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Linux.Siggen.2005

Added to the Dr.Web virus database: 2019-07-17

Virus description added:

Technical Information

Malicious functions:
Launches itself as a daemon
Substitutes application name for:
  • e
Launches processes:
  • /proc/self/fd/3 #
  • sh -c rm -rf /var/tmp/.sniff_version
  • rm -rf /var/tmp/.sniff_version
  • sh -c rm -rf /var/tmp/.sniff
  • rm -rf /var/tmp/.sniff
  • sh -c rm -rf /var/tmp/.sniff_pid
  • rm -rf /var/tmp/.sniff_pid
  • /etc/syslogd.d online e
Performs operations with the file system:
Modifies file access rights:
  • /etc/syslogd.d
Creates folders:
  • /etc/sip
Creates symlinks:
  • /memfd:libcrypto.so.1.0.0
  • /memfd:libssl.so.1.0.0
  • /memfd:libpython2.7.so.1.0
  • /memfd:_locale
  • /memfd:strop
  • /memfd:_ctypes
  • /memfd:_struct
  • /memfd:select
  • /memfd:fcntl
  • /memfd:binascii
  • /memfd:cStringIO
  • /memfd:_io
  • /memfd:math
  • /memfd:_hashlib
  • /memfd:_random
  • /memfd:_collections
  • /memfd:operator
  • /memfd:itertools
  • /memfd:_heapq
  • /memfd:time
  • /memfd:_socket
  • /memfd:_functools
  • /memfd:_ssl
  • /memfd:zlib
  • /memfd:grp
  • /memfd:array
  • /memfd:_bisect
  • /memfd:_json
  • /memfd:Crypto!Cipher!_raw_ecb.so
  • /memfd:Crypto!Cipher!_raw_cbc.so
  • /memfd:Crypto!Cipher!_raw_cfb.so
  • /memfd:Crypto!Cipher!_raw_ofb.so
  • /memfd:Crypto!Cipher!_raw_ctr.so
  • /memfd:Crypto!Util!_strxor.so
  • /memfd:Crypto!Hash!_BLAKE2s.so
  • /memfd:Crypto!Hash!_SHA1.so
  • /memfd:Crypto!Hash!_SHA256.so
  • /memfd:Crypto!Hash!_MD5.so
  • /memfd:Crypto!Cipher!_Salsa20.so
  • /memfd:Crypto!Protocol!_scrypt.so
  • /memfd:Crypto!Util!_cpuid_c.so
  • /memfd:Crypto!Hash!_ghash_portable.so
  • /memfd:Crypto!Cipher!_raw_ocb.so
  • /memfd:Crypto!Cipher!_raw_aes.so
Creates or modifies files:
  • /memfd:libc.so.6 (deleted)
  • /etc/texmf.v
  • /etc/resolv.conf
  • /etc/texmf.p
  • /tmp/.hex_cache
  • /tmp/.hex_file.32
Deletes files:
  • /dev/shm/memfd:libcrypto.so.1.0.0
  • /dev/shm/memfd:libssl.so.1.0.0
  • /dev/shm/memfd:libpython2.7.so.1.0
  • /dev/shm/memfd:_locale
  • /dev/shm/memfd:strop
  • /dev/shm/memfd:_ctypes
  • /dev/shm/memfd:_struct
  • /dev/shm/memfd:select
  • /dev/shm/memfd:fcntl
  • /dev/shm/memfd:binascii
  • /dev/shm/memfd:cStringIO
  • /dev/shm/memfd:_io
  • /dev/shm/memfd:math
  • /dev/shm/memfd:_hashlib
  • /dev/shm/memfd:_random
  • /dev/shm/memfd:_collections
  • /dev/shm/memfd:operator
  • /dev/shm/memfd:itertools
  • /dev/shm/memfd:_heapq
  • /dev/shm/memfd:time
  • /dev/shm/memfd:_socket
  • /dev/shm/memfd:_functools
  • /dev/shm/memfd:_ssl
  • /dev/shm/memfd:zlib
  • /dev/shm/memfd:grp
  • /dev/shm/memfd:array
  • /dev/shm/memfd:_bisect
  • /dev/shm/memfd:_json
  • /dev/shm/memfd:Crypto!Cipher!_raw_ecb.so
  • /dev/shm/memfd:Crypto!Cipher!_raw_cbc.so
  • /dev/shm/memfd:Crypto!Cipher!_raw_cfb.so
  • /dev/shm/memfd:Crypto!Cipher!_raw_ofb.so
  • /dev/shm/memfd:Crypto!Cipher!_raw_ctr.so
  • /dev/shm/memfd:Crypto!Util!_strxor.so
  • /dev/shm/memfd:Crypto!Hash!_BLAKE2s.so
  • /dev/shm/memfd:Crypto!Hash!_SHA1.so
  • /dev/shm/memfd:Crypto!Hash!_SHA256.so
  • /dev/shm/memfd:Crypto!Hash!_MD5.so
  • /dev/shm/memfd:Crypto!Cipher!_Salsa20.so
  • /dev/shm/memfd:Crypto!Protocol!_scrypt.so
  • /dev/shm/memfd:Crypto!Util!_cpuid_c.so
  • /dev/shm/memfd:Crypto!Hash!_ghash_portable.so
  • /dev/shm/memfd:Crypto!Cipher!_raw_ocb.so
  • /dev/shm/memfd:Crypto!Cipher!_raw_aes.so
  • /var/tmp/.sniff_version
  • /var/tmp/.sniff
  • /var/tmp/.sniff_pid
  • /tmp/.hex_cache
Network activity:
Establishes connection:
  • <LOCAL_DNS_SERVER>
HTTP GET requests:
  • ip####.##m/json?fields=country
DNS ASK:
  • ip##pi.com
  • u.####jn4h5342.com
Other:
Collects RAM information

Curing recommendations


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