YARA · Malpedia signator rules
MALPEDIA_Win_Komprogo_Auto
autogenerated rule brought to you by yara-signator
MalwareKomprogoMalpedia 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: Komprogo.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-komprogo-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Komprogo_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "bdd9ee80-44ed-59fa-81f7-566a28a23a0f"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.komprogo"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.komprogo_auto.yar#L1-L131"
= "N/A"
= "29eccd352001ee2f12ca67ab71a52496adf722d1d26763c656f76672b863d7d6"
= 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 = { 83c404 84c0 7451 8d8e48720300 51 8d86d2cf0300 8bcf }
$sequence_1 = { 898e73450300 8996e7410100 8d8ef4380400 898eed410100 8d8e60f10300 898e30a30300 8d96ccb80300 }
$sequence_2 = { 8d96d8be0300 899644bf0300 8d8628bf0300 89864cbf0300 8d96606a0300 89966cbf0300 }
$sequence_3 = { 8986ef470000 8d8e90160400 898eab3e0200 89be389c0000 8d8e58700300 898e93480000 8d8e90e90300 }
$sequence_4 = { 8986e0d20100 8d86e15c0300 8986c6c70000 8d8eab880100 898ee8d20100 8d9683bd0100 }
$sequence_5 = { 89861cb60300 8d8e28640300 898ed4b50300 8d9610780300 899624e80300 8d86e4970300 8986a5080100 }
$sequence_6 = { 8986f8bc0200 8d8e57540300 8d86e0710300 898e78c50300 8b4df0 50 b809000000 }
$sequence_7 = { 898605090100 8d8ef85b0300 898e76ae0000 8d9694160400 8996d9d20000 8d8628700300 8986b6ae0000 }
$sequence_8 = { 8d86e0a50300 898666cc0200 8d866c770300 898658e80300 8d868c720300 50 b812000000 }
$sequence_9 = { 8d8ea8970300 898e5f510100 8d8e50720300 89be504b0300 898ea94d0000 8d8ef0380400 }
condition:
7 of them and filesize < 1045504
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 83c404 84c0 7451 8d8e48720300 51 8d86d2cf0300 8bcf } | |
| $sequence_1 | hex | { 898e73450300 8996e7410100 8d8ef4380400 898eed410100 8d8e60f10300 898e30a30300 8d96ccb80300 } | |
| $sequence_2 | hex | { 8d96d8be0300 899644bf0300 8d8628bf0300 89864cbf0300 8d96606a0300 89966cbf0300 } | |
| $sequence_3 | hex | { 8986ef470000 8d8e90160400 898eab3e0200 89be389c0000 8d8e58700300 898e93480000 8d8e90e90300 } | |
| $sequence_4 | hex | { 8986e0d20100 8d86e15c0300 8986c6c70000 8d8eab880100 898ee8d20100 8d9683bd0100 } | |
| $sequence_5 | hex | { 89861cb60300 8d8e28640300 898ed4b50300 8d9610780300 899624e80300 8d86e4970300 8986a5080100 } | |
| $sequence_6 | hex | { 8986f8bc0200 8d8e57540300 8d86e0710300 898e78c50300 8b4df0 50 b809000000 } | |
| $sequence_7 | hex | { 898605090100 8d8ef85b0300 898e76ae0000 8d9694160400 8996d9d20000 8d8628700300 8986b6ae0000 } | |
| $sequence_8 | hex | { 8d86e0a50300 898666cc0200 8d866c770300 898658e80300 8d868c720300 50 b812000000 } | |
| $sequence_9 | hex | { 8d8ea8970300 898e5f510100 8d8e50720300 89be504b0300 898ea94d0000 8d8ef0380400 } |
Condition
7 of them and filesize < 1045504In plain words (Heuristic)
- The file must be smaller than 1045504 (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: bdd9ee80-44ed-59fa-81f7-566a28a23a0f
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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