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fact-depend
rules
Commits
4968f450
Unverified
Commit
4968f450
authored
Jan 21, 2018
by
unixfreaxjp
Committed by
GitHub
Jan 21, 2018
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Fixing github weird indents for MALW_Rebirth_Vulcan_ELF.yar
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MALW_Rebirth_Vulcan_ELF.yar
malware/MALW_Rebirth_Vulcan_ELF.yar
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malware/MALW_Rebirth_Vulcan_ELF.yar
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4968f450
...
...
@@ -5,12 +5,12 @@
private rule is__str_Rebirth_gen3 {
meta:
description = "Generic detection for Vulcan branch Rebirth or Katrina from Torlus nextgen"
reference = "https://imgur.com/a/SSKmu"
reference = "https://www.reddit.com/r/LinuxMalware/comments/7rprnx/vulcan_aka_linuxrebirth_or_katrina_variant_of/"
author = "unixfreaxjp"
org = "MalwareMustDie"
date = "2018-01-21"
description = "Generic detection for Vulcan branch Rebirth or Katrina from Torlus nextgen"
reference = "https://imgur.com/a/SSKmu"
reference = "https://www.reddit.com/r/LinuxMalware/comments/7rprnx/vulcan_aka_linuxrebirth_or_katrina_variant_of/"
author = "unixfreaxjp"
org = "MalwareMustDie"
date = "2018-01-21"
strings:
$str01 = "/usr/bin/python" fullword nocase wide ascii
$str02 = "nameserver 8.8.8.8\nnameserver 8.8.4.4\n" fullword nocase wide ascii
...
...
@@ -25,62 +25,62 @@ private rule is__str_Rebirth_gen3 {
private rule is__hex_Rebirth_gen3 {
meta:
author = "unixfreaxjp"
date = "2018-01-21"
author = "unixfreaxjp"
date = "2018-01-21"
strings:
$hex01 = { 0D C0 A0 E1 00 D8 2D E9 }
$hex02 = { 3C 1C 00 06 27 9C 97 98 }
$hex03 = { 94 21 EF 80 7C 08 02 A6 }
$hex04 = { E6 2F 22 4F 76 91 18 3F }
$hex05 = { 06 00 1C 3C 20 98 9C 27 }
$hex06 = { 55 89 E5 81 EC ?? 10 00 }
$hex07 = { 55 48 89 E5 48 81 EC 90 }
$hex08 = { 6F 67 69 6E 00 }
$hex01 = { 0D C0 A0 E1 00 D8 2D E9 }
$hex02 = { 3C 1C 00 06 27 9C 97 98 }
$hex03 = { 94 21 EF 80 7C 08 02 A6 }
$hex04 = { E6 2F 22 4F 76 91 18 3F }
$hex05 = { 06 00 1C 3C 20 98 9C 27 }
$hex06 = { 55 89 E5 81 EC ?? 10 00 }
$hex07 = { 55 48 89 E5 48 81 EC 90 }
$hex08 = { 6F 67 69 6E 00 }
condition:
2 of them
}
private rule is__bot_Rebirth_gen3 {
meta:
author = "unixfreaxjp"
date = "2018-01-21"
author = "unixfreaxjp"
date = "2018-01-21"
strings:
$bot01 = "MIRAITEST" fullword nocase wide ascii
$bot02 = "TELNETTEST" fullword nocase wide ascii
$bot03 = "UPDATE" fullword nocase wide ascii
$bot04 = "PHONE" fullword nocase wide ascii
$bot05 = "RANGE" fullword nocase wide ascii
$bot06 = "KILLATTK" fullword nocase wide ascii
$bot07 = "STD" fullword nocase wide ascii
$bot06 = "KILLATTK" fullword nocase wide ascii
$bot07 = "STD" fullword nocase wide ascii
$bot08 = "BCM" fullword nocase wide ascii
$bot09 = "NETIS" fullword nocase wide ascii
$bot10 = "FASTLOAD" fullword nocase wide ascii
$bot09 = "NETIS" fullword nocase wide ascii
$bot10 = "FASTLOAD" fullword nocase wide ascii
condition:
6 of them
}
private rule is__elf {
meta:
author = "@mmorenog,@yararules"
author = "@mmorenog,@yararules"
strings:
$header = { 7F 45 4C 46 }
$header = { 7F 45 4C 46 }
condition:
$header at 0
$header at 0
}
rule MALW_Rebirth_Vulcan_ELF {
meta:
description = "Detects Rebirth Vulcan variant a torlus NextGen MALW"
description = "Just adjust or omit below two strings for next version they code :) @unixfreaxjp"
date = "2018-01-21"
description = "Detects Rebirth Vulcan variant a torlus NextGen MALW"
description = "Just adjust or omit below two strings for next version they code :) @unixfreaxjp"
date = "2018-01-21"
strings:
$spec01 = "vulcan.sh" fullword nocase wide ascii
$spec02 = "Vulcan" fullword nocase wide ascii
$spec01 = "vulcan.sh" fullword nocase wide ascii
$spec02 = "Vulcan" fullword nocase wide ascii
condition:
all of them
and is__elf
and is__str_Rebirth_gen3
and is__hex_Rebirth_gen3
and is__bot_Rebirth_gen3
and filesize < 300KB
all of them
and is__elf
and is__str_Rebirth_gen3
and is__hex_Rebirth_gen3
and is__bot_Rebirth_gen3
and filesize < 300KB
}
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