Защита от хакеров корпоративных сетей

execve(“/usr/bin/cat”, 0x08047E50, 0x08047E5C) argc = 2

open(“/dev/zero”, O_RDONLY) = 3

mmap(0x00000000, 4096, PROT_READ|PROT_WRITE|PROT_EXEC,

MAP_PRIVATE, 3, 0) = 0xDFBE1000

xstat(2, “/usr/bin/cat”, 0x08047BCC) = 0

sysconfig(_CONFIG_PAGESIZE) = 4096

open(“/usr/lib/libc.so.1”, O_RDONLY) = 4

fxstat(2, 4, 0x08047A0C) = 0

mmap(0x00000000, 4096, PROT_READ|PROT_EXEC, MAP_PRIVATE, 4,

0) = 0xDFBDF000

mmap(0x00000000, 598016, PROT_READ|PROT_EXEC, MAP_PRIVATE,

4, 0) = 0xDFB4C000

mmap(0xDFBD6000, 24392, PROT_READ|PROT_WRITE|PROT_EXEC,

MAP_PRIVATE|MAP_FIXED, 4, 561152) = 0xDFBD6000

mmap(0xDFBDC000, 6356, PROT_READ|PROT_WRITE|PROT_EXEC,

MAP_PRIVATE|MAP_FIXED, 3, 0) = 0xDFBDC000

close(4) = 0

open(“/usr/lib/libdl.so.1”, O_RDONLY) = 4

fxstat(2, 4, 0x08047A0C) = 0

mmap(0xDFBDF000, 4096, PROT_READ|PROT_EXEC,

MAP_PRIVATE|MAP_FIXED, 4, 0) = 0xDFBDF000

close(4) = 0

close(3) = 0

sysi86(SI86FPHW, 0xDFBDD8C0, 0x08047E0C, 0xDFBFCEA0)

= 0x00000000

fstat64(1, 0x08047D80) = 0

open64(“test”, O_RDONLY) = 3

fstat64(3, 0x08047CF0) = 0

llseek(3, 0, SEEK_CUR) = 0

mmap64(0x00000000, 6, PROT_READ, MAP_SHARED, 3, 0)

= 0xDFB4A000

read(3, “ h”, 1) = 1

memcntl(0xDFB4A000, 6, MC_ADVISE, 0x0002, 0, 0) = 0

write(1, “ h e l l o\n”, 6) = 6

llseek(3, 6, SEEK_SET) = 6

munmap(0xDFB4A000, 6) = 0

llseek(3, 0, SEEK_CUR) = 6

close(3) = 0

close(1) = 0

llseek(0, 0, SEEK_CUR) = 296569

_exit(0)