#------------------------------------------------------------------------------ # linux: file(1) magic for Linux files # # Values for Linux/i386 binaries, from Daniel Quinlan <quinlan@yggdrasil.com> # The following basic Linux magic is useful for reference, but using # "long" magic is a better practice in order to avoid collisions. # # 2 leshort 100 Linux/i386 # >0 leshort 0407 impure executable (OMAGIC) # >0 leshort 0410 pure executable (NMAGIC) # >0 leshort 0413 demand-paged executable (ZMAGIC) # >0 leshort 0314 demand-paged executable (QMAGIC) # 0 lelong 0x00640107 Linux/i386 impure executable (OMAGIC) >16 lelong 0 \b, stripped 0 lelong 0x00640108 Linux/i386 pure executable (NMAGIC) >16 lelong 0 \b, stripped 0 lelong 0x0064010b Linux/i386 demand-paged executable (ZMAGIC) >16 lelong 0 \b, stripped 0 lelong 0x006400cc Linux/i386 demand-paged executable (QMAGIC) >16 lelong 0 \b, stripped # 0 string \007\001\000 Linux/i386 object file >20 lelong >0x1020 \b, DLL library # Linux-8086 stuff: 0 string \01\03\020\04 Linux-8086 impure executable >28 long !0 not stripped 0 string \01\03\040\04 Linux-8086 executable >28 long !0 not stripped # 0 string \243\206\001\0 Linux-8086 object file # 0 string \01\03\020\20 Minix-386 impure executable >28 long !0 not stripped 0 string \01\03\040\20 Minix-386 executable >28 long !0 not stripped # core dump file, from Bill Reynolds <bill@goshawk.lanl.gov> 216 lelong 0421 Linux/i386 core file >220 string >\0 of '%s' >200 lelong >0 (signal %d) # # LILO boot/chain loaders, from Daniel Quinlan <quinlan@yggdrasil.com> # this can be overridden by the DOS executable (COM) entry 2 string LILO Linux/i386 LILO boot/chain loader # # Debian Packages, from Peter Tobias <tobias@server.et-inf.fho-emden.de> 0 string 0.9 >8 byte 0x0a old Debian Binary Package >>3 byte >0 \b, created by dpkg 0.9%c >>4 byte >0 pl%c # PSF fonts, from H. Peter Anvin <hpa@yggdrasil.com> 0 leshort 0x0436 Linux/i386 PC Screen Font data, >2 byte 0 256 characters, no directory, >2 byte 1 512 characters, no directory, >2 byte 2 256 characters, Unicode directory, >2 byte 3 512 characters, Unicode directory, >3 byte >0 8x%d # Linux swap file, from Daniel Quinlan <quinlan@yggdrasil.com> 4086 string SWAP-SPACE Linux/i386 swap file # according to man page of mkswap (8) March 1999 4086 string SWAPSPACE2 Linux/i386 swap file (new style) # ECOFF magic for OSF/1 and Linux (only tested under Linux though) # # from Erik Troan (ewt@redhat.com) examining od dumps, so this # could be wrong # updated by David Mosberger (davidm@azstarnet.com) based on # GNU BFD and MIPS info found below. # 0 leshort 0x0183 ECOFF alpha >24 leshort 0407 executable >24 leshort 0410 pure >24 leshort 0413 demand paged >8 long >0 not stripped >8 long 0 stripped >23 leshort >0 - version %ld. # # Linux kernel boot images, from Albert Cahalan <acahalan@cs.uml.edu> # and others such as Axel Kohlmeyer <akohlmey@rincewind.chemie.uni-ulm.de> # and Nicolás Lichtmaier <nick@debian.org> # All known start with: b8 c0 07 8e d8 b8 00 90 8e c0 b9 00 01 29 f6 29 514 string HdrS Linux kernel >518 leshort >0 >>529 byte 0 zImage data, >>529 byte 1 bzImage data, >0x048c byte 0x31 >>0x048c string x version %s >0x0493 byte 0x31 >>0x0493 string x version %s >0x048c byte 0x32 >>0x048c string x version %s >0x0493 byte 0x32 >>0x0493 string x version %s >0x04df byte 0x32 >>0x04df string x version %s >0x04fb byte 0x32 >>0x04fb string x version %s # This also matches new kernels, which were caught above by "HdrS". 0 belong 0xb8c0078e Linux kernel >0x1e3 string Loading version 1.3.79 or older >0x1e9 string Loading from prehistoric times # LSM entries - Nicolás Lichtmaier <nick@feedback.net.ar> 0 string Begin3 Linux Software Map entry text ############################################################################ # Linux kernel versions 0 string \xb8\xc0\x07\x8e\xd8\xb8\x00\x90 Linux >497 leshort 0 x86 boot sector >>514 belong 0x8e of a kernel from the dawn of time! >>514 belong 0x908ed8b4 version 0.99-1.1.42 >>514 belong 0x908ed8b8 for memtest86 >497 leshort !0 x86 kernel >>504 leshort >0 RAMdisksize=%u KB >>502 leshort >0 swap=0x%X >>508 leshort >0 root=0x%X >>>498 leshort 1 \b-ro >>>498 leshort 0 \b-rw >>506 leshort 0xFFFF vga=normal >>506 leshort 0xFFFE vga=extended >>506 leshort 0xFFFD vga=ask >>506 leshort >0 vga=%d >>514 belong 0x908ed881 version 1.1.43-1.1.45 >>514 belong 0x15b281cd >>>0xa8e belong 0x55AA5a5a version 1.1.46-1.2.13,1.3.0 >>>0xa99 belong 0x55AA5a5a version 1.3.1,2 >>>0xaa3 belong 0x55AA5a5a version 1.3.3-1.3.30 >>>0xaa6 belong 0x55AA5a5a version 1.3.31-1.3.41 >>>0xb2b belong 0x55AA5a5a version 1.3.42-1.3.45 >>>0xaf7 belong 0x55AA5a5a version 1.3.46-1.3.72 >>514 string HdrS >>>518 leshort >0x1FF >>>>529 byte 0 \b, zImage >>>>529 byte 1 \b, bzImage >>>>(526.s+0x200) string >\0 \b, version %s # Linux boot sector thefts. 0 belong 0xb8c0078e Linux >0x1e6 belong 0x454c4b53 ELKS Kernel >0x1e6 belong !0x454c4b53 style boot sector ############################################################################ # Linux 8086 executable 0 lelong&0xFF0000FF 0xC30000E9 Linux-Dev86 executable, headerless >5 string . >>4 string >\0 \b, libc version %s 0 lelong&0xFF00FFFF 0x4000301 Linux-8086 executable >2 byte&0x01 !0 \b, unmapped zero page >2 byte&0x20 0 \b, impure >2 byte&0x20 !0 >>2 byte&0x10 !0 \b, A_EXEC >2 byte&0x02 !0 \b, A_PAL >2 byte&0x04 !0 \b, A_NSYM >2 byte&0x08 !0 \b, A_STAND >2 byte&0x40 !0 \b, A_PURE >2 byte&0x80 !0 \b, A_TOVLY >28 long !0 \b, not stripped >37 string . >>36 string >\0 \b, libc version %s # 0 lelong&0xFF00FFFF 0x10000301 ld86 I80386 executable # 0 lelong&0xFF00FFFF 0xB000301 ld86 M68K executable # 0 lelong&0xFF00FFFF 0xC000301 ld86 NS16K executable # 0 lelong&0xFF00FFFF 0x17000301 ld86 SPARC executable