YARA · Malpedia signator rules
MALPEDIA_Win_Dusty_Hammock_Auto
autogenerated rule brought to you by yara-signator
MalwareDusty HammockMalpedia 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 / 75
What this rule detects
autogenerated rule brought to you by yara-signator
Associated malware family: Dusty Hammock.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-dusty-hammock-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Dusty_Hammock_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "97ea5be3-4101-5edc-852a-56fc7838f7b4"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.dusty_hammock"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.dusty_hammock_auto.yar#L1-L134"
= "N/A"
= "1bee63322ab76f5fb0667f02592a8f7af8ac3ef35979026a6082ad2da61ddae5"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { c745b8e04d4600 c745bc02000000 c745c800000000 89d9 89fa 8945d0 8d45d0 }
$sequence_1 = { f20f1086c0000000 f20f108ec8000000 83f803 8986ac000000 898628010000 f20f1186b0000000 f20f118eb8000000 }
$sequence_2 = { ba28000000 68???????? e8???????? 83c404 eb40 b9???????? c786b805000003000000 }
$sequence_3 = { e8???????? 8b18 832000 85db 0f840f010000 ff02 8d4b34 }
$sequence_4 = { c745ac01000000 c745b800000000 c745b004000000 c745b400000000 c745f0ffffffff e8???????? 55 }
$sequence_5 = { c786b805000002000000 8b411c 8b4920 6a58 68???????? 50 ff510c }
$sequence_6 = { e8???????? 59 5f 3d01000080 0f85320e0000 8b8648010000 8bbe44010000 }
$sequence_7 = { 8b4820 6a01 68???????? ff701c ff510c 83c40c 2401 }
$sequence_8 = { c745f002000000 8b45d0 8975ac c745f002000000 b9???????? ba16000000 8945b0 }
$sequence_9 = { 83ec28 83c50c 8d4d8c e8???????? 8d8d78ffffff e8???????? 837dd400 }
condition:
7 of them and filesize < 1051648
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { c745b8e04d4600 c745bc02000000 c745c800000000 89d9 89fa 8945d0 8d45d0 } | |
| $sequence_1 | hex | { f20f1086c0000000 f20f108ec8000000 83f803 8986ac000000 898628010000 f20f1186b0000000 f20f118eb8000000 } | |
| $sequence_2 | hex | { ba28000000 68???????? e8???????? 83c404 eb40 b9???????? c786b805000003000000 } | |
| $sequence_3 | hex | { e8???????? 8b18 832000 85db 0f840f010000 ff02 8d4b34 } | |
| $sequence_4 | hex | { c745ac01000000 c745b800000000 c745b004000000 c745b400000000 c745f0ffffffff e8???????? 55 } | |
| $sequence_5 | hex | { c786b805000002000000 8b411c 8b4920 6a58 68???????? 50 ff510c } | |
| $sequence_6 | hex | { e8???????? 59 5f 3d01000080 0f85320e0000 8b8648010000 8bbe44010000 } | |
| $sequence_7 | hex | { 8b4820 6a01 68???????? ff701c ff510c 83c40c 2401 } | |
| $sequence_8 | hex | { c745f002000000 8b45d0 8975ac c745f002000000 b9???????? ba16000000 8945b0 } | |
| $sequence_9 | hex | { 83ec28 83c50c 8d4d8c e8???????? 8d8d78ffffff e8???????? 837dd400 } |
Condition
7 of them and filesize < 1051648In plain words (Heuristic)
- The file must be smaller than 1051648 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
Test this rule in your browser
Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.
Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.
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: 97ea5be3-4101-5edc-852a-56fc7838f7b4
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
Related rules
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04