YARA · Malpedia signator rules
MALPEDIA_Win_Unidentified_102_Auto
autogenerated rule brought to you by yara-signator
- Author
- Felix Bilstein - yara-signator at cocacoding dot com
- Date
- 2023-07-11
- Modified
- 2023-07-15
- Score / Quality
- 75 / 75
What this rule detects
autogenerated rule brought to you by yara-signator
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-unidentified-102-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_102_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "68f5ede2-e772-5b9c-86c7-72da7d6ddaff"
= "2023-07-11"
= "2023-07-15"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_102"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_102_auto.yar#L1-L130"
= "N/A"
= "7cf959abf8b06a75a101a66334f27ae5601df812c1ddb140fd9298ef735bb0dc"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20230705"
= "42d0574f4405bd7d2b154d321d345acb18834a41"
= "20230715"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { 6bd238 8b0c8d187b0410 88441129 8b0b 8bc1 c1f806 }
$sequence_1 = { 83c408 8bb5e8fdffff 8dbdd8fdffff 83bdecfdffff10 c745b000000000 0f43bdd8fdffff }
$sequence_2 = { 8bf3 6bf938 c1fe06 6a00 8b0cb5187b0410 ff740f24 }
$sequence_3 = { 894610 c7461407000000 668906 e9???????? 837f1410 8bcf 7202 }
$sequence_4 = { c785e4fbffff07000000 8d5102 668985d0fbffff 6690 668b01 83c102 6685c0 }
$sequence_5 = { 8d85e8e7ffff 68???????? 50 ff15???????? 83c410 8d8594e7ffff 50 }
$sequence_6 = { 0f1085b0fcffff 0f1100 8bc4 0f108590fcffff 51 0f1100 ff5228 }
$sequence_7 = { 83c408 8b95dcfeffff 83fa10 722f 8b8dc8feffff 42 8bc1 }
$sequence_8 = { 6a00 68???????? 6802000080 c785c8e7ffff3f000f00 ff15???????? 85c0 0f84ef000000 }
$sequence_9 = { 8d45f4 64a300000000 8965f0 8b4510 8b4d18 8b5d0c }
condition:
7 of them and filesize < 626688
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 6bd238 8b0c8d187b0410 88441129 8b0b 8bc1 c1f806 } | |
| $sequence_1 | hex | { 83c408 8bb5e8fdffff 8dbdd8fdffff 83bdecfdffff10 c745b000000000 0f43bdd8fdffff } | |
| $sequence_2 | hex | { 8bf3 6bf938 c1fe06 6a00 8b0cb5187b0410 ff740f24 } | |
| $sequence_3 | hex | { 894610 c7461407000000 668906 e9???????? 837f1410 8bcf 7202 } | |
| $sequence_4 | hex | { c785e4fbffff07000000 8d5102 668985d0fbffff 6690 668b01 83c102 6685c0 } | |
| $sequence_5 | hex | { 8d85e8e7ffff 68???????? 50 ff15???????? 83c410 8d8594e7ffff 50 } | |
| $sequence_6 | hex | { 0f1085b0fcffff 0f1100 8bc4 0f108590fcffff 51 0f1100 ff5228 } | |
| $sequence_7 | hex | { 83c408 8b95dcfeffff 83fa10 722f 8b8dc8feffff 42 8bc1 } | |
| $sequence_8 | hex | { 6a00 68???????? 6802000080 c785c8e7ffff3f000f00 ff15???????? 85c0 0f84ef000000 } | |
| $sequence_9 | hex | { 8d45f4 64a300000000 8965f0 8b4510 8b4d18 8b5d0c } |
Condition
7 of them and filesize < 626688In plain words (Heuristic)
- The file must be smaller than 626688 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
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Licence & attribution
Author: Felix Bilstein - yara-signator at cocacoding dot com
Source repository: Malpedia signator rules @ c901f97b7d
Licence: Creative Commons Attribution-ShareAlike 4.0 (repository licence)
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: 68f5ede2-e772-5b9c-86c7-72da7d6ddaff
Metadata
| version | 1 |
|---|---|
| tool | yara-signator v0.6.0 |
| signator_config | callsandjumps;datarefs;binvalue |
| malpedia_rule_date | 20230705 |
| malpedia_hash | 42d0574f4405bd7d2b154d321d345acb18834a41 |
| malpedia_version | 20230715 |
| malpedia_license | CC BY-SA 4.0 |
| malpedia_sharing | TLP:WHITE |
Tags:FILE
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