YARA · Malpedia signator rules
MALPEDIA_Win_Hackbrowserdata_Auto
autogenerated rule brought to you by yara-signator
MalwareHackbrowserdataMalpedia 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: Hackbrowserdata.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-hackbrowserdata-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Hackbrowserdata_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "92ddeb6c-72b7-57ff-b845-90680cf5da41"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.hackbrowserdata"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.hackbrowserdata_auto.yar#L1-L134"
= "N/A"
= "3b3248f3d8d67a60a4cecec0e33cdc9a43a8ea275592fdb43271cadfd1931f98"
= 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 = { eb2f 488b842478010000 4c89c1 bf01000000 488d358dda9e00 e8???????? 488b942490010000 }
$sequence_1 = { eb9f 4889f0 4c89c1 e8???????? 0f1f00 e8???????? 4889d9 }
$sequence_2 = { eb51 488b9c2490010000 488b842488050000 4c89e2 4d89fc 4589cf 4488542447 }
$sequence_3 = { ff02 488b942440010000 418d5f01 8b12 4c8bbc24d8020000 4d85ff 0f854b020000 }
$sequence_4 = { ffd1 488b4c2438 48895928 833d????????00 7410 e8???????? 498903 }
$sequence_5 = { f20f1100 eb08 488b8c24a0000000 4889c8 488b5c2460 8b7c2440 4c8b442448 }
$sequence_6 = { f20f11442468 4c89842490000000 498b02 4889cb e8???????? 488b4c2440 488b942430010000 }
$sequence_7 = { eb80 895628 4889da 837a2802 7f64 488b5220 488db3b8020000 }
$sequence_8 = { ffd6 488b942468010000 48891a 833d????????00 7410 e8???????? 49890b }
$sequence_9 = { e8???????? 498903 4c8b44daf8 4d894308 ebad 48895c2440 4889542468 }
condition:
7 of them and filesize < 42451968
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { eb2f 488b842478010000 4c89c1 bf01000000 488d358dda9e00 e8???????? 488b942490010000 } | |
| $sequence_1 | hex | { eb9f 4889f0 4c89c1 e8???????? 0f1f00 e8???????? 4889d9 } | |
| $sequence_2 | hex | { eb51 488b9c2490010000 488b842488050000 4c89e2 4d89fc 4589cf 4488542447 } | |
| $sequence_3 | hex | { ff02 488b942440010000 418d5f01 8b12 4c8bbc24d8020000 4d85ff 0f854b020000 } | |
| $sequence_4 | hex | { ffd1 488b4c2438 48895928 833d????????00 7410 e8???????? 498903 } | |
| $sequence_5 | hex | { f20f1100 eb08 488b8c24a0000000 4889c8 488b5c2460 8b7c2440 4c8b442448 } | |
| $sequence_6 | hex | { f20f11442468 4c89842490000000 498b02 4889cb e8???????? 488b4c2440 488b942430010000 } | |
| $sequence_7 | hex | { eb80 895628 4889da 837a2802 7f64 488b5220 488db3b8020000 } | |
| $sequence_8 | hex | { ffd6 488b942468010000 48891a 833d????????00 7410 e8???????? 49890b } | |
| $sequence_9 | hex | { e8???????? 498903 4c8b44daf8 4d894308 ebad 48895c2440 4889542468 } |
Condition
7 of them and filesize < 42451968In plain words (Heuristic)
- The file must be smaller than 42451968 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
Test this rule in your browser
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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: 92ddeb6c-72b7-57ff-b845-90680cf5da41
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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