YARA · Malpedia signator rules
MALPEDIA_Win_Acidbox_Auto
autogenerated rule brought to you by yara-signator
MalwareAcidboxMalpedia 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: Acidbox.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-acidbox-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Acidbox_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "81297597-76c5-56db-bea0-d8ea81c9989d"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.acidbox"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.acidbox_auto.yar#L1-L128"
= "N/A"
= "8852c904fa63e0e82ec42c1326743df652cf248d5a9f4890e48ff6274af9d761"
= 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 = { 4883ec30 488bfa 33db 4885c9 7479 4885d2 7474 }
$sequence_1 = { c1e91f 03d1 6bc21a 442bc0 4488442420 410fbed8 458d6c2461 }
$sequence_2 = { 66c74424406e74 66c74424486c00 c644244264 c64424476c c7442437322e646c c74424336e656c33 66c74424306b65 }
$sequence_3 = { 7750 85d2 7413 8b477c 6644898c4788000000 ff477c ffca }
$sequence_4 = { 488908 48894108 498b00 488b4810 }
$sequence_5 = { 488b8898000000 c7413809000000 488b03 89a810010000 488b03 89b814010000 eb30 }
$sequence_6 = { 0f95c0 894a08 488bca 4189424c 488d82bc000000 }
$sequence_7 = { 488d4fff 4883f9fd 7709 488bcf ff15???????? 488b6c2460 }
$sequence_8 = { 44017328 897e4c c7430871000000 397b28 7418 488bce e8???????? }
$sequence_9 = { 395308 7708 41b9070a00a0 eb36 488d8e50010000 4c8bca 4c8bc3 }
condition:
7 of them and filesize < 589824
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 4883ec30 488bfa 33db 4885c9 7479 4885d2 7474 } | |
| $sequence_1 | hex | { c1e91f 03d1 6bc21a 442bc0 4488442420 410fbed8 458d6c2461 } | |
| $sequence_2 | hex | { 66c74424406e74 66c74424486c00 c644244264 c64424476c c7442437322e646c c74424336e656c33 66c74424306b65 } | |
| $sequence_3 | hex | { 7750 85d2 7413 8b477c 6644898c4788000000 ff477c ffca } | |
| $sequence_4 | hex | { 488908 48894108 498b00 488b4810 } | |
| $sequence_5 | hex | { 488b8898000000 c7413809000000 488b03 89a810010000 488b03 89b814010000 eb30 } | |
| $sequence_6 | hex | { 0f95c0 894a08 488bca 4189424c 488d82bc000000 } | |
| $sequence_7 | hex | { 488d4fff 4883f9fd 7709 488bcf ff15???????? 488b6c2460 } | |
| $sequence_8 | hex | { 44017328 897e4c c7430871000000 397b28 7418 488bce e8???????? } | |
| $sequence_9 | hex | { 395308 7708 41b9070a00a0 eb36 488d8e50010000 4c8bca 4c8bc3 } |
Condition
7 of them and filesize < 589824In plain words (Heuristic)
- The file must be smaller than 589824 (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: 81297597-76c5-56db-bea0-d8ea81c9989d
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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