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Improve MoleBox packer detection. #815

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merged 4 commits into from
Jul 22, 2020
Merged

Improve MoleBox packer detection. #815

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bde4c0b
Add MoleBox 2.3.6 detection.
tamaroth Jul 16, 2020
b040c0e
Add MoleBox 4.2321 detection.
tamaroth Jul 20, 2020
c112baf
Add a generic MoleBox detections.
tamaroth Jul 16, 2020
d5cf711
Remove redundant BitArts detection.
tamaroth Jul 20, 2020
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57 changes: 46 additions & 11 deletions support/yara_patterns/tools/pe/x86/packers.yara
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Original file line number Diff line number Diff line change
Expand Up @@ -3741,17 +3741,6 @@ rule beroexepacker_uv_01 {
beroexepacker_uv_prologue and 1 of them
}

rule bitarts {
meta:
tool = "P"
name = "BITARTS"
pattern = "55E8000000005D83ED068BC5556089AD????00002B85????00008985????000055BB????000003DD536467FF36000064678926000080BD????0000007509C685"
strings:
$1 = { 55 E8 00 00 00 00 5D 83 ED 06 8B C5 55 60 89 AD ?? ?? 00 00 2B 85 ?? ?? 00 00 89 85 ?? ?? 00 00 55 BB ?? ?? 00 00 03 DD 53 64 67 FF 36 00 00 64 67 89 26 00 00 80 BD ?? ?? 00 00 00 75 09 C6 85 }
condition:
$1 at pe.entry_point
}

rule blackenergy_ddos_bot_crypter {
meta:
tool = "P"
Expand Down Expand Up @@ -8388,6 +8377,28 @@ rule molebox_uv {
$1 at pe.entry_point
}

rule molebox_uv_01 {
meta:
tool = "P"
name = "MoleBox"
pattern = "558BEC6AFF6800000000680000000064A1000000005064892500000000"
strings:
$1 = { 55 8B EC 6A FF 68 00 00 00 00 68 00 00 00 00 64 A1 00 00 00 00 50 64 89 25 00 00 00 00 }
condition:
$1 at pe.entry_point
}

rule molebox_uv_02 {
meta:
tool = "P"
name = "MoleBox"
pattern = "584F4A554D414E4A"
strings:
$1 = { 58 4F 4A 55 4D 41 4E 4A }
condition:
$1 in (pe.overlay.offset .. pe.overlay.offset + pe.overlay.size)
}

rule molebox_20 {
meta:
tool = "P"
Expand Down Expand Up @@ -8424,6 +8435,18 @@ rule molebox_23x {
$1 at pe.entry_point
}

rule molebox_236 {
meta:
tool = "P"
name = "MoleBox"
version = "2.3.6"
pattern = "EB168B15????????FF328F05????????EB068F05????????B8????????833800742050"
strings:
$1 = { EB 16 8B 15 ?? ?? ?? ?? FF 32 8F 05 ?? ?? ?? ?? EB 06 8F 05 ?? ?? ?? ?? B8 ?? ?? ?? ?? 83 38 00 74 20 50 }
condition:
$1 at pe.entry_point
}

rule molebox_254 {
meta:
tool = "P"
Expand All @@ -8448,6 +8471,18 @@ rule molebox_pro_255 {
$1 at pe.entry_point
}

rule molebox_42321 {
meta:
tool = "P"
name = "MoleBox"
version = "4.2321"
pattern = "6A286870204000E8740200003?FF57FF15????????6681384D5A75"
strings:
$1 = { 6A 28 68 70 20 40 00 E8 74 02 00 00 3? FF 57 FF 15 ?? ?? ?? ?? 66 81 38 4D 5A }
condition:
$1 at pe.entry_point
}

rule molebox_pro_43018 {
meta:
tool = "P"
Expand Down