
8L(KdDY if (bEnablePrivilege)
S'vUxOAo tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
/M_kJe,% else
DRi/< tp.Privileges[0].Attributes = 0;
5wMEp" YHE // Enable the privilege or disable all privileges.
faI4`.i AdjustTokenPrivileges(
Qp>Q-+e0 hToken,
H0mDs7 FALSE,
O,KlZf_B &tp,
=TXc- J sizeof(TOKEN_PRIVILEGES),
yAVt[+0 (PTOKEN_PRIVILEGES) NULL,
vy F(k3W (PDWORD) NULL);
UIw6~a3E // Call GetLastError to determine whether the function succeeded.
cGjkx3l* if (GetLastError() != ERROR_SUCCESS)
eD 7Rv< {
W-ECmw( printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
rYr.mX return FALSE;
.'N#qs_ }
{eo?vA8SE return TRUE;
G{oM2`c'#8 }
p&;,$KDA ////////////////////////////////////////////////////////////////////////////
cY*lsBo BOOL KillPS(DWORD id)
J7rfHhz {
cV)~%e/ HANDLE hProcess=NULL,hProcessToken=NULL;
&]/.=J BOOL IsKilled=FALSE,bRet=FALSE;
Aaix?
|XN __try
GpM_Qp {
J)Td'iT( )F35WP~ if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
BLhuYuON {
]dIr;x` printf("\nOpen Current Process Token failed:%d",GetLastError());
:J+GodW __leave;
K3t^y`z }
r7p>`>_Q\ //printf("\nOpen Current Process Token ok!");
zL3'',Ha if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
D$c4's`5 {
tt>=Vt' __leave;
meV
RdQ }
_26F[R1><~ printf("\nSetPrivilege ok!");
ktKT=(F& hC= ="4 - if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
x;R9Gc[5 {
<$
Ar*<,6 printf("\nOpen Process %d failed:%d",id,GetLastError());
Z?-l-sK __leave;
T/C1x9=? }
W1J7$ //printf("\nOpen Process %d ok!",id);
(wIpq<% if(!TerminateProcess(hProcess,1))
ouUU(jj02 {
\6${Na'\ printf("\nTerminateProcess failed:%d",GetLastError());
c
=i6 __leave;
BK]q^.7+: }
oMi"X"C:q IsKilled=TRUE;
,!4(B1@
}
/fc@=CO __finally
07+Qai-] {
%fz!'C_4 if(hProcessToken!=NULL) CloseHandle(hProcessToken);
P1ab2D if(hProcess!=NULL) CloseHandle(hProcess);
]Z\.Vx }
R#Bdfmldq return(IsKilled);
z7J2O }
u-. _; //////////////////////////////////////////////////////////////////////////////////////////////
#`4ma:Pj OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
jM3{A;U2 /*********************************************************************************************
<[7.+{qfW ModulesKill.c
f"5vpU^5* Create:2001/4/28
[nlW}1)46 Modify:2001/6/23
QY<2i-A Author:ey4s
X^H)2G>e Http://www.ey4s.org Dl%NVi+n PsKill ==>Local and Remote process killer for windows 2k
Pw'3ya8 **************************************************************************/
m.p{+_@M& #include "ps.h"
u-7/4Y)c #define EXE "killsrv.exe"
U.G** v #define ServiceName "PSKILL"
;[@<
, Ui7S8c#tH #pragma comment(lib,"mpr.lib")
u1&pJLK0[ //////////////////////////////////////////////////////////////////////////
Ij }RlYQz //定义全局变量
~$i36" SERVICE_STATUS ssStatus;
70:a2m SC_HANDLE hSCManager=NULL,hSCService=NULL;
BUcze\+ BOOL bKilled=FALSE;
e;<=aa)}? char szTarget[52]=;
!285=cxz //////////////////////////////////////////////////////////////////////////
wvA@\-.+ BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
amIG9:-1' BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
v>71?te BOOL WaitServiceStop();//等待服务停止函数
@DrMaTr BOOL RemoveService();//删除服务函数
/E@| /////////////////////////////////////////////////////////////////////////
$R7n1 int main(DWORD dwArgc,LPTSTR *lpszArgv)
?8n`4yO0 {
DxT8;`I% BOOL bRet=FALSE,bFile=FALSE;
gX34'<Z char tmp[52]=,RemoteFilePath[128]=,
*#,wV
szUser[52]=,szPass[52]=;
Jx@3zl HANDLE hFile=NULL;
.4~n|d>z DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
\0m[Ch}~ey _}7N,Cx //杀本地进程
=x~HcsJ8!R if(dwArgc==2)
+)FB[/pXk {
W9?Vh{w if(KillPS(atoi(lpszArgv[1])))
T'l >$6 printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
{ls$#a+d else
gfs?H # printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
'kK}9VKl lpszArgv[1],GetLastError());
&/4W1=>( return 0;
'k#^Z }
ucyz>TL0 //用户输入错误
FMuM:%&J] else if(dwArgc!=5)
{|6(_SM| {
l=ZhHON printf("\nPSKILL ==>Local and Remote Process Killer"
Dm[4`p@IY\ "\nPower by ey4s"
jYRwtP\ "\nhttp://www.ey4s.org 2001/6/23"
A -G?@U "\n\nUsage:%s <==Killed Local Process"
.Kr?vD^nG "\n %s <==Killed Remote Process\n",
v*1UNXU\ lpszArgv[0],lpszArgv[0]);
>9(lFh0P return 1;
[C)-=.Xx)j }
Be+vC=\K //杀远程机器进程
d:6?miMH]t strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
g#;w)- Zj strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
l-"$a8jn2 strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
E[>4b7{g: ewSFB <
N //将在目标机器上创建的exe文件的路径
T"XP`gk sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
G_g~-[O __try
J
A ]s {
#n7uw //与目标建立IPC连接
"EQ-`b=I4 if(!ConnIPC(szTarget,szUser,szPass))
X 6/k `J {
E/9 U0 printf("\nConnect to %s failed:%d",szTarget,GetLastError());
_pM&Ya return 1;
C$xU!9K[+ }
_gjsAbM printf("\nConnect to %s success!",szTarget);
e7ixi^Q //在目标机器上创建exe文件
G@anY=D\EB )%U&z>^P hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
9Nglt3J[ E,
<1VzQH!o NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
1_THBL26d if(hFile==INVALID_HANDLE_VALUE)
%<JjftNQ {
Q d]5e printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
;$=`BI) __leave;
Jeyy Z= }
/+ vl({vV //写文件内容
7$+n"Cfm while(dwSize>dwIndex)
'Uew(o {
(CS"s+y1 &""~Pn8 if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
1"009/| {
W~
XJ ']e printf("\nWrite file %s
Sb+pB58&N failed:%d",RemoteFilePath,GetLastError());
l)fF)\ |;= __leave;
a%7ju4CVj }
2:Q9gru dwIndex+=dwWrite;
f7}/ {}g }
b&B<'Wb //关闭文件句柄
SY_T\
} CloseHandle(hFile);
jm'(t=Ze bFile=TRUE;
SJ;u,XyWn //安装服务
/Ws@YP if(InstallService(dwArgc,lpszArgv))
*;8tj5du {
oori t //等待服务结束
^wCjMi(sj if(WaitServiceStop())
PmO utYV {
d>}pz //printf("\nService was stoped!");
W`K XO|'p@ }
r}MXXn,f else
` ZXX[&C {
"?hEGJ;m" //printf("\nService can't be stoped.Try to delete it.");
F`3c uL[N }
dX: (%_Mn Sleep(500);
5bR;R{:x //删除服务
)V%xbDd S RemoveService();
(Sr&Y1D }
pj G6v(zK }
z_~f/ __finally
7^#f<m;Ar! {
eyy{z;D8r //删除留下的文件
u[dR*o0' if(bFile) DeleteFile(RemoteFilePath);
Ey=(B'A~ //如果文件句柄没有关闭,关闭之~
wIz<Y{HA= if(hFile!=NULL) CloseHandle(hFile);
.a1WwI
//Close Service handle
]d}Z2I' if(hSCService!=NULL) CloseServiceHandle(hSCService);
[
/w{,+U //Close the Service Control Manager handle
cHs@1R/-s if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
$R%xeih1fz //断开ipc连接
[WnX'R R wsprintf(tmp,"\\%s\ipc$",szTarget);
$&