YARA · Malpedia signator rules
MALPEDIA_Win_Tidepool_Auto
autogenerated rule brought to you by yara-signator
MalwareTidepoolMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compiles with YARA-X
- Author
- Felix Bilstein - yara-signator at cocacoding dot com
- Date
- 2026-05-04
- Modified
- 2026-05-18
- Score / Quality
- 75 / 73
What this rule detects
autogenerated rule brought to you by yara-signator
Associated malware family: Tidepool.
It defines 29 patterns (0 text, 29 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-tidepool-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Tidepool_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "dd2e5f28-abfd-58a8-a2a8-ea28faa244be"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.tidepool"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.tidepool_auto.yar#L1-L262"
= "N/A"
= "aa178d415beb9c4997246c9f1636848425691dbac0fb28e937331daca515c23b"
= 75
= 73
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { 6a00 50 8b08 ff91a4000000 }
$sequence_1 = { 5b 8b8d00030000 33cd e8???????? 81c504030000 }
$sequence_2 = { 5e c20400 80790800 c701???????? 740e 8b4904 85c9 }
$sequence_3 = { e8???????? 83c404 8bc6 5e c20400 80790800 }
$sequence_4 = { 64890d00000000 59 5f 5e 5b 8b8d00030000 }
$sequence_5 = { 33db 53 6a02 8bf1 e8???????? }
$sequence_6 = { 51 83c006 50 6a02 }
$sequence_7 = { 2bc8 83e906 51 83c006 }
$sequence_8 = { e8???????? 83c40c 803d????????37 7518 68???????? }
$sequence_9 = { 6800000040 8d4500 50 ff15???????? }
$sequence_10 = { 8b08 ff91a4000000 8b4654 6a01 50 }
$sequence_11 = { 6810270000 ff15???????? 8b45ec 8b08 }
$sequence_12 = { 52 50 8b08 ff91f8000000 }
$sequence_13 = { 83ff14 7509 8b4654 50 }
$sequence_14 = { 740c 8b470c 83c604 833c0600 }
$sequence_15 = { 741d 6a00 68b80b0000 ffd3 }
$sequence_16 = { 8bf1 e8???????? 8b4654 6a00 50 }
$sequence_17 = { e8???????? 68???????? 68???????? 68???????? 8d4500 }
$sequence_18 = { 49 75f9 b8???????? b900000400 }
$sequence_19 = { 681f000200 56 68???????? 6801000080 }
$sequence_20 = { eb06 8b3d???????? 8d45fc 50 }
$sequence_21 = { 8d0c40 8d148500000000 89442414 894c2410 89542418 8b5500 }
$sequence_22 = { ff75ec ff15???????? 8b35???????? 6a04 }
$sequence_23 = { 8d85b8fcffff 89bdb8fcffff 50 ffd6 8d45e8 }
$sequence_24 = { ff15???????? 8d45a4 50 ffd6 8d55b4 }
$sequence_25 = { e8???????? 83c414 a3???????? ff35???????? 56 8b35???????? }
$sequence_26 = { 0f85d1000000 807c19ff20 8d4419ff 7504 802000 4b 57 }
$sequence_27 = { 741b ff75f8 e8???????? 84c0 59 }
$sequence_28 = { d1e1 51 50 ff75fc e8???????? 83c414 }
condition:
7 of them and filesize < 1998848
}
Strings (29 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 6a00 50 8b08 ff91a4000000 } | |
| $sequence_1 | hex | { 5b 8b8d00030000 33cd e8???????? 81c504030000 } | |
| $sequence_2 | hex | { 5e c20400 80790800 c701???????? 740e 8b4904 85c9 } | |
| $sequence_3 | hex | { e8???????? 83c404 8bc6 5e c20400 80790800 } | |
| $sequence_4 | hex | { 64890d00000000 59 5f 5e 5b 8b8d00030000 } | |
| $sequence_5 | hex | { 33db 53 6a02 8bf1 e8???????? } | |
| $sequence_6 | hex | { 51 83c006 50 6a02 } | |
| $sequence_7 | hex | { 2bc8 83e906 51 83c006 } | |
| $sequence_8 | hex | { e8???????? 83c40c 803d????????37 7518 68???????? } | |
| $sequence_9 | hex | { 6800000040 8d4500 50 ff15???????? } | |
| $sequence_10 | hex | { 8b08 ff91a4000000 8b4654 6a01 50 } | |
| $sequence_11 | hex | { 6810270000 ff15???????? 8b45ec 8b08 } | |
| $sequence_12 | hex | { 52 50 8b08 ff91f8000000 } | |
| $sequence_13 | hex | { 83ff14 7509 8b4654 50 } | |
| $sequence_14 | hex | { 740c 8b470c 83c604 833c0600 } | |
| $sequence_15 | hex | { 741d 6a00 68b80b0000 ffd3 } | |
| $sequence_16 | hex | { 8bf1 e8???????? 8b4654 6a00 50 } | |
| $sequence_17 | hex | { e8???????? 68???????? 68???????? 68???????? 8d4500 } | |
| $sequence_18 | hex | { 49 75f9 b8???????? b900000400 } | |
| $sequence_19 | hex | { 681f000200 56 68???????? 6801000080 } | |
| $sequence_20 | hex | { eb06 8b3d???????? 8d45fc 50 } | |
| $sequence_21 | hex | { 8d0c40 8d148500000000 89442414 894c2410 89542418 8b5500 } | |
| $sequence_22 | hex | { ff75ec ff15???????? 8b35???????? 6a04 } | |
| $sequence_23 | hex | { 8d85b8fcffff 89bdb8fcffff 50 ffd6 8d45e8 } | |
| $sequence_24 | hex | { ff15???????? 8d45a4 50 ffd6 8d55b4 } | |
| $sequence_25 | hex | { e8???????? 83c414 a3???????? ff35???????? 56 8b35???????? } | |
| $sequence_26 | hex | { 0f85d1000000 807c19ff20 8d4419ff 7504 802000 4b 57 } | |
| $sequence_27 | hex | { 741b ff75f8 e8???????? 84c0 59 } | |
| $sequence_28 | hex | { d1e1 51 50 ff75fc e8???????? 83c414 } |
Condition
7 of them and filesize < 1998848In plain words (Heuristic)
- The file must be smaller than 1998848 (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: dd2e5f28-abfd-58a8-a2a8-ea28faa244be
Metadata
| version | 1 |
|---|---|
| tool | yara-signator v0.6.0 |
| signator_config | callsandjumps;datarefs;binvalue |
| malpedia_rule_date | 20260422 |
| malpedia_hash | a182e35da64e6d71cb55f125c4d4225196523f14 |
| malpedia_version | 20260504 |
| malpedia_license | CC BY-SA 4.0 |
| malpedia_sharing | TLP:WHITE |
Tags:FILE
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